Lecture 4- Endocrine and Metabolic Disease Flashcards
The hormones of the adrenal cortex are to maintain:
BP
Related to lack of metal cell pancreatic production of insulin:
DM
Up to 90% of DM cases are:
Type 2
For those that are pregnant, there is a 2-10% risk of getting:
gestational diabetes
For pregnant patient who gets gestational diabetes, they are at an increased risk of ___ in the future
Type 2 DM
Insulin is needed for ___ into cells
sugar absorption
A lack of insulin leads to increased ___, AKA ____
serum glucose
What does hyperglycemia result in?
undernourished tissues
What is responsible for producing insulin?
beta cells of pancreas
T/F: You can get Type 1 DM at the age of 64
True
How many people are type 1 diabetics?
10-20% of diabetics are type 1
Insulin dependent -
Type 1
Type 1 diabetes is considered a ___ disease
autoimmune
What leads to the insulin deficiency in type 1 diabetes?
destruction of pancreatic beta cells
Type 1 diabetes onset is broken down into 3 stages. Which stages are asymptomatic and which are symptomatic?
Stage 1& 2 = asymptotic
Stage 3= symptomatic
Describes how diabetes presents at the MICROVASCULAR level:
- Neuropathy
- Retinopathy
- Nephropathy
(microvascular = opathy’s)
Where are some areas that diabetics can experience neuropathy?
- extemetites
- bladder
- gastroparesis
- impotence (inability to achieve an erecton)
Describe the effects of retinopathy:
- cataracts
- blindness
Describe how diabetes presents at the MACROVASCULAR level:
- peripheral vascular disease
- CHF
- HTN
- MI
- Stroke
Why might a diabetic patient have an increased risk for MI?
Diabetes accelerates atherosclerosis
Describe the effects of diabetes on its the body ability to heal itself:
impaired wound healing and susceptibility to infection
Diabetics release ___ which breaks down soft tissue and contributes to the impaired wound healing ability seen in these patients:
collagenase
Reasons why diabetics struggle with wound healing:
- release of collagenase
- neutrophil dysfunction
- increased pro-inflammatory cytokines
- increase MMPs (Metal metalloproteinaise)
- impaired angiogenesis
- endothelial dysfunction
Type 2 diabetes may also be referred to as:
- adults onset
- non-insulin dependent
In this disease, the pancreas produces insulin but it is low in titers or is does not work properly:
Type 2 DM
What percentage of diabetics are type 2
80-90%
Fasting plasma glucose level-
Normal:
Pre-DM:
Type 2 DM:
Normal: <100mg/dl
Pre-DM: 100-125mg/dl
Type 2 DM: 126+ mg /dl
Oral Glucose Tolerance Test (2hr plasma glucose)
Normal:
Pre-DM:
Type 2 DM:
Normal: Less than 140mg/dl
Pre-DM: 140-199 mg/dl
Type 2 DM: 200+ mg/dl
HgA1C:
Normal:
Pre-DM:
Type 2 DM:
Normal: <5.7%
Pre-DM: 5.7-6.4%
Type 2 DM: 6.5%+
What is a random glucose value in a type 2 diabetic?
Greater than 200 mg/do in patients with symptoms
Measures the glycosylation of HmgA (the protein that connects HmgA where the glucose is attaching to)
A1C
If there is too much glucose in the blood stream, it attaches itself to ____ on the ____
hemoglobin; red blood cells
A stable measure not affected by QD glucose fluctuation:
A1C
A HbA1C measures the amount of:
glycosylation
There is a higher prevalences of ____ in poorly controlled diabetics.
Severe periodontal disease
T/F: According to study, short-term reduction in HbA1C levels at 3-4 months after periodontal intervention occurred, but there was not long term studies
True
T/F: There is a correlation between the severity of periodontitis and the severity of retinopathy
true
If someone has periodontitis + diabetes, this puts them at risk for more ___ & ___ complications
renal & cardiovascular
Severe periodontitis is associated with ____ ulceration
neuropathic foot
All of the diabetic drugs work to:
lower sugar in the blood stream one way or another
List the mechanism of the following diabetic drugs:
- Biguanide (metformin)
- Insulin (rapid, short, LL)
Decrease in gluconeogeneisis
List the mechanism of the following diabetic drugs:
- Sulfonylureas (Glipizide, Chlorpropamide & tolbutamide)
- Glucagon-like peptide 1 (GLP1) receptor agonist (eventide, lirglutide)
Increase in insulin secretion
List the mechanism of the following diabetic drugs:
- Thiazolidinediones (Pioglitazone)
Sensitization to insulin
List the mechanism of the following diabetic drugs:
- Dipeptidyl peptidase 5 (DPP4) (Sitagliptin
- GLP1 receptor agnoist (Exenatides, Liraglutide)
Decrease in glucagon secretion
List the mechanism of the following diabetic drugs:
- Sodium-glucose cotransporter-2 inhibitors- (canaglifozin)
- alpha-glucoside inhibitor- (Acarbose)
Intestinal & renal absorption of glucose
If the body is not getting enough sugar, then it goes to he bodies reserves to get sugar, and it breaks down cholesterol and fats into glucose to provide glucose to the blood stream but there already is glucose in the blood stream, its just not being taken up properly.
A medication that slows down the biofeedback mechanism that the body is telling itself it needs more sugars from the stores even though there is sugar in the blood stream. What medication is this?
Metformin
What are some of the oral manifestations of diabetes?
- xerostomia/dry mouth
- oral burning (not boring mouth syndrome, secondary)
- infections (bacterial, FUNGAL, viral)
- poor wound healing
- increased caries
- increased severity risk of periodontal disease
One way to tell if a diabetic patient has controlled DM or not is by:
fungal infection in the oral cavity (everyone has Candida albicans in the oral cavity, but this becomes opportunistic in diabetics)
Fasting glucose (or 2 hrs post meal) = less than 70 or greater than 200 mg/dl
HbA1C is greater than 8.0%
As a dentist you should:
- DEFER elective treatment
- If emergent, consider referral to hospital/specialized setting
- Send medical consult
Fasting glucose (or 2 hrs post meal) = less than 70 or greater than 200 mg/dl
HbA1C is greater than 8.0%
Discuss prophylactic antibiotics with this patient:
Context-dependent
With diabetes, control of comorbidities and drug interactions include:
- HTN
- HLP
- Other CVD (angina, MI, CHF, stroke)
- Renal impairment
What antibiotics/drugs should be AVOIDED in patients with diabetes?
- Tetracyclines (including doxycycline)- hypoglycemia
- Fluoroquinolones (Cipro, Levo, Leva)- hypoglycemia
- Aspirin with sulfonylureas- hypoglycemia
Many antibiotics should be avoided with diabetic patients that are specifically on ____ because it will cause ____
insulin; hypoglycemia
- tetracycline
- doxycylcine
- ciprofloxacin
- levofloxacin
- levalquin
- (fluroquinolones)
For a diabetic patient aspirin with ____ should be avoided if they are taking insulin due to risk of ____
sufonylureas; hypoglycemia
In patient with diabetes, be aware that sulfonylreas may cause:
thrombocytopenia
What medication may be responsible for thrombocytopenia in diabetic patients?
sulfonylureas
What thing of appointments is best suited for diabetic patients?
Early morning-
Describe how diabetics patients should prepare for a morning appointment:
eat normal meal and take medication(s) prior to appointment
As a dental provider, when treating a diabetic patient you should be aware of and have your patient communicate ____.
In addition, have ____ readily available
symptoms of hypoglycemia; high-concentration sugar products (OJ, cake icing, soft drinks)
____ is not recommended for diabetics as fasting is necessary
oral sedation
In what term does gestational diabetes typically present in a pregnant patient?
mid term: ~24-28 weeks
Between 2nd and 3rd term