U.S healthcare exam 3 Flashcards

1
Q

for Germany

  • what is mandatory
  • is the health insurance public or private
  • does the government mandate insurance, does employment provide it

how much does each employee get?

A

Mandatory sickness funds

Predominantly private

Government-mandated, employment-based private insurance
7.3% is employer responsibility; 7.3% withheld from pay; equals 14.6% for each employee

2009-government run health fund distributes health funds based on risk adjustment

Not allowed to exclude, or raise rates according to age or medical condition- which would be experiential rating

Remain in fund if ill, retired, lose job
Higher income can select private insurance

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2
Q

Germany
what kinds of appointments are common

how can you see a specialist?

how many generalists are there

what is there little coordination between

the patient receives no bill for what

A

Appointments with Primary Care is common

Allowed to make appointments with specialists without a referral

Over 40% of physicians are generalists

Little coordination between hospitalists and generalists

Appointments, labs, prescriptions, hospitalization=No bill to the patient

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3
Q

Germany

who. does a primary physician bill

how often are physicians reviewed?

how often are hospitalists billed

A

Primary physician  Bills regional Association of Physicians

1986- began to cap spending- Rationing

Physicians are reviewed quarterly, with each quarter affecting the following quarter

Hospitalists are billed upon Episode- Based funding or Bundle payment

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4
Q

Germany cost control
what are the parts of concerted action?

what does it control

despite the best healthcare effort, what still continues to rise

A

Concerted Action
- Guideline Fees
- Hospital Rates
- Pharmaceuticals

Controls physician fees, capping physician fees

Throughout time still Germany has Gross Domestic Product (GDP) that has been rising since 1990

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5
Q

Canada
to get health insurance what must you show

for the Hospital Insurance Act who is and who is not covered

when was universal medical insurance made available

how is health care system financed

is it attached to employment

how does everyone contribute to health care

who gets no bill

what does private insurance allow for

A

Health insurance: show provincial government card

Hospital Insurance Act: Hospital coverage but no MD coverage

Universal medical insurance 1966

Tax financed, public, single-payer health care system

Funded with provincial and federal tax revenues

Not attached to employment at all

Everyone contributes through taxes-everyone benefits

No bill if part of provincial health service

Private insurance allowed for gaps: some pharmaceutical coverage or private hospital rooms

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6
Q

Canada

who refers to a specialist?

what happens to specialists who receive a referral

what is waiting like for elective procedures

what happens per capita

what still remains despite everyone being covered

A

Family physician  referral to specialist

Specialists get paid best if referred

Longer waiting for elective procedures

Less services per capita than US for example: MRIs and surgery

Despite everyone being covered, inequities still happen

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7
Q

Canada
who does physician bill

how are they paid in full

who can the physician not bill and what must they agree with

what kinds of methods are used

what is the rate of the hospital services and hwy

what di hospitals not need to do

A

Physician bills provincial government

Paid in full according to fee schedule

Physicians must agree with payment, cannot bill patient

methods:
- Blended models

  • Fee-for-service
  • Capitation

Hospital services slow - not enough money to pay extra

Hospitals do not need to prepare itemized bills

Approval process for capital projects of hospitals

Regulation of pharmaceutical prices

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8
Q

what is the difference between Canada vs. US

A

Canada vs. US
Less administrative costs
Less expensive high tech costs
Lower pharmaceutical prices

Caps on payment (Similar to Germany)

Changes in 2010 due to lack of confidence

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9
Q

UK
what entitles you to healthcare

what is the NHS

what can compete with NHS

how many buy health insurance

who can pay for private hospitals

A

Being on the “soil” entitled to receive tax supported medical care through NHS –National Health Service

Private health insurance can compete with NHS

11% buy private health insurance

Private insurance can pay for care of private hospitals not NHS facilities

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10
Q

Britain
what do you need to see a specialist

what must you have

what does your GP act as

where are the GPs

how is home health care

A

NHS – need referral to specialist

Must have general practitioner

GP is primary care, local hospital is secondary care, regional/national hospitals is tertiary care

GPs not in hospitals, but with social services

Home care is highly developed in UK, doctors home visits

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11
Q

UK

what does home health care warrant

how does a doctor see their patient

what do consultants equal

what is awarded

A

Capitation for MD & Preventive care fee for service

Home visits, nights and weekends, fee for service

Consultants = Specialists

Quality is awarded

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12
Q

UK
what is lengthened

what is limited

what are there fewer of

how do they view technology?

A

Queues lengthened

Capitation and salary for physicians

Limited consultant slots- controls supply of personnel and facilities

Fewer surgeons

Fewer meds

Fewer x-rays

More skeptical of new technology than US

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13
Q

Japan
what must large companies provide

what health insurance do smaller companies have

what health insurance do self employed and retirees have

what health insurance do government workers have

what do they all have

what is the insurance a mix of

A

Large companies- required to operate self-insured plan for employees and dependents

Smaller companies-single national health insurance plan

Self-employed workers and Retirees- National Health Insurance or Citizen’s Health Insurance

Government workers- society managed insurance

All have standard comprehensive coverage

Mix of employment-based insurance, social insurance, universal insurance

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14
Q

Japan
are there pre-authorizations

are there restrictions

are there more hospitalizations

is there more surgery

how long are their hospital stays

A

No pre-authorizations
No restrictions
Less hospitalizations
Less surgery
Longer hospital stays

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15
Q

Japan
what is the basis

how are hospitals paid in 2003

what does government strictly regulate

what volume do physicians see their patients

what is the average amount of physician visits

who many times have physicians see their patients

what can physicians do for meds

what do patients also see physicians for

A

Fee-for service was the basis

2003 hospitals paid per diagnosis, physicians still paid fee-for-service

Government strictly regulates physician fees, hospital payments, medication pricing, number of expensive services

Physicians have high volume of seeing patients

Average physician visits: 13 per capita in Japan versus 4 per capita in US

Physicians may see 60 patients in a day

Physicians can dispense medications and profit from medications dispensed

Some patients see physicians just for refills

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16
Q

Japan
how is the GDP looking

what does health care system rely on

what is problematic for this structure

are the elderly decreasing and at what rate

how about for the U.S how is the elderly pop. looking

how are costs contained

A

GDP increasing 7.7% in 2000 to 10.3% in 2012

Healthcare system relies greatly on employer taxes

Low birth rate and longer life expectancy is problematic for this structure

Japan estimated 65 and older population is projected to increase from 12% 1990 to 39% in 2050

US 65 and older population also growing but not as quickly from 13% in 1990 to 21% in 2050

Costs are contained with strict fee schedules but may not be able to sustain
with older facilities and potential underfunding of the healthcare system

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17
Q

Benefit Package:

A

the additional perks and benefits a company provides to its employees in addition to the employee’s base wage or salary

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18
Q

Patient Cost Sharing:

A

The share of costs covered by your insurance that you pay out of your own pocket.

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19
Q

Effects on existing health care coverage

A
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20
Q

Cost Containment:

A

a process of judiciously reducing costs in a business or limiting them to a constant level

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21
Q

Reform Health Care Delivery:

A

a process of change involving the what, who, and how of health sector action

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22
Q

which label is best for patients and why

A

second one is better for reading and understanding

Spacing, information being available, name is easily found, directions is higher up

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23
Q

what do patients like and don’t like

A

like:
color, bolding, large font
white space
what drug is for
The most important info on top
name of medicine
prescriber name

don’t like
info for pharmacists
confusing dates
addresses
clutter
unclear directions (twice daily)
all capital letters

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24
Q

Health Literacy

Word Choice

A

What info they can use to understand their own health

Things related to them to help them decide their health

Numeracy is saying, I’m going away and how much do I need, when is my next refill

Take medicine is different than. Give, give for giving to child so parent should not take It

Take once in morning and at night is different than Twice a day so that the first one is better

Can be very important

Can be difficult for people to understand

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25
Q

Health Literacy and Numeracy

A

From 2013

Majority of people are below the proficient level of understanding their health and health brochures

Try to get convo. To 5th grade level, fewer syllables is better

Break things down for folks

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26
Q

Patient Literacy Assessment Tools

A

Zone in one this

Use to assess someone’s ability to understand material

Look at these tests

How many grams of total carbs are in ½ cups: 13g

Have to teach people these things cause not everyone can do these word problems

Things to know to counsel patient
Health literacy tools

make sure student can say these words and you will see how literate they are based on the words they say

Is kidney more associated to urine or fever?

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27
Q

Health Literacy Readability Assessment Tools

A

SMOG (“Simple Measure of Gobbledygook”) Readability Test

Fry Readability Test

Flesch-Kincaid Grade Level Readability Formula

SAM (Suitability Assessment of Materials)

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28
Q

SMOG Conversion Chart

A

For looking at a booklet

Take 30 sentences and see how many words have 3 or syllables

Put hand on chin, every time your jaw drops then it is a syllable

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29
Q

Fry Graph

what does it show you

how does it do it

what do you want on in a pamphlet

more syllables equals what

what do we want for sentences

A

Average # of sentences and average # of syllables per 100 words

Section 100 words and how many sentences are made for 100 words

Least amount of sentences

More syllables = more difficult for person to read

Want short sentences and fewer syllables

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30
Q

how to do Flesch-Kinaid assessment

A

word
file
options
show readability stats

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31
Q

Making a Difference

how can you fix the label

where do we need to improve labeling

A

Label is not easy to see

Patient centered labelling

We need to improve labelling of OTC

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32
Q

Health Literacy and drug coverage

what do people not tend to understand

can a lot of people figure out cost of hospitalization

what must we make sure a patient knows

what can “take 1 tablet every day” mean

when is the best time to take statin

what must pharmacists be in order for there to be better outcomes

Rx label instructions

A

Ppl did not understand their health insurance

Only 11% of people could figure out the cost of hospitalization

Make sure that we know if the patient understands the med

Take 1 tablet every day- can take it anytime

Best time to take statin - at night time because cholesterol is made at night so you take at night to reduce how much is made in the body

Tell them when to take it

Be more specific for better outcomes

Based on Rx directions, effects health outcomes

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33
Q

Four Major Actors in Conflicts, Change, Tensions, and Challenges

who are they

how do they relate to each other

A

Purchasers supply the funds

Insurers receive the funds, pay providers

Providers provide the care, all health care providers

Suppliers provide the treatments and supplies to providers

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34
Q

who makes up the healthcare industry

what was this like in the past

what is it like now and is there a discrepancy

A

Insurers, providers, and suppliers make up the healthcare industry.

Previously:
- Gain for health industry  Thought of as an investment in economics of the nation

Now:
- Too much to pay, purchasers want to reduce the amount spent while health care wants the number to increase

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35
Q

Provider-Insurance Pact 1945-1970

who formed the alliance of insurers and providers and was their competition

who decided on payment provisions of medicare & medicare

who had the upper hand in negotiating generous payments

who paid without much question

who paid for insurance and recieved tax benefits

were there complaints

what was growing and was profitable

who is able to pay for benefits

who was charged for new facilities and construction?

who is benefitting

A

Alliance of insurers and providers
Many independent hospitals
Lack of competition

Hospitals and insurers decided payment provisions of Medicare and Medicaid
Providers had the “upper hand” in negotiating generous payments
Insurers paid without much question

Employers paying for insurance and receiving tax benefits; no real complaints of increased costs
Businesses growing and profitable
Able to pay for benefits
Hospitals even charged for facilities and new construction

who benefits: purchasers, insurers, providers, suppliers

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36
Q

Perception of 1970s

what decreases

what does this result in

what becomes a rising concern in healthcare

what is the result

when does regulation begin

what is the result

who begins utilization reviews

who benefits

A

US share of world industrial production decreasing from 60% in 1950 to 30% in 1980
- Lower profits
- Purchase cash flow decreased
- Inflation and unemployment on the rise

New economic reality of less money for individuals and companies, becomes increased concern for the rising costs of health care
- Hospitals being regulated for new construction
- Government begins health planning agencies

Regulation begins after Blue Cross increase of premiums 25% to 50% in a single year
Utilization reviews begin by insurers
- Provider-insurer tensions rise
- Insurance-provider pact unravels-Blue Cross separates from the AHA

insurers benefits

purchasers and suppliers do not benefit

providers benefit only half way

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37
Q

Coverage Landscape Changes-1990’s

what does the plan become specific to

what do employers shop around for

what do providers lose and why

what power do purchasers have and what was the result

who benefts

A

Plan become very specific as to where and from whom care can be provided and covered

Employers shop around more for insurers

Providers would lose contracts due to poor rates and unwillingness of insurers to negotiate

Purchasers had some negotiating power with HMOs and saw a drop in premium growth in the earlier 1990’s

providers do not benefit

purchasers benefit

insurers benefit only 50%

suppliers remain steady

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38
Q

1980’s Purchasers Pay Attention

what result did the Costs increase for employer-sponsored health plans result in

what did the Business more attentive to costs and health care issues result in

what rose and who was droped from plans

what did the Selective contracting of purchasers = In-network and Out-of-Network result in

what is tighter controlled

who benefits

A

Costs increase for employer-sponsored health plans
By 1989 =20.4% of business expenses (it was a fraction of the cost from1945-1970)
Almost a double increase (from 5% to 9%) of payroll spent on health care benefits

Business more attentive to costs and health care issues
Large companies start self-insurance
More companies use managed care options such as HMOs as cost-control
Individuals and labor unions see shift of costs to them; complain of health care costs

Rising premiums and policy cancellations for those with chronic illnesses become media headlines

Selective contracting of purchasers = In-network and Out-of-Network
Insurers choose providers to contract with (those that provide cost containment)
Shift from fee for service to capitated reimbursement-causes providers to cost-control as well

Medicare payments are tighter controlled and Medicaid is scaled back

insurers, purchasers and suppliers dod not benefit at all but suppliers remain steady

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39
Q

what did the Counter-revolution by providers/Consolidation in health care market result in

what did the Growing power of specialists and specialty services
result in

who benefits

A

Counter-revolution by providers/Consolidation in health care market
Provider and insurance negotiations are intense
Costs accelerate especially for the individual employee-Premiums and deductibles rise 34%
Large HMOs emerge due to buy-outs and consolidation

Growing power of specialists and specialty services
For-profit services, physician owned imaging facilities
Specialist physician groups grow and negotiate for higher payment rates from insurers
Ambulatory centers for day surgery and clinics grew and are physician owned
Hospitalists are a growing specialty

purchasers and insurers benefit

providers and suppliers do not benefit

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40
Q

Pharmaceutical industry criticisms

in 1988, how much of the national health expenses was Rx vs how much in 2009

what happens after that and what did the insurances challenge the pharmaceutical companies to begin

how much did Most profitable companies earn

were there regulations to regulate prices

what tactics were used to continue market share and what act was this

what were the generic manufacturers doing

what was evergreened

what is Pharmacy Benefit Managers (PBM) part of and responsible for what

who benefits

A

Pharmaceutical industry criticisms
- 1988 Rx was 5.5% of national health expenses versus in 2009 10.1

  • Shift of insurance coverage of Rxs occur; Insurances take notice and begin to challenge pharmaceutical costs; Tiers begin
  • Most profitable companies: earning 20% of revenues compared to other Fortune 500 companies that earn 5% of revenues
  • No regulations by the government to regulate prices
  • Brand to generic tactics to continue market share-Hatch-Waxman Act
  • Generic manufacturers are consolidating driving up generic costs
  • “Evergreening”- Immediate release vs extended release – Rx to OTC

Pharmacy Benefit Managers (PBM)
–Part of the supply chain and responsible for formularies

suppliers benefit

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41
Q

Primary Care Shifts

what method of payment do primary care practices look for

what is payment for

patient-oriented care, is it rising or declining

what is forming

A

Primary care practices looking at capitation versus fee-for-service

 Choosing Wisely campaign spotlights overuse of health care 
               http://www.choosingwisely.org/patient-resources/     

 Payment for value versus volume

 Patient-Oriented care on the rise

 Primary care teams are forming
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42
Q

Suppliers The Perfect Health Care System

is it realistic

what are the important factors of health care systems

A

Noble aspirations but most likely impossible to attain 100%

Important factors of health care system:
Improve health
Control costs
Prioritize allocation of resources
Enhance quality of care
Distribute services fairly

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43
Q

Blurring of the Actors

A

Insurers acquiring Providers: UnitedHealthcare acquired DaVita Medical Group

Providers acquiring Insurers: CVS merging with Aetna

Providers acquiring Suppliers: CVS merging with Caremark

Insurers acquiring Suppliers: Cigna merging with ExpressScripts

Companies moving into health care: Amazon

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44
Q

Many conditions have increased during the pandemic.

what are Additional Barriers to Care

A

Travel costs and arrangements

Childcare

Time off work

Therapy costs and insurance coverage

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45
Q

HEALTHCARE IS CHANGING

what have patients adopted

where is the center of health

do providers meet patients now

A

Patients have adopted a consumer mentality towards engaging in their health seeking to meet their needs on demand.

Home as the center of health is a quickly growing area of focus in medicine including the ‘Hospital at Home’ model

Meeting patients where they are at is a growing healthcare business structure across multiple care modalities.

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46
Q

Why Digitalize Healthcare?

what issues can they help address the following issues:

A

Digital tools are giving providers a more holistic view of patient health through access to data and giving patients more control over their health. Digital health offers real opportunities to improve medical outcomes and enhance efficiency.

Reduce inefficiencies

Improve access

Reduce costs

Increase quality

Make medicine more personalized for patients.

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47
Q

how many physicians and federal acute care hospitals (96%) adopted a certfied EHR

A

As of 2021, nearly 4 in 5 office-based physicians (78%) and nearly all non-federal acute care hospitals (96%) adopted a certified EHR. This marks substantial 10-year progress since 2011 when 28% of hospitals and 34% of physicians had adopted an EHR.

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48
Q

what can you do during. TELEHEALTH

talk to who

message who

A

Telehealth — sometimes called telemedicine — lets your health care provider care for you without an in-person office visit. Telehealth is done primarily online with internet access on your computer, tablet, or smartphone.

Talk to your health care provider live over the phone or video chat.

Send and receive messages from your health care provider using secure messaging, email, and secure file exchange.

Majority of payers cover telehealth services for members
Expansion of services available pre-pandemic
Mental and psychological health over state lines

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49
Q

Remote Patient Monitoring (RPM)

what do devices monitor

what does CPT do

what can RPM be used for

what do some patients need

what are some disease states that it monitors

A

Devices monitor physiological data from patients

CPT codes for setting up and monitoring data available from CMS

RPM can be used for many conditions that require physiological data indicative of disease management

Some patients will need in-person testing, diagnostics, or monitoring. This depends on their condition, Internet capabilities, or personal preferences and abilities.

But there are many ways that remote patient monitoring can help with chronic conditions, pregnancy complications, and short-term illness.

High blood pressure
Diabetes
Weight loss or gain
Heart conditions
Chronic obstructive pulmonary disease
Sleep apnea
Asthma

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50
Q

what is Remote Therapeutic Monitoring (RTM)

what does it cover

A

Combination of technology like RPM devices and disease management for therapeutic outcomes

This can include medication adherence and physiological data
Interventions can include education and coaching

Currently, CMS covers pulmonary and musculoskeletal conditions

CPT code 98976 - RTM (e.g., respiratory system status, musculoskeletal system status, therapy adherence, therapy response); device(s) supply with scheduled (e.g., daily) recording(s) and/or programmed alert(s) transmission to monitor respiratory system, each 30 days.

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51
Q

DIGITALIZATION OF DEVICES

what does the Integration of health devices do

what is also integrated

what are the ongoing issues

A

Integration of health devices into the ‘Internet of Things (IoT) landscape

approaches include:
Integration of Bluetooth to tether to an external device (e.g., smartphone or peripheral)

Mobile app integration for data collection and user engagement
Enabled the movement towards:
Remote Patient Monitoring (RPM)
Remote Therapeutic Monitoring (RTM)

Ongoing Issues:
Accuracy, data interoperability, coverage, patient education, user adherence

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52
Q

RISE OF CGM

what does it result in fewer of

what is the accepted use for

what are the limitations

A

Increased desire amongst PwD to utilize CGM over other BGM interventions due to fewer finger pricks and convenience

Visually impaired patients have benefited from easier BGM

Digital affinity closely related towards acceptance of the use of CGM technologies
- This is likely to increase over time with digital natives

Increased recommendation of CGM use in clinical practice guidelines influencing clinician behavior

Limitations still present:
Cost barriers
Clinician and patient buy-in
Technology barriers

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53
Q

what is the center of healthcare or the ____ at ____ model

A

hospital at-home model

home is the center of care

ER/provoder identificaton of patient identification of valid patient

conditions of defined treatment protocols
- HF, COPD, CAP, cellulitis

patient home is within hospital range to provide emergent care

home must have space and fit patient needs - food, heat/cooling, water

health staff visit patients in the home (ex. respiratory therapist, nursing)- kinda like UK!

tests conducted in the patient home and therapy (ex. medications) given as well

RPM will play a significant role

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54
Q

Why is PH Controversial?

A

19th century public health closely tied to social reform movements: campaigns for improved housing, trade unions, abolition of child labor, child and maternal health
Public Health viewed as a broad social movement
Winslow’s 80 yr old definition: the role of PH is the development of the social machinery to ensure every individual in the community a standard of living adequate for maintenance of health.

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55
Q

Why is PH Controversial?
Contrasting views that direct the production and equitable distribution of scarce health care resources

A

Distribution of benefits/burdens and responsibilities within a society

Free market vs government responsible for allocation and delivery of resources

Health care access a right vs ability to pay

Health care an individual vs collective responsibility

Role of PH in society, broad and expansive vs restrictive

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56
Q

Social Justice in PH

A

Health is a collective responsibility
Emphasizes community well-being
Views health care as a social resource
Allocation and delivery of health care resources governed by need
Minimum levels of income, housing, employment, education and health care are fundamental rights
PH closely tied to social reform movements (public hygiene, improved housing, abolition of child labor, maternal and child health, trade unions

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57
Q

Social Justice in PH
what two things does it emphasize

what is it a strong obligation to

is access to healthcare universal or limited

what does it propose

A

Emphasizes collective responsibility for health

Emphasized community well-being

Strong obligation to the collective good

Access to health care universal

Proposes public solutions to social problems (drug abuse, homelessness, violence)

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58
Q

Market Justice. in PH

A

Health is an individual responsibility
Emphasis on individual well-being
Views health care as an economic good
Allocation and delivery of health care resources governed by demand
Powerful forces of environment, heredity, social structure prevent equitable distribution of the burdens and benefits of PH

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59
Q

Market Justice in PH

what does PH aim to control

who encourages it

what does it limit

how is medical care distributed

A

PH is an enterprise focused on controlling communicable disease or as a safety net that provides medical care to the indigent

Encouraged by MD’s

Limits federal health funding to programs run by local health departments

Medical care distribution based on the ability to pay

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60
Q

Market Justice access to medical care

how is access to medical care viewed

what is the role of the government and public health

A

Access to medical care is viewed as an economic reward for personal effort and achievement

Role of government and public health
- Restricted, narrow
- Limited to a technical enterprise

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61
Q

Sources of Controversy

A

Economic impact
Individual liberty
Moral and religious concerns/values
Political interference with science

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62
Q

Economic Impact in PH

A

PH measures may have negative impact on segment of population or industry
Those paying for PH measures may not benefit from those measures
Costs are measurable/benefits are often not
Costs may be short-term while benefits may not be immediately seen
Example of a PH initiative with significant economic impact? Discuss in groups of 3 to 4.

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63
Q

Economic Impact industries

A

Tobacco industry: product labeling, bans on smoking in public places, restaurants

Lumber industry: regulations cost jobs to preserve a long term stable climate

Standing orders for Narcan in community pharmacies: high cost to insurance companies

Mandatory immunizations

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64
Q

Individual Liberty in PH

what is the role of the gov’t in this

what are restrictions on

what may the restrictions benefit

A

To what extent can and should the government restrict
individual freedom for the purpose of improving the community’s health

Restrictions on behaviors that may cause direct or indirect harm to others

Restrictions may benefit the individual or the community

Example of PH initiative affecting individual liberty?

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65
Q

Individual Liberty
what do people have a say in

A

Seat belts
Bike helmets
Extra large soft drinks
Removal of vending machines in public areas
Additional driving tests for elderly
Mandatory health screenings
Mandatory immunizations

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66
Q

Moral and Religious Concerns in PH

what do some PH initiatives do

are discussion of PH issues always comfortable to have

how may some religions react to PH initiatives

A

Some PH initiatives provoke moral or religious objection

Discussion of some PH issues are offensive or
embarrassing to discuss (sex and reproduction, alcohol and drug addiction, suicide and end of life decisions)

Can the government determine and enforce moral behavior?

Some religions may prohibit some common PH initiatives (birth control, immunizations)

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67
Q

Politics vs. Science

A

Presidential administrations criticized for misrepresenting and/or distorting scientific information and evidence to support its policies and political agenda
Examples:
Bush admin pressured CDC to promote abstinence only programs for preventing teen pregnancy
Promoted condom failure rates rather than place in prevention of spread of AIDS and other STD’s
Prevented publication of research on agriculture affect on antibiotic drug resistance
Handling of the AIDS crisis
Handling of drug/alcohol addiction crisis

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68
Q

Health Statistics in PH

how do PH workers monitor health of a community

what does health statistics deal with

A

Public health workers monitor the health of a community by collecting and analyzing health data

Health statistics
- Identify special risk groups
- Detect new health threats
- Determine success of disease state management
- Help plan and evaluate success of public health programs
- Are considered when preparing government budgets

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69
Q

Health Statistics for research

A

Provide raw data for research on
Epidemiology
Environmental health
Social and behavioral factors in health
The health care system

Essential for the Assessment Function in public health

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70
Q

NCHS

what does it stand for

what does it do

what is it a part of

how many ways does it collect data and what does it do

A

National Center for Health Statistics

Primary agency that collects, analyzes and reports data on the health of Americans

Part of the CDC

Collects data in two ways
- States and local agencies periodically transmit data they have compiled from local records: vital stats, births and deaths
- Conducts periodic surveys of representative samples of the population on health status, lifestyle, health-related behaviors, onset and diagnosis of illness and disability, use of health care resources

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71
Q

Vital Statistics

A

Births and deaths are the most basic and reliable and complete data set
Causes of death subject to uncertainties
Utilize birth and death certificates
Vital Statistics also include information on marriage, divorce, spontaneous fetal deaths and abortions
The state health department is generally responsible for collecting these reports and transmitting them periodically to the NCHS

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72
Q

Birth Certificates

who supplies info about baby

who supplies medical and health info

A

Mother supplies information about the baby’s family (names, address, ages, race, ethnicity, education level)

Medical and health information supplied by hospital, doctor, birth attendant (prenatal care, birth weight, medical risk factors, complications during delivery, OB procedures, abnormalities in the newborn)

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73
Q

The Census

what is the # of people in society important

what is used as a numerator and what is used as a denominator

how do you calculate age adjusted or age specific rates

A

The number of people in the population is necessary in order to convert the data collected through vital statistic systems into rates per number of people

The number of people in the population serves as the denominator when a vital statistic is used as the numerator.

To calculate age-adjusted or age-specific rates it is necessary to know how many people are in each age group

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74
Q

The Census what does it determine

how often does the constitution require that the population of the U.S be counted to determine the state representatives

what are the two controversial issues presented

A

To determine sex-specific or race-specific rates, we need to know how many males and females there are in a population as well as the breakdown of races within the population

The Constitution requires that the population of the United States be counted every 10 years to determine each state’s representation in the House of Representatives

2 controversial issues
- How race is determined
- Ability to accurately count every individual household

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75
Q

The Census.

what is the major change

what is the American Community Survey (ACS)

was it different than the long form

who was it sent to

what was it designed for

A

A major change in the way the 2010 census was conducted was that only
- the most basic data was collected using a short form (included name, sex, race and ethnicity, and relationship of everyone living in the household)

American Community Survey (ACS) launched in 2005 by the Census Bureau
- Same information as long form
- Sent to 3 million households selected to be representative of the populations of local jurisdictions
- designed to help communities plan for transportation systems, zoning, schools, healthcare facilities, housing and social services

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76
Q

National Center for Health Statistics Surveys

A

In addition to collecting data from the states, NCHS actively conducts a number of surveys to gather additional information on the health of the American public
Two ongoing NCHS surveys
The National Heath and Nutrition Examination Survey (NHANES)
Designed to obtain detailed and accurate information
Doctors and nurses conduct physical and dental exams and lab tests on a carefully selected sample of the population
Data collected determines prevalence of chronic conditions and risk factors as well as nutritional status and its association with chronic disease

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77
Q

NCHS Surveys

what does the BRFCC do

A

Two ongoing NCHS surveys
The Behavioral Risk Factor Surveillance Survey (BRFSS)
- Largest telephone survey in the world
- Self reported data (may be less reliable)
- The only available source of timely, accurate data on health-related behaviors
- Conducted by the states which report their findings to the CDC
- Asks questions about health status, high risk behaviors, physical activity, preventive medical care

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78
Q

NCHS Surveys examples

A

National Youth Fitness Survey
National Survey on Family Growth
National Immunization Survey
National Asthma Survey in collaboration with the CDC National Center for Environmental Health
National Infant Feeding Practices Study

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79
Q

Other Governmental Surveys

A

EPA surveillance for health hazards in the environment
National Cancer Institute monitors long-term trends of cancer incidence and mortality through a program called Surveillance, Epidemiology, and End-Results (SEER)
The Centers for Medicare and Medicaid Services utilize billing records for research on utilization and outcomes of medical care

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80
Q

Is so much data necessary?

A

Data is critically important in making up the surveillance systems that form the basis of effective public health practice as well as the planning and evaluation efforts that are increasingly being used in public health programming
The success of intervention programs to confront a problem is evaluated based on whether they improve the statistics

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81
Q

Accuracy and Availability of Data

what is the process of data collection

health info. always relying on survery or voluntary reports are always what

is the census info. always reliable

A

The process of data collection is always imperfect

Health information relying on surveys or voluntary reports are often incomplete or subject to bias

Census information contains errors and there are political difficulties in attempting to correct these errors

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82
Q

Accuracy and Availability of Data errors

A

Errors exist in reporting cause of death on death certificates
Maternal deaths are suspected of being underreported because doctors fail to indicate the woman was pregnant on the death certificate
The data collection and reporting processes contain sources of inaccuracy and bias

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83
Q

Accuracy and Availability of Data

A

New information technology (public health informatics) has vastly improved accessibility of information to public health workers and the general public

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84
Q

Confidentiality of Data

A

All information collected from individuals by governments for whatever purpose is considered confidential and cannot be divulged without the consent of the individual
Information is generally entered into a database without any names, addresses or personal identifiers
Exception: when someone has been exposed to a communicable disease they must be notified

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85
Q

Data and PH Interventions

A

PH problems are identified in terms of statistics
Data is the basis of the statistics utilized in PH initiatives
Success of PH initiatives is evaluated based on improvement in statistics

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86
Q

Pharmacist Patient Care Process
C
A
P
I
F

A

collection of the necessary subjective and objective info. about the patient to understand the relevant medical/medication history and clinical status of the patient

the pharmacist assesses the clinical effects of the patient’s therapy in the context of the patient’s overall health goals to identify and prioritize problems and achieve optimal care

develop a plan to combat the issue that is evidence-based and cost-effective

put a plan into place with other health care professionals and patient or caregivers

evaluate the effectiveness of the plan

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87
Q

Policy Development

what does it help to develop

what does it determine

what does it inform

what does it develop

what does it used to devise strategies

A

Development of the treatment plan

Determines what will be done

Informs, educates and empowers people about health issues

Mobilizes community partnerships to identify and solve health problems through DPH

Develops policies and plans that support individual and community health efforts

Uses scientific knowledge to devise strategic approaches to improve community health

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88
Q

Public Health
WHAT WE FOCUS ON

A

The role of the pharmacist

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89
Q

Public Health

what is it a measure of

what else does it measure in regards to bringing and maintaining

A

Measure of the general, overall state of health of a population or society

Measures that people take to bring about and maintain the health of a population or society

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90
Q

What is Public Health 1920 definition, Charles Edward A. Winslow

A

The science and the art of preventing disease, prolonging life, and promoting physical health and efficiency through organized community efforts for the:

Sanitation of the environment

Control of community infections

Education of individuals in principles of personal hygiene

Organization of medical and nursing services for early
diagnosis and prevention of disease

Development of social machinery which will ensure to every individual a standard of living adequate for the maintenance of health

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91
Q

PH From the CDC Foundation

what is PH

what does it improve

A

Public health is the science of protecting and improving the health of families and communities through promotion of healthy lifestyles, research for disease and injury prevention and detection and control of infectious diseases.

92
Q

CDC works with its partners around the world to do what

A

monitor health through epidemiology
detect and investigate health problems
conduct research to enhance prevention
develop and advocate sound public health policies
implement prevention strategies like with covid: masks, 6 feet away
promote healthy behaviors
foster safe and healthful environments
provide leadership and training

93
Q

What is Public Health

what is the mission

what does substance mean

A

1988 definition, The Future of Public Health by the Institute of Medicine (4 part definition)

Mission: The fulfillment of society’s interest in assuring the conditions in which people (population not individuals) can be healthy

Substance: Organized community efforts aimed at the prevention of disease and the promotion of health

94
Q

What is Public Health

A

Organizational framework: encompasses both activities undertaken within the formal structure of government and the associated efforts of private and voluntary organizations of individuals
3 Core functions of public health (Table 1-1) on exam
Assessment
Policy Development
Assurance that policies are working

95
Q

Assessment – identify what needs to be done

what does it determine

what does it examine

what does it require

A

The diagnostic function- what do we need to do

Determines what should be done

Examines the current health status and threats to health that exist in a community

Requires surveillance of disease, identifies needs, monitors trends and analyzes causes

Diagnoses and investigates health problems and health hazards in the community

96
Q

Assurance

what is it equivalent to

what does it determine

what does it enforce

what does it link.

what does it ensure

what does it evaluate

A

Equivalent to the actual treatment plan

Determines what is being done

Enforcement of laws and regulations that protect health and ensure safety (interventions)

Link the public to health services and ensure the provision of health care

Assure a competent public health and personal healthcare workforce

Evaluate effectiveness, accessibility, and quality of personal and population-based health services

97
Q

3 Core Functions

A

assessment
policy development
assurance

98
Q

Public Health

A

Prevents epidemics and the spread of disease
Protects against environmental hazards like hurricanes and such
Prevents injuries
Promotes and encourages healthy behaviors
Responds to disasters and assists communities in recovery
Assures the quality and accessibility of health services

99
Q

Public Health vs Medical Care

what is the focus of PH

what is the goal

how much does PH account for in health spending

who are the PH decision makers

A

Public Health:
- The “Patient is the Community”

  • The goal or focus is on prevention (abstract, difficult to quantify and recognize)
  • Accounts for approximately 3% of health spending
  • Decision makers are public health experts, involve scientific recommendation/evidence-based medicine, government intervention
100
Q

Public Health vs Medical Care

A

Medical Care
-The Patient is an individual

  • The goal or focus is to treat and cure those who are ill (benefits are easier to quantify and recognize)
  • Accounts for approximately 97% of health spending
  • Decision makers are physicians, mid-level providers, and the individual patient
101
Q

Public Health vs Medical Care
what are the core functions for each

A

Public Health core functions: Assessment, Policy Development, Assurance

Medical Care core functions: Diagnosis, Providing Treatment Options, Actual Treatment, easier-to-quantify implementation

102
Q

PH: Science plus politics

what is science

what is politics

A

Science: the understanding of threats to health, determining necessary interventions, evaluating efficacy of interventions

Politics: determine policies for development, implementation, and assurance

103
Q

Six sciences/disciplines of Public Health

A

Epidemiology

Statistics

Biomedical Sciences

Environmental Health Sciences

Social and Behavioral Sciences

Health policy, management, and administration - need to be thoughtful

104
Q

Epidemiology

what is it

what is it the study of

what does it seek

what does it aim to control

A

The basic science of public health - need to know what’s going on in pop. before developing interventions

The study of epidemics (or common exposures, shared characteristics)

Seeks causative factors of acute and chronic diseases and strategies to limit exposure

Aims to control the spread of disease

105
Q

Statistics

what does it provide and what does it help with

what does the government collect

what does it also assess

A

Data/numbers are diagnostic tools that aid in the determination of risk

The government collects data on populations

Statistics also assess the benefits of interventions

106
Q

Biomedical Sciences

how much of disease is caused by microorganisms

what does prevention and control require

what does it lead to

what studies does it include

A

A major proportion of disease is caused by microorganisms

Prevention and control of diseases requires understanding of infectious agents

Lead to understanding of risk factors for non-infectious chronic diseases

Includes study of genetic predisposition and effects on disease risk, prevention and treatment

107
Q

Environmental Health Science

what is it concerned with

what does it share concern with

what does it depend on

what can we see in different communties

A

A component of public health

Concerned with preventing the spread of disease through water, air, and food

Shares concerned about the spread of infectious organisms

Depends on epidemiology to track environmental causes of disease

within certain communities, there might be environmental contributors that can affect life span ex: 84 life expectancy in 1 region and 72 life expectancy in another region

108
Q

Social and Behavioral Sciences

A

People are negatively impacted by diseases caused by their behavior and their social environment

There are many disparities in health between subgroups of the population, the causes of the disparities are often unknown

Some subgroups of the population have poorer health overall than others related to social and behavioral sciences

disparities between white and black health outcome

109
Q

Health policy, management and administration

what does it attempt to address

A

Attempts to address:

Rising cost of healthcare

Access to healthcare

Quality of healthcare

Role of public health in medical care

110
Q

3 Core Functions and 6 Disciplines

what are the 3 core functions

A

How are the 6 disciplines used to accomplish the 3 core functions?
-Assessment
-Policy Development
-Assurance

111
Q

Prevention and Intervention

what is the 5 step process

A

5-step process:
1. Define the health problem

  1. Identify the risk factors associated with the problem
  2. Develop and test community-level interventions to control or prevent the cause of the problem
  3. Implement interventions to improve the health of the population
  4. Monitor those interventions to assess their effectiveness

plan
do
study
act
this is a continuous cycle

112
Q

Prevention and Intervention

what two things does PH address

what does it require

What are some interventions we see every day?

A

PH = prevention of disease
PH = keeping a population healthy

Prevention
–Requires development of interventions aimed at specific health problems or behaviors

What are some interventions we see every day?
- billboards

113
Q

2 Approaches to designing interventions

what are they? :)

A

Prevention at 3 levels/stages

Chain of causation

114
Q

Prevention at 3 levels/stages

A

Primary prevention: aims to prevent an illness or injury from happening at all by preventing exposure to the risk (true prevention) - COVID: having people stay home, could not be exposed to COVID if they did not go anywhere, also masks

Secondary prevention: aims to minimize the severity of the illness or injury when it occurs (early detection and treatment)

Tertiary prevention: aims to minimize disability by providing medical care and rehabilitation. Happened in hospitals, aiming to minimize the severity and disability

vaccinations are secondary preventions: were not designed to prevent COVID-19 but to prevent the severity of the disease if you got covid

115
Q

Examples of Prevention at 3 levels/stages
did it prevent exposure?

A

Primary: discouraging teenagers from smoking and efforts to encourage smokers to quit (preventing lung cancer and COPD). Have laws in place to prevent ppl under 18 from getting cigarettes. Stop exposure

Secondary: screening programs for early cancer detection

Tertiary: medical treatment and rehabilitation for cancer patients

116
Q

Chain of Causation

what are the 4 parts what does each involve

A

Involves

Agent: could be a disease-causing bacteria or virus. The goal is to eliminate or minimize. For lung cancer: smoke or cigarettes. Anyhting that causes the disease

Host: a human being. The goal is to make less susceptible/strengthen resistance to the agent like with a vaccine

Environment: the means of transmission by which the agent reaches the host. The goal is to make the host less likely to encounter the environment and decrease or eliminate the means of transmission.

For COVID: school, grocery stores, public transportation

goal: make the host less likely to be in an environment

117
Q

Example of chain of causation

example is suicide

what is the host

what is the agent

what is the environment

what is the PH prevention

what do we need to reduce access to

A

PH goal: prevent suicides in the age group 15 to 24

Host: susceptible young people

Agent: guns, overdose

Environment: the young person’s social environment (family, school, social media)

PH intervention: change messages in the media, reduce access to guns and drugs for overdose

reduce access to guns, interrupt the chain of causation

something needs to change

118
Q

Chain of Causation

what is the goal

what must to first think of

identify what

what must you describe

how can you change the host

A

The goal is to interrupt the chain:

Think of an illness or injury

Identify the agent, host, and environment

Describe how you would interrupt the chain of causation related to the agent, host, and environment

can change host by vaccinating them, educating them

119
Q

Public Health and Terrorism

Public health response to disasters and terrorism helps control damage and prevent further harm to survivors and rescuers.
What level of prevention is this?-is it primary, secondary or tertiary

A

Public health response to disasters and terrorism helps control damage and prevent further harm to survivors and rescuers.

What level of prevention is this?
Primary?- prevent exposure to agent
Secondary?- help to reduce the severity of agents like a vaccine
Tertiary?- how we take care of people who have exposure

evacuate from hazard: primary prevention

terrorist attack: no primary prevention

I think this is secondary because the disaster has ALREADY happened (so it cannot be primary because if it was then we would be preventing it from happening at all) and we are trying to prevent FURTHER harm from continuing. If tertiary then we would be providing something for the survivors to RECOVER from the disaster

120
Q

Why is PH controversial?

A

do not make a lot of money

costs money

121
Q

Pharmacist Patient Care Process

A

also in PH
by collecting
assessing
plan
implement
follow-up

do this for pop. and not just individual

122
Q

Government’s role in public health

who determines their role

is the body of PH law small

A

Determined by law

Government’s public health activities must be authorized by legislation at the federal, state, or local levels’

The body of public health law is huge, consisting of all written statements relating to health by any of the three branches of government

123
Q

The U. S. Constitution

what does it mention about health

what does th 10th amendment state

what does the preamble include

what authority does it give to federal goverment

A

Does not mention health

Tenth Amendment states that “the powers not delegated to the United States by the Constitution…are reserved to the States respectively.

Preamble includes “to promote the general welfare”

Gives federal government authority to regulate interstate commerce and “to collect taxes…to pay the debts and provide for the common defense and the general welfare:

124
Q

Federal influence over public health

A

Interstate commerce provision: justifies the activities of the Food and Drug Administration (FDA)

Power to tax and spend: (1967) lead to federally mandated motorcycle helmet laws as a condition of federal funding for highways

Federal government provides 50 to 80% of Medicaid funding though states and counties administer the programs

125
Q

Federal influence over public health

A

From WW II to the 1980s the federal government used its powers to widen its role in public health

Trend reversed in 1980 due to politically hostile climate in government

Movement in Congress and the Supreme Court to cut government regulations and return power to the individual states

126
Q

New federalism in the 1990s

what did it do to congress

what did the supreme court do

what happened to new federalism after 9/11

what happened in 2003

A

Limited Congress’s powers and returned authority to the states

Supreme Court struck down a law making gun possession within a school zone a federal offence, rejecting that gun possession was a matter of interstate commerce

New federalism lost much of its momentum after 9/11 when the role of the federal government in public health looked useful and necessary

In 2003 this movement seemed to reverse, giving federal law more power over state law

127
Q

How the law works

what do the governments have power to do

what are the 3 reasons why police power is invoked

A

Governments have police power (broad power) to act in ways that curtail the rights of individuals.

Police powers are invoked for 3 reasons
–To prevent a person from harming others (direct or indirect)
–To defend the interests of incompetent persons such as children or the mentally handicapped
–To protect a person from harming him or herself

128
Q

Examples of police powers

what does it say about vaccines

what about work training

what did some people argue

A

Mandatory vaccinations

Occupational Safety and Health Act (OSHA)

Some may argue that prior to government implementing PH initiatives a cost benefit and feasibility analysis should be considered.

129
Q

How public health is organized and paid for

A

Local Agencies

Have day to day responsibility for public health activities and provide the bulk of services (include collecting statistics, conducting communicable disease control programs, health screenings, immunization clinics, provision of medical care to the indigent)

Organization varies from state to state (most common is county health departments, large cities have municipal health departments, towns have boards of health, rural areas have multicounty health departments )

Funding varies from state to state, including state, federal and local taxes, fees for services

130
Q

How public health is organized and paid for

what are state agencies primarily responsible for

what do most states have

what does funding depend on

what is it defned to

what is it charged with

A

State Agencies
- Has primary responsibility and authority for the protection of health, safety and general welfare of the population

Most states have a state health department (Mass Dept of Public Health)

Funding depends heavily on federal money

Define to varying degrees the activities of local health departments

Charged with licensing and certification of medical personnel, facilities and services
Administer Medicaid programs

131
Q

How public health is organized and paid for

who is the nation’s leading spokesperson on matters of public health

what agencies are included

A

Federal Agencies

Fall under jurisdiction of the Department of Health and Human Services (HHS)

The Surgeon General is the nation’s leading spokesperson on matters of public health

Agencies include
CDC – the main assessment and epidemiologic agency (figure 3-4)
NIH – the greatest biomedical research complex in the world (Box 3-1)
FDA

132
Q

The CDC

what is the mission

what does it traditionally focus on

what has the focus changed

A

Mission is to control and prevent human diseases

Traditionally focus has been on infectious diseases (crisis oriented)

Change in focus and expanded mission includes chronic diseases, genetics, injury, violence and environmental health

133
Q

NIH

what is it in the world

what does it support

what does it include

A

The greatest biomedical research complex in the world

Supports research ranging from basic cellular processes to physiological errors that underlie human diseases

Includes the National Library of Medicine, the largest reference library for medical centers around the world

134
Q

Other federal agencies with public health responsibilities

A

Environmental Protection Agency (EPA)

Department of Agriculture

Department of Education

Department of Transportation

Department of Labor

Department of Veterans Affairs

Department of Homeland Security

135
Q

Worcester Department of Public Health (DPH)

what does it work on

what is it comprised of

A

Your Public Health Division works to protect and improve community well-being by preventing disease and injury while promoting social, economic and environmental factors fundamental to health.

This Division is the foundation of the local public health system that comprises public- and private-sector health care providers, academia, community based organizations, business, the media and other local and state governmental entities.

136
Q

Worcester DPH

what does it track and investigate

what does it prepare and respon

what does it develop, apply and enforce

what does it lead

A

Track and investigate health problems and hazards in the community

Prepare for and respond to public health emergencies

Develop, apply and enforce policies, laws and regulations that improve health and ensure safety

Lead efforts to mobilize communities around important health issues

137
Q

Nongovernmental role in public health

what non-governmental organizations play a role in public health

A

Many nongovernmental organizations play important roles in public health, especially in education, lobbying and research

American Cancer Society

American Heart Association

Alzheimer’s Disease and Related
Disorders Association

American Diabetes Association

138
Q

Non-governmental role in public health

what do they conduct

what do they sponsor

what do they include

A

Conduct campaigns to educate the public

Sponsor research on a particular disease

Include professional membership organizations

Include several major philanthropic foundations providing funding for supporting research or special projects, health care to certain populations and support for health and public policy development

139
Q

what are the Public Health Cores Sciences?

A

prevention effectiveness

epidemiology

laboratory

informatics

surveillance

140
Q

what is epidemiology

what is Descriptive Epidemiology

what is Analytic Epidemiology

what is epidemiology concerned with

A

the study of
- the patterns of disease occurrence in human populations,

  • the factors that influence these patterns
  • the application of this study to the prevention and control of health problems

Descriptive Epidemiology:
It looks to find the answers of person (who), place (where) and time (when) of a disease or other health-related event

Analytic Epidemiology
Why and how questions are answered by

Epidemiology is not only concerned with only death, illness and disability; but also positive health states and the means to improve health

141
Q

what are the 3 Elements of Descriptive Epidemiology

A

Time:
- Do disease patterns differ by time of year? Are they seasonal?

