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PBDII Exam 4
Dr.Katovich Diabetes
82
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Professional
04/02/2011

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Cards

Term
____________ million people have diabetes whereas 30% of people over 20 have _____________.
Definition

26

Pre-diabetes

Term
What % of people who are diabetics "dont do it"--dont follow docs advice?
Definition
60%
Term
The annual health care cost for a diabetic is ___ as much as a non diabetic.
Definition
3x
Term
There is someone diagnosed with diabetes in the US every _______ seconds. 
Definition
20 seconds
Term
A person with diabetes is ________ as likely of dieing from a CV disease and __________ more likely to die from cancer!
Definition

twice

25% more

Term
Which country has the highest incidence of diabetes cases?
Definition
India
Term
Which country has the highest incidence for type 1 diabetes in children?
Definition
Finland
Term
T/F:  Diabetes is the fastest growing chronic disease and is the 6th leading cause.  285 million people worldwide in 2010.
Definition
True
Term
Which ethnic group has the highest prevalence of diabetes?
Definition
Native Americans > Black > Hispanic > Whites
Term
75 % of all deaths from diabetes are __________ related.
Definition
CV
Term
Why is diabetes a major contributing cause of MI, Cerebrovascular disease, and PVD?
Definition
Cuz of its vascular complications
Term
T/F: Patients need more education.  2/3 dont consider CV diseases to be a risk for diabetes.
Definition
True
Term

Diabetes Mellitus can be defined as a genetically determined disorder of _______________ of _____________.  Which is manifest ultimately by _____________ and a loss of carbohydrate tolerance.

Not a single disease.

Definition

Metabolism of heterogeneous etiology.

Insulin deficiency

Term

Diabetes can be either (partial) = Type ______

or can be absolute = Type _______.

Definition

2

1

Term
What metabolic and vascular components occurs with Diabetes?
Definition

1. Hyperglycemia

2. Large vessel disease

3. Microvascular disease

4. Neuropathy

Term
What symptoms do you see with hyperglycemia?
Definition

Eat alot, pee alot, drink alot

(polyuria, polyphagia, polydispia)

 

Also see glycosuria

Term
What is an example of a large vessel disease that can occur with Diabetes?
Definition
Atherosclerosis
Term
Microvascular diseases usually effect these vessels ____________. Most likely in the eye and kidney.
Definition
Capillaries
Term
Define neuropathy.
Definition
Sensory, motor and autonomic dysfunction
Term
How do you diagnose Diabetes?
Definition

1. FPG (fasting plasma glucose in 8 hr) 2.

 2 hr OGTT (oral glucose tolerance test)

 3. Random blood sample of plasma glucose

4. A1C test

 

 

Term
To be diagnosed with Diabetes what FPG should you have?
Definition
> 126 mg/dl  on more than 1 occasion
Term
To be diagnosed with Diabetes what OGTT should you have?
Definition
>200 mg%
Term
If taking a random blood sample to determine plasma glucose, what should you have to be diagnosed with diabetes?
Definition
>200 mg% combined with classic symptoms
Term
A1C testing is for Type 2 diabetes and for pre-diabetes. What are the respective values to be diagnosed with?
Definition

Type 2 = A1C > 6.5%

Pre = A1C between 5.7% - 6.4%

Term
What is the normal A1C for non diabetic?
Definition
under <5%
Term
Instead of the A1C, a diabetic person can use __________ to have there A1C expressed in mg/dl (which is what they are familiar with)
Definition
eAG
Term
Each unit of A1C ~ ______ mg% blood glucose.
Definition
29mg%
Term
What are some classical symptoms of diabetes?
Definition

1. Triad (Polydipsia, polyphagia, polyuria)

2. weight loss

3. Nocturia

4. Visual changes

5. Lethargy

6. Chronic skin infections

7. Neuropathic symptoms (numbness, pain)

Term
What is done if one tests positive for diabetes?
Definition
Do another test on a subsequent day
Term
Why is a urine test recommended annually in Diabetic patients?
Definition
Because urinary microalbuminuria is correlated with an increase in renal and CV risks.
Term
Which has more glucose; plasma or whole blood?
Definition
Plasma.  by 10-15%
Term
Impaired Glucose tolerance is aka __________.
Definition
Pre-Diabetes
Term
Type _____ accounts for 5-10% of all diabetes cases.
Definition
1
Term
T/F: Type 1 Diabetes is greater in Hispanic.
Definition
False; in White
Term
With Type 1 Diabetes there is no ___________ and the onset is usually < __________.
Definition

Endogenous insulin (need insulin for rest of life)

40 yrs (dramatic onset)

Term
What are the clinical manifestations for Type 1 Diabetes?
Definition

1. Thirst

2. Frequent pee

3. Weight loss

4. Fatigue

5. Ketones

Term
Which type of Diabetes has a greater family history for its cause?
Definition

Type 2

 

(less common in Type 1)

Term
Which cell of the pancreas is damaged in Type 1 Diabetes?
Definition
Beta-cell
Term
T/F: Type 1 Diabetes has a slower onset and severe hyperglycemia can occur.
Definition
False; it has a sudden onset (faster)
Term
What was the concordance rate in twins who were Type 1 Diabetics?
Definition
< 50%
Term
Type 1 Diabetes has an autoimmune component.  Which HLA are linked to diabetes and are found in 95% of patients?
Definition
HLA-DR3 and HLA-DR4
Term
Which HLA provides weak protection against Type 1 Diabetes?
Definition
HLA-DR5
Term
Which HLA are protective against Diabetes?
Definition

HLA-DR2

HLA-DR11

HLA-DR 15

Term
Individuals with heterozygote - DR3 and DR4 are ____________  at a greater risk.
Definition
20-40X
Term
Circulating ________ are found at the time of diagnosis in virtually all Type 1 patients
Definition
Autoantibodies
Term
What is ICA?  It is found in 70-85% of Type 1 patients and about 5% in Type 2.
Definition
Islet cell autoantibodies
Term
Type 1 Diabetics have a higher secretion of ____________ which is restored with insulin therapy.
Definition
Glucagon
Term
There is an increase in these coutner regulatory hormones in Type 1 Diabetes.
Definition

1. GH

2. Cortisol

3. Catecholamines

Term
What happens to a Type 1 patient who does not get insulin?
Definition
Accelerated lipolysis and eventually will get ketoacidosis
Term
Type 2 Diabetes accounts for _______% of all diabetes cases.
Definition
90-95%
Term
T/F: 30-50% of Type 2 patients are undiagnosed.
Definition
True
Term
Patients with Type 2 have the disease __________ yrs before they are diagnosed.
Definition
7-10 years
Term
What is the concordance rate for Type 2 Diabetes?
Definition
100% (shows strong genetic predisposition)
Term
What is the typical age of onset for Type 2?
Definition
> 40 yrs
Term
Type 2 is strongly correlated with ______________, having 60-80% more than 15% over the ideal.
Definition
Obesity
Term
What % of Americans are clinically obese?
Definition

30%

(We're number 1)

Term
What are the clinical manifestations of Type 2 Diabetes?
Definition

1. Nonspecific,  Asymptomatic

2. Insidious (creeps up on you)

3. Overweight

4. Fatigue, visual changes, sensory problems

5. Macrovascular complications

Term
Type 2 Diabetes is