Infection control Flashcards

1
Q

Infection Control refers to:
The policies and procedures used to minimise the detection, prevention and management of infection.
These policies refer to:
Ho………………
GP su……………..
N…………../r………………. homes
H……………… ………………..

A
Infection Control refers to:
The policies and procedures used to minimise the detection, prevention and management of infection.
These policies refer to:
Hospitals
GP surgeries
Nursing/residential homes
Healthcare facilities
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Why is Infection Control Important?

Healthcare associated infections (……….):
Infections transmitted to patients as a result of healthcare procedures:
- In ho…………..
-In other healthcare settings.
Recent years have seen an increase in the awareness in HAI’s particularly those caused by …………………………………. ‘super bugs’.

A

Why is Infection Control Important?

Healthcare associated infections (HAI’s):
Infections transmitted to patients as a result of healthcare procedures:
[ In hospital
[ In other healthcare settings.
Recent years have seen an increase in the awareness in HAI’s particularly those caused by antibiotic resistant ‘super bugs’.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Hospital Acquired Infections

Hospital acquired infections are caused by a wide variety of micro organisms:
S……………… a……………..
M……………. re………….. s………… a…………..(MRSA)
E………..
Cl……………… d……………..
Str………………. p……………….

A

Hospital Acquired Infections

Hospital acquired infections are caused by a wide variety of micro organisms:
Staph aureus
Methicillin resistant staph aureus (MRSA)
E.coli
Clostridium dificille
Streptococcus pneumoniae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Why is Infection Control Important?

Estimated that ,,,,,,,,,,% of inpatients have a HAI at one time.
Equivalent to ………………… HAI per year.
Estimated that HAI cause ……………. deaths per year.
Also contribute to ……………….. deaths per year in the UK.
This problem is estimated to cost the NHS at least 1 billion per year.

A

Why is Infection Control Important?

Estimated that 8.2% of inpatients have a HAI at one time.
Equivalent to 280,000 HAI per year.
Estimated that HAI cause 5,000 deaths per year.
Also contribute to 15,000 deaths per year in the UK.
This problem is estimated to cost the NHS at least 1 billion per year.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Why is Infection Control Important?
Hospital acquired infection can be caused by both b…………… and vi…………….
Surgical devices and instruments provide a route of entry for HAI’s.
The most common types of HAI occur in:
The l………….., p…………….. (13.9%)
The u……….. t…………. (19.7%)
S………, su………….. si………. (13.8%
G…………….. system (22%)

A
Why is Infection Control Important?
Hospital acquired infection can be caused by both bacteria and viruses.
Surgical devices and instruments provide a route of entry for HAI’s.
The most common types of HAI occur in:
The lungs, pneumonia (13.9%)
The urinary tract (19.7%)
Skin, surgical sites (13.8%
Gastrointestinal system (22%)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Risk Factors for Hospital Acquired Infections

Underlying illness
Particularly patient on …….. or receiving ……………….
The use of medical devices
….% of urinary tract infections linked to ………..s.
60% of blood infections linked to ……………….s lines.

A

Risk Factors for Hospital Acquired Infections

Underlying illness
Particularly patient on ICU or receiving chemotherapy.
The use of medical devices
80% of urinary tract infections linked to catheters.
60% of blood infections linked to intravenous lines.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Risk Factors for Hospital Acquired Infections

Spread of HAI are also related to:
Bed occupancy …………..
Most NHS hospitals operate

A

Risk Factors for Hospital Acquired Infections

Spread of HAI are also related to:
Bed occupancy rates.
Most NHS hospitals operate <82% bed occupancy.
Some < 98%

Increased movement of patients.
Patient movement within the same hospital.
Patient movement to different hospitals.

The type of hospital.
Teaching hospitals, increased rate of HAI’s.
More vulnerable patients, more complex procedures

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Combating Hospital Acquired Infections
Better Hygiene in the Healthcare Setting:

Improving c…………… and reducing HAI’s were listed as one of the governments priorities in 2008/09.

NHS organisations set a target by 2008 of reducing annual numbers of ……….. s. i…………….. nfections to less than half.

By 2011 a target of 30% reduction in ….difficile infections nationally.

A

Combating Hospital Acquired InfectionsBetter Hygiene in the Healthcare Setting:

Improving cleanliness and reducing HAI’s were listed as one of the governments priorities in 2008/09.

NHS organisations set a target by 2008 of reducing annual numbers of MRSA septicaemia infections to less than half.

By 2011 a target of 30% reduction in C.difficile infections nationally.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Combating Hospital Acquired Infections

Combating Hospital Acquired Infections
The Infection Control Team.
Usually comprise of:
.......... consultant or Doctor.
Infection Control Nurses.
Admi.............. staff.

Roles are:
Advise on measure to tackle HAI’s.
To imp…………….. programmes to stop HAI’s in the first place.
Monitoring and dealing with outbreak situations.
Both within and outside of the hospital setting.
Educate members of staff in Infection Control policies and techniques.

A

Combating Hospital Acquired Infections

Combating Hospital Acquired Infections
The Infection Control Team.
Usually comprise of:
One consultant or Doctor.
Infection Control Nurses.
Administration staff.

Roles are:
Advise on measure to tackle HAI’s.
To implement programmes to stop HAI’s in the first place.
Monitoring and dealing with outbreak situations.
Both within and outside of the hospital setting.
Educate members of staff in Infection Control policies and techniques.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Improving Hygiene

Improving hygiene within healthcare settings.
In particular – hand hygiene
Hygiene practices have improved in recent years.
Standards of cleanliness however ……….. within and between different hospitals.
Many clinicians and patients are still concerned regarding overall cleanliness.

A

Improving Hygiene

Improving hygiene within healthcare settings.
In particular – hand hygiene
Hygiene practices have improved in recent years.
Standards of cleanliness however vary within and between different hospitals.
Many clinicians and patients are still concerned regarding overall cleanliness.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Improving Hygiene

Healthcare Commission survey of adult in-patients reported:
… in …. felt that bathrooms and toilets were not very clean or not clean at all.

A further study of hand hygiene among first year medical students revealed:
…% compliance rate with proper hygiene procedures.

A

Improving Hygiene

Healthcare Commission survey of adult in-patients reported:
1 in 8 felt that bathrooms and toilets were not very clean or not clean at all.
A further study of hand hygiene among first year medical students revealed:
9% compliance rate with proper hygiene procedures.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Hand Hygiene

In 1938 Price established that bacteria found on the hands could be divided into two categories:
Tra…………
Re…………..

Total bacterial counts from Healthcare Workers hands have ranged from:
3….. x 10^4 to 4….. x 10^…. CFU/cm2

The hands of some Healthcare Workers may become persistently colonised with pathogenic f….. for example:
Staph a……………
Y…………..
Gram negative b…………..

A

Hand Hygiene

In 1938 Price established that bacteria found on the hands could be divided into two categories:
Transient
Resident

Total bacterial counts from Healthcare Workers hands have ranged from:
3.9 x 104 to 4.6 x 106 CFU/cm2

The hands of some Healthcare Workers may become persistently colonised with pathogenic flora for example:
Staph aureus
Yeast
Gram negative bacilli

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Hand Hygiene

WHO guidelines on hand hygiene in healthcare indicate that the spread of healthcare associated pathogens from person to person requires 5 steps:
Organisms are present on the patients ………. or have been ………… on inanimate objects immediately surrounding the patient.
Organisms must be transferred to the hands of healthcare workers.
Organisms must be capable of surviving on healthcare workers hands.
Hand hygiene must be in……………… or omitted or the agent used for hand hygiene is inadequate.
The contaminated hand or hands must be in direct contact with another patient or in…………….. objects that will also come into direct contact.

A

Hand Hygiene

WHO guidelines on hand hygiene in healthcare indicate that the spread of healthcare associated pathogens from person to person requires 5 steps:
Organisms are present on the patients skin or have been shed on inanimate objects immediately surrounding the patient.
Organisms must be transferred to the hands of healthcare workers.
Organisms must be capable of surviving on healthcare workers hands.
Hand hygiene must be inadequate or omitted or the agent used for hand hygiene is inadequate.
The contaminated hand or hands must be in direct contact with another patient or inanimate objects that will also come into direct contact.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Patient Screening

Screening within England:
All GP’s or Pre Assessment Clinics
All patients awaiting elective admissions.

2011:
All emergency admissions must also be //////////////.
Greater increase in samples.
More burden to //////////s.

A

Patient Screening

Screening within England:
All GP’s or Pre Assessment Clinics
All patients awaiting elective admissions.

2011:
All emergency admissions must also be screened.
Greater increase in samples.
More burden to laboratories.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Screening

Estimated that up to ....% of patients may be carrying MRSA.
Swabs obtained from:
No.......
Th.............
A..............
G.....................
Any wo.............. site

Screening – close to procedure date as possible

A

Screening

Estimated that up to 5% of patients may be carrying MRSA.
Swabs obtained from:
Nose
Throat
Axilla
Groin
Any wound site
Screening – close to procedure date as possible
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Screening

Screening
Methods of diagnosing MRSA.
Turn around times of ...-.... hours.
Molecular methods significant reduction.
Cost imp....................
Limit to em............. cases?

Ongoing debate:
Is it better to diagnose MRSA at the colon………….. stage or the infe………… stage?
Colonisation stage may make it easier to anticipate isolation measures.

A

Screening

Screening
Methods of diagnosing MRSA.
Turn around times of 24-48 hours.
Molecular methods significant reduction.
Cost implications.
Limit to emergency cases?
Ongoing debate:
Is it better to diagnose MRSA at the colonisation stage or the infection stage?
Colonisation stage may make it easier to anticipate isolation measures.
17
Q

Screening

Positive samples:
Measures taken to limit the spread of any hospital acquired infections:
Patients i…………….. in side rooms/i………….. ward.
Physically segregating patients to one area of the ward with se……….. n……… staff.
Healthcare workers using physical barrier precautions:
Gow…..
Gl…….
Ma…………..

A

Screening

Positive samples:
Measures taken to limit the spread of any hospital acquired infections:
Patients isolated in side rooms/isolation ward.
Physically segregating patients to one area of the ward with separate nursing staff.
Healthcare workers using physical barrier precautions:
Gowns
Gloves
Masks

18
Q

Surveillance

2001 HPA introduced:
Mandatory surveillance of M……… blood infections.

2003 and 2004:
Surveillance of Gly………… Re…………. En……………….
Surveillance of C.dif………………

Nosocomial Infection National Surveillance Scheme (NINSS)
Voluntary su…………scheme.

A

Surveillance
2001 HPA introduced:
Mandatory surveillance of MRSA blood infections.

2003 and 2004:
Surveillance of Glycopeptide Resistant Enterococci.
Surveillance of C.difficile.

Nosocomial Infection National Surveillance Scheme (NINSS)
Voluntary surveillance scheme.