Person:
- Do disease patterns differ by age or gender?

  • Are certain groups of people at a higher risk of developing a disease or complications from an illness?

Place:
- Do disease patterns differ on geographical areas?

Combination of time, person, & place
Age groups stratified by location

142
Q

what is the Purpose of Epidemiology in Public Health Practice

A

Discover the agent, host, and environmental factors that affect health

Determine the relative importance of causes of illness, disability, and death

Identify those in the population that have the greatest risk from specific causes of illness

Evaluate the effectiveness of health programs and services in improving population health

143
Q

what is the Epidemiology Triangle?

A

host
- age
- race
- sex
- genetic profile
- previous disease
- immune status
- religion
- customs
- occupation
- marital status
- family background

agent
- biologic (bacteria, viruses)
- chemical (poison, alcohol, smoke)
- physical (trauma, radiation, fire)
- nutritional (lack, excess)

environment
- temp, humidity, altitude
- crowding, housing, neighborhood
- water, milk, food
- radiation, pollution, noise

144
Q

Epidemiology Key Terms

Epidemic or outbreak:

Endemic:

Pandemic

Surveillance

Cluster

A

Epidemic or outbreak: disease occurrence among a population that is more than what is expected in a given time

Endemic: disease or condition present among a population at all times; always there

Pandemic: a disease or condition that spreads over a wide geographic area and affects an exceptionally large population across regions, maybe worldwide–globally

Surveillance: Ongoing systematic collection, analysis, and interpretation of health data needed for planning, implementation, and evaluation of public health practice

Cluster: a group of cases in a specific time and place that might be more than expected.

145
Q

A public health approach-Public health problems are diverse

A

surveillance: what is the problem (problem)

identify risk factors: what is the cause

intervention evaluations: what works

implementation: how do you do it (response)

146
Q

All of the following illustrate the purpose of epidemiology in public health EXCEPT:

A
Identifying populations who are at risk for certain diseases

B
Assessing the effectiveness of interventions

C
Providing treatment for patients in clinical settings

D
Determining the importance of the cause of illness
Your

A

C! Providing treatment for patients in clinical settings- Leave it to physician

which is what I put randomly LOL

147
Q

In March 2021, an outbreak of measles occurred among students at a community college in Boston. This group of cases during this specific time and place is described as a _________________________________.

A

cluster

148
Q

HIV/AIDS is one of the worst global diseases in history. It is a/an___________________.

A

pandemic

149
Q

The Ebola virus in parts of Africa is in excess of what is expected for this region. This virus is a/an______________________.

A

epidemic (or outbreak)

the key is EXCESS; the agent is more than what we want

150
Q

Malaria is present in Africa at all times because of the presence of infected mosquitoes. Malaria is ___________________ in Africa

A

endemic

151
Q

Surveillance

what is it in PH

it is warning system for what

Once an outbreak is discovered, what can be done

A

Epidemiologic surveillance is a major line of defense in protecting the public against disease

It is a warning system that alerts
communities that something is wrong

Once an outbreak is discovered, public health officials can begin to take action to prevent the spread of disease
- Immunizations
- Isolation of an infected person
- Recall of medication or contaminated food

152
Q

what are the list of disease thata healthcare provider should report to the public health department

does surveillance ever stop

A

The Federal government has a list of notifiable diseases that a healthcare provider must report to the public health department:
Hepatitis B
HIV
STDs
Tuberculosis
COVID-19

Surveillance is ongoing and systematic

153
Q

Outbreak Investigations

what are the steps

A

Construct a working case definition

Perform descriptive epidemiology (Who, Where, When)

Implementing control and prevention measures

Initiate or maintain surveillance

Communicating findings to stakeholders, community etc

154
Q

Outbreak Investigation

what is step 1?

what is the probable case

what is confirmed case

A

Step 1- Construct a working case definition
Establish a case definition by using a standard set of criteria

Probable Case: Have signs and symptoms but no confirmed laboratory work

Confirmed Case: Have signs and symptoms with laboratory confirmation

155
Q

Example: Meningococcal disease for outbreak investigation

what is a clinical case

what is a lab diagnosis

what is probable and what is confirmed

A

Clinical case definition: An illness with sudden onset of fever (>380C and one or more of the following: neck stiffness, altered consciousness, other meningeal signs or petechial or puerperal rash

Lab diagnosis: Positive cerebrospinal (CSF) fluid antigen detection or positive culture

Case classifications:

Suspected: Meets clinical case definition

Probable: As suspected case and turbid CSF (with or without positive Gram stain) or ongoing epidemic and epidemiological link to a confirmed case

Confirmed: A suspected or probable case with laboratory confirmation

156
Q

Outbreak Investigation step 2

what kind of epidemiology is performed

how do you suumarize data

what does it provide

what can be inferred

what can it provide clues for

what can begn after this

what can you establish from this

A

Step 2- Perform descriptive epidemiology- This step is very important because it will:
Summarize data by key demographic variables

Provide trends over time, geographic areas and the population affected

From this information you can infer the population at risk for the disease

Can provide clues about the source, modes of transmission

Can begin interventions and preventative measures to control disease

Establish epidemic curve-shows magnitude of disease over time

157
Q

Outbreak Investigation
step 3 & 4

what does step 3 do
- what does it control and preventand what is the primary goal
- what kinds of things can be done

step 4
- once control measures are in place, what must be done

A

Step 3- Implement control and prevention measures
- Control and prevent additional cases is the primary goal. If appropriate measures are known they should be put in place as early as possible.
- Masks for respiratory transmission, spraying or bed nets for mosquito transmission

Step 4- Initiate or maintain surveillance
Once control measures are in place must monitor to see if working or not

158
Q

Outbreak investigation
step 5

determine what

what are examples of these

determine what about information

what is an example of that

identify what

what next needs to be controlled

A

Step 5- Communicate findings
Determine who needs to know

Local health authorities. Medical community, general public, lawmakers

Determine how information will be communicated

Oral briefings via news of implementation of control and prevention measures

Identify why information needs to be communicated

Control spread of illness

159
Q

Outbreak Investigation

A

New regulations may result from the findings

Legionnaire’s disease led to the development of new regulations worldwide for climate control systems (A/C systems and cleaning requirements)

More recent outbreak that led to changes in regulations:
- Meningitis outbreak of 2012 from New England Compounding Center (NECC)

  • Changed continuing education requirements for pharmacists conducting sterile and non-sterile compounding
  • Owner of pharmacy found guilty on 57 of 96 charges- serving 9 years in prison
  • Chief pharmacist- charged with 25 counts of second degree murder (found not guilty) found guilty on racketeering charges- Serving 8 years in prison
160
Q

Chronic Diseases

what can it show links between

how does it develop, is there a single cause

A

Epidemiology is also useful in identifying the causes of some chronic diseases

Can show links between the occurrence of disease with exposure to risk factors

Chronic diseases develop over time and do not have a single cause

Risk factor concept: a particular biologic, lifestyle & social conditions are associated with increased risk for specific chronic diseases

161
Q

Heart Disease

what was it the first epidemiologic study to do

who was in the study

what are the Three major risk factors for heart disease are:

A

Framingham Heart Study
- Began collecting data in 1948- still collecting today

  • Was the first epidemiologic study of a chronic disease
  • > 5000 healthy, middle-aged subjects in Framingham, MA- examined every 2 years

Findings from this study:
Three major risk factors for heart disease are:
- High cholesterol
- Hypertension
- Smoking

162
Q

heart disease

prospective cohort study

A

In 1971- the study continued to the off-spring of the original study subjects

In 2001-2002- the grandchildren of the original study subjects became part of the study

This type of study is called prospective cohort study because it follows the subjects through time

Guidelines to treat cardiac conditions such as hypertension and dyslipidemia have been developed based upon the knowledge gained in this study

163
Q

Heart Disease data

A

Data from these trials helps us today in medicine for evidence-based recommendations

The Framingham Heart Study found:
- Weight gain and lack of exercise are associated with high blood pressure and high cholesterol levels therefore increasing the risk of heart disease

Expanded studies found;
- Effects of quitting smoking

  • “Good” cholesterol versus “bad” cholesterol”
  • Alcohol in moderation has beneficial effects
164
Q

Lung Cancer studies

what are the 2 studies

A

What link has been associated with lung cancer?

Two landmark studies:
Doll and Hill (UK)

  • Death rate from lung cancer was 20 times higher in smokers than in non-smokers
  • Death from heart attacks was significantly higher in heavy smokers aged 35-54 than in non-smokers

Hammond and Horn (US)
- Smokers are 10 times more likely to die of lung cancer than non-smokers

  • Heavy smokers are 2.4 times more likely to die of heart disease than non-smokers
165
Q

Case

A

BW is 59 year old African-American male with atrial fibrillation and hypertension. He currently takes aspirin, lisinopril, hydrochlorothiazide daily.
- Lipid panel: TC 201, LDL 160, HDL 30, TG 180,

  • Blood pressure 170/90
  • Smoked 1 pack of cigarettes a day for 30 years

What is his ASCVD 10-year risk Score? Lifetime score?

166
Q

of epidemiology
Summary

whatis epidemiology important for

what do Epidemiologists investigate

what does it provide

what is the role in identifying causes of disease

what does it want to achieve

what do agences build

what do they help with

A

Epidemiology is an important component of the assessment function of public health

Epidemiologists investigate epidemics by counting the number of cases and how they are distributed by person, place, and time

Epidemiology also provides information on the cause of chronic diseases

Epidemiology’s role in identifying causes of disease leads directly and indirectly to prevention and control

To achieve improvements in public health:

Agencies build on the information from
information gathered from epidemiological studies to develop policies

They help plan programs aimed at reducing risk and promoting health in the population

167
Q

Important Terminology for Chapters 5- 6-7Epidemiologic Principles and Methods

A

Case Control
Cohort
Epidemic curve
Incidence
Intervention Study
Probability
Relative Risk
Surveillance
Bias
Confounding variable
P-value
Significance
Statistics

168
Q

Conducting studies

why are studies conducted

A

Studies are conducted in an attempt to discover associations between an exposure or risk factor and a health outcome

169
Q

Epidemiology Study Types
can be either:

A

can be either:
observational
or
experimental

observational can be either:
descriptive - who, when, where, hypothesis
or
analytic - how, tests hypothesis

170
Q

Descriptive vs Analytic Epidemiology

A

Descriptive epidemiology asks
- When was the population affected?
- Who was affected?

Analytic epidemiology asks
- How was the population affected?

Descriptive epidemiology asks
- Where was the population affected?

Analytic epidemiology asks
- Why was the population affected?

171
Q

Distribution
who

when

when

where

A

Who: age, sex, race and economic status

When: trends of disease frequency over time (is it increasing?, decreasing?, remaining stable?)

When: tracking an outbreak. Use epidemic curves to plot the number of cases over some time.

Where: compares disease frequency in different counties, states or countries or other geographic areas. Can also compare urban vs. rural areas

172
Q

Distribution
what does the info. collected provide

and what can determinants be

A

The information gathered on the distribution of disease gives clues about the determinants of disease.

Determinants can be any underlying social, economic, cultural or environmental factors that are responsible for health and disease.

173
Q

what are the Three study designs are commonly used in epidemiology (Observational)

what experimental studies are used to test for

A

3 study designs:
Cross-sectional
Cohort
Case-control

Experimental studies to test efficacy of medications
- Randomized Controlled Studies are used

174
Q

Determinants

when you have clues, what can you do

what can you do with hypothesis

what can it do

A

When you have clues to the determinants of disease you can generate a hypothesis

The hypothesis can be tested by formal/systematic epidemiologic studies

These can confirm or disprove the hypothesis

175
Q

Cross Sectional study

what does it analyze

why are the subjects selected

what does it provide

A

Analyzes data of variables collected at one given point in time across asamplepopulation or a pre-defined subset.

Subjects are selected because they are members of a certain population at a certain period

Provides a “snapshot” of exposures and outcomes

176
Q

Cohort Study

what does it study

what type of people does it start with

what does it provde

are Prospective or retrospective usually short

A

A study of a group of people, or cohort, followed over time to see how some disease or diseases develop

The study typically begins with healthy subjects who are asked about their exposures

These studies provide the best information about the causation of disease and the most direct measurement of the risk of developing a disease

Prospective or retrospective and can take years to complete

177
Q

Cohort Studies

what are the advantages and disadvantages

A

Advantages
Can study multiple outcomes
Study uncommon & multiple exposures
Provides clearer sequence of events
Selection bias is not likely
Directly calculate disease incidence

Disadvantages
Expensive & time consuming
May take years to complete study
Inefficient for rare outcomes or disease with long latent periods
Data on some confounding variable may be missing
Source of error
Loss to follow-up

178
Q

Case-Control study
what does it compare

what are case-patients

what are control-patients

how do epidemiologists work

what are cases and controls compared with

how long does it take to do this study

how are subjects matched

A

A study that compares individuals affected by a disease with a comparable group of persons who do not have the disease to determine possible causes or associations

Those with the disease or condition are case-patients

Those without the disease or condition are control-patients

Epidemiologists work backward from the illness or health condition (retrospective in nature) to determine any associations

Cases and controls are compared for the presence or absence of one or more specific exposures or risk factors

Takes a shorter amount of time to complete

All subjects are matched as much as possible (age, race, gender, other factors relative to the disease)

match case/experiment patients with those that do not have the disease, one has the disease and one does not have one

is retrospective

tries to link the disease with exposure

179
Q

how to Design of Case-Control Study

what does it start with

what does it spearate

what are done to both groups

A

start with population

separate into cases and controls

have both groups each be exposed and not exposed

so in total tested 4 groups:
1 exposed and not exposed for case = 2
1 exposed and not exposed for control = 2
2 + 2 = 4

180
Q

Case Control Studies advantages and disadvantages

A

Advantages
Can study multiple exposures
They are efficient for rare diseases or diseases with a long latency period between exposure and disease manifestation
Faster and easier to conduct than other studies
Less expensive
the more people, the more reliable data

Disadvantages
Bias can be a source of error
Recall Bias
Information Bias- will have to remember and they may not be able to recall
Reporting bias
Selection bias
They are inefficient for rare exposures

181
Q

Experimental Study
what does it deal with

what are the types of studies used for

what are the two groups that are started with and what will each get

what may the two groups be

how are subjects assigned into groups

what can occur

A

deals with Randomized Controlled Trials (RCT)

These types of studies are used to test new drugs for safety and efficacy before they are approved for marketing

Start with two groups:
Experimental group-will get the new treatment
Control group-may get placebo

Can be blinded or double blinded

Subjects are randomized into groups

Have an intervention occur (subjects given counseling and drug or no counseling with placebo)

182
Q

Randomized Controlled Studies

what are advanatges and disadvantages

A

Advantages
Convincing
Can control for confounders (known and unknown)

Disadvantages
Very expensive- millions of $$
Artificial environment
Ethical issues- like will not do on pregnant women
Difficult to conduct logistically

183
Q

Measurements used in epidemiology

rate

PAR

Incidence

prevalence

mortality rate

A

Rate is the number of cases but this number must be relative to the size of the of the population being studied.

Population at risk (PAR): This number should only include people who are potentially susceptible to the disease being studied.

Incidence is the rate of new cases of a disease in a defined population over a defined period of time
Measures the probability that a healthy person in that PAR will develop that disease during that specific time
Incidence-Expresses the risk of becoming ill.
Must always include a unit of time- such as cases per 10^ n per day, week, month or year.

Prevalence is the total number of cases of a disease existing in a defined population at a specific time
Rates change slowly-not useful for epidemiologic studies
Useful in assessing social impact of disease-affects planning
Prevalence- Estimates the probability of the population being ill at the period of time being studied
Prevalence is often expressed as cases per 100 (percentage) or per 1000 population.

Mortality rate is the incidence of death per unit of time (usually per year) in a population, which can look at all deaths or a specific cause of death. With COVID, measure how many passed form COVID

184
Q

: Measurements of Association

how does epidemiology identify association

what are the 2 types of measurements used in epidemiology studies

A

Epidemiology identifies associations between exposures and outcomes

Salt intake → Hypertension (direct association)
Salt in take → Hypertension → Coronary artery disease (in-direct association)

Types of measurements used in epidemiologic studies:
Relative Risk
Odds Ratio

185
Q

Measurements of Association: Relative Risk (RR)

what does it measure

what ratios does it measure

what does RR = 1.0 mean

what does RR > 1.0 mean

what does RR < 1.0 mean and is it sometimes called

where is this typically used

A

measures: If an association exist, how strong is it?

What is the ratio of the risk of disease in exposed individuals to the risk of disease in unexposed individuals?

RR = 1.0 = no association between exposure and the disease. Cannot confirm or deny that exposure leads to outcome

RR > 1.0= shows a positive association (increased risk from exposure)

RR < 1.0 = Shows a negative association (decreased risk from exposure)- sometimes called a “protective effect”

Typically used in COHORT (follow a group for a certain time) studies

186
Q

Measurement of Association: Odds ratio (OR)

what study uses this

can it directly calculate the risk?

what does
OR = 1
OR > 1
OR < 1
mean

A

What are the odds that the disease will develop in an exposed person? Association of an exposure and a disease

Used in case-control studies

Can not directly calculate the risk since subjects already started with the disease- it is an approximation of the relative risk

OR = 1 no association, OR >1 positive association, OR < 1 negative association

187
Q

Measurement of Association: 95% Confidence Interval

what is the 95% CI used for

what does a high and low CI indicate

what is the 95% CI used for

Is wide or Narrow CI more reliable

what is range includes 1

A

a range of numbers and we are 95% sure that the true number falls in that range

The 95% confidence interval (CI) is used to estimate the precision of the OR (also used in RR).

A large CI indicates a low level of precision of the OR, whereas a small CI indicates a higher precision of the OR.

In practice, the 95% CI is often used as a proxy for the presence of statistical significance if it does not overlap the null value (e.g. OR=1).

Will look like this: RR=3 (95% CI 1.67-4.2); p<0.5 is a range of numbers

narrow shows a really high precision and shows more confidence than wide

if includes 1 it is not statically significant and we cannot say that there is an association because the true number could be 1 and for OR & RR there is no association

1.67 is higher than 1 so there is a positive assoication, it has to be 1.0 for it to really be 1

188
Q

Sources of Error

what are confounding variables?

what us bias

what is selection bias

what is recall bas

A

Confounding variables:
Is a factor or explanation that may affect a result or conclusion.

Bias- is a systematic error in the design, conduct or analysis of a study that results in a mistaken estimate of an exposure’s effect on the risk of disease.

Selection bias: there is an error in choosing the individuals or groups to take part in a study
This is often a problem in case-control studies

Recall Bias: An error caused by differences in the accuracy or completeness of the recollections retrieved (“recalled”) by study participants regarding events or experiences from the past.
Is an issue in case-control studies

189
Q

P-value

what is it

what P-value is used in clinical trials

what does that number mean

are we comfortable with that number, is it that same for physics?

A

The P-value is the probability that the observed results occurred by chance alone

In clinical trials, a p-value of 0.05 is often used

This means if the study was conducted 100 times- the result would be the same 95 times and 5 times would have a different result

We are comfortable with a 5% error but other disciplines have a much higher p-value (i.e. physics might set a p-value at 0.001)

190
Q

Proving Cause and Effect

A

Epidemiological studies usually speak of risk factors than causes.
To make the results of a study stronger it is important to show a cause and effect relationship

191
Q

Elements of Cause and Effect

what does a study with a lot of subjects lead to

The Framingham Heart Study has thousands of participants. This makes the results much more valid than another study with how many subjects

what does a stronger association between exposure and disease result in

which has a stronger association, an RR of 20 or RR of 1

A

A study with a large number of subjects is more likely to yield a valid result

The Framingham Heart Study has thousands of participants
This makes the results much more valid than a study of only 30 subjects

The stronger the association measured between the exposure and disease the more likely there is a cause-and-effect relationship

A RR of 20 in regards to smoking and lung cancer is a much stronger association than a RR of 1. So 20x more likely to get lung cancer from smoking than if I do not smoke. 20 shows a stronger association

192
Q

Elements of Cause and Effect

what relationship does exposure and risk have

the more exposure equals what

what happens if you have a lot of exposure to the disease

A

Dose-response relationship between exposure and risk of disease

The more exposure you have the more likely you are to get the disease.

A nurse caring for patients with Avian Influenza compared to a nurse in a calling station answering patient’s questions. LOTS of exposure to the virus more likely to contract the flu than a nurse not exposed to the flu virus.

have to get exposure to disease to get the disease

193
Q

elements of cause and effect

what two things are needed for this

A

A known biological explanation between exposure and a disease
- Is the epidemiological findings consistent with the current biological knowledge?
- Rubella causing congenital cataracts

Results are consistent with other investigations
- Studies conducted in different populations still have similar results
- If an association is found it is expected to see the same results within subgroups of the population and in different populations (unless there is a clear reason to expect differently)

194
Q

Use in pharmacy practice

what kind of medicine is used

what studies are used

how are studies communicated?

do physicians use it?

A

Evidence-based medicine is used widely today to make sound medical decisions.

Pharmacoepidemiology studies can be used in the drug therapy decision process.

Studies are published to show that drugs are safe and effective.

Physicians use these studies for treatment guidelines.

195
Q

What are the rates of physician visits and practicing physicians in the U.S. compared to other nations?

A

The U.S. has among the lowest rates of physician visits and practicing physicians

196
Q

What are the hospital stays of the U.S. & Netherlands compared to other nations? How many beds does the U.S have compared to other nations

A

hospital stays are shortest in the Netherlands and the U.S. The u.S has among the lowest number of hospital beds

197
Q

compared to other countries, how much does the U.S. spend on admin. costs
do they spend more or less on LTC than other countries

A

the U.S spends more on administrative costs but less on long-term healthcare than other wealthy countries

198
Q

Subjects with lung cancer are compared to subjects without lung cancer

A
Cross Sectional

B
Cohort

C
Case Control

A

C
case control

199
Q

A study of children age 10-16 in a community located near high tension wires for 2 months

A
Cross Sectional

B
Cohort

C
Case Control

A

B
cross-sectional

specific pop. at one point in time

200
Q

Subjects who have received exercise & nutritional sessions followed for 5 years to measure health outcomes

A
Cross Sectional

B
Cohort

C
Case Control

A

B
cohort

Group is followed through time so prospective cohort

201
Q

which one is statically significant

RR 0.5 p < 0.001

OR 2.5 (95% Cl -2.5 to 5)

RR 2.5 (95% Cl 2 to 5)

OR 1.5 p = 0.8

A

p < 0.001 is statically significant

OR 2.5 (95% Cl -2.5 to 5) is not because it includes 1

RR 2.5 (95% Cl 2 to 5) is because it does not include 1

OR 1.5 p = 0.8 is more 0.05, has to be less of it to be statistically significant

202
Q

endemic

A

illness that is around all the time

disease or condition present among a population at all times

203
Q

Epidemic or outbreak:

A

disease occurrence among a population that is in excess of what is expected in a given time

204
Q

Pandemic:

A

a disease or condition that spreads over a wide geographic area and affects an exceptionally large population across regions, may be worldwide.

205
Q

Surveillance:

A

: Ongoing systematic collection, analysis, and interpretation of health data needed for planning, implementation, and evaluation of public health practice

206
Q

chronic disease

A

develop over time

Risk factor concept: a particular biologic, lifestyle & social conditions are associated with increased risk for specific chronic diseases

a disease that you have for a long time

207
Q

incubation period

A

the period between exposure to an infection and the appearance of the first symptoms.

208
Q

risk factors

A

characteristics at the biological, psychological, family, community, or cultural level that precede and are associated with a higher likelihood of negative outcomes.

209
Q

what do epi curves show

what does it allow you to distinguish

what does the shape tell you

A

The epi curve shows the magnitude of the epidemic over time

It permits the investigator to distinguish epidemic from endemic disease

The shape of the epidemic curve may provide clues about the pattern of spread in the population

210
Q

what is an endemic curve

what does the horizontal axis show

A

Epidemic curve (epi curve) shows progression of an outbreak over time

The horizontal axis represents the date when a person became ill, also called the date of onset.

211
Q

what about the epidemic does the epi curve show you

what can it be used for

A

The curve shows where you are in the course of the epidemic
- Still on the upswing, on the down slope, or after the epidemic has ended.

The curve can be used for evaluation, answering questions like:
- How long did it take for the health department to identify a problem?
- Are intervention measures working?

212
Q

A similar group of subjects with lung cancer are compared to subjects without lung cancer to determine possible associations

Cross-sectional
Case-control
Cohort

A

case control

case: with lung cancer
control: without lung cancer

213
Q

Subjects who have received exercise & nutritional sessions are followed for 5 years to measure health outcomes

Cross-sectional
Case-control
Cohort

A

cohort

214
Q

A study of children age 10-16 in a small community located near high tension wires for a total of 2 months

Cross-sectional
Case-control
Cohort

A

cross sectional

215
Q

is the p-value statistically significant?

OR 1.83 (95% CI 1.50 to 2.24); p=0.05

RR 1.66 (95% CI 1.37 to 2.00)

OR 0.83 (95% CI 0.61 to 1.08

RR 0.87 (95% CI 0.66 to 1.15)

RR 2.23; p<0.001

A

OR 1.83 (95% CI 1.50 to 2.24); p=0.05 - Yes! The 95% CI does not include 1 and the p-value is statistically significant

RR 1.66 (95% CI 1.37 to 2.00) - Yes! The 95% CI does not include 1

OR 0.83 (95% CI 0.61 to 1.08) - No! the 95% CI includes the number 1

RR 0.87 (95% CI 0.66 to 1.15) - No! the 95% CI includes the number 1

RR 2.23; p<0.001 - Yes! The p-value is less than 0.05

RR > 1 positive association
RR < 1 negative association
RR = 1 no association

216
Q

cross-sectional
vs
cohort

A

both deal with a certain group BUT

Cross-sectional
- measure at ONE time

cohort
- measure over a certain period of time (like over 5 years

The cross-sectional study has an identical structure to the cohort study except that the exposures and outcomes are measured at the same time (i.e. cross-sectionally), whereas in a cohort study outcomes are typically measured after the exposure/s have been measured (i.e. longitudinally).

217
Q

rate

A

An expression of the frequency with which an event occurs in a defined population

the number of cases in a population

218
Q

Population Attributable Risk (PAR)

A

This number should only include people who are potentially susceptible to the disease being studied.

the porportion of the incidence (the number of case) of a disease in the population (exposed and nonexposed) that is due to exposure–so the proportion of cases that is due to (or can be attributed to) exposure

219
Q

Incidence

A

the rate of new cases of a disease in a defined population over a defined period

Measures the probability that a healthy person in that PAR will develop that disease during that specific time

Incidence-Expresses the risk of becoming ill.
Must always include a unit of time- such as cases per 10^ n per day, week, month or year

220
Q

prevalence

A

a measure of disease that allows us to determine a person’s likelihood of having a disease

221
Q

Mortality rate

A

the incidence of death per unit of time (usually per year) in a population, which can look at all deaths or a specific cause of death. With COVID, measure how many passed form COVID

222
Q

prevalence

A

Rates change slowly-not useful for epidemiologic studies
Useful in assessing social impact of disease-affects planning
Prevalence- Estimates the probability of the population being ill at the period of time being studied
Prevalence is often expressed as cases per 100 (percentage) or per 1000 population.

223
Q

prevalence vs incidence

both have to do with cases in a population

A

Incidence is a measure of the number of new cases of a characteristic that develop in a population in a specified time period (the number of new cases in a pop. so 14 people in a population have COVID)

prevalence is the proportion of a population who have a specific characteristic in a given time period, regardless of when they first developed the characteristic. (the proportion of cases in a population so 20% of people in a population have COVID)

224
Q

prevalence example

A

You talk to all 200 people in your town on a spring day and find 60 of them have allergy symptoms. The point prevalence of allergies in your town would be 30% or 3 in 10 individuals calculated as:
(60 people with allergy symptoms) / (200 people at risk) = 0.3 = 30%

225
Q

incidence example

A

newly identified cases of a disease or condition per population at risk over a specified timeframe.
[1] An example of incidence would be 795,000 new strokes in the United States, annually.

226
Q

PAR simplified

Population Attributable Risk

A

the proportion of the incidence (the number of case) of a disease in the population that is due to exposure–so the proportion of cases that is due to (or can be attributed to) exposure

how many of the cases are actually due to exposure to the agent? OH OKAY GOTCHA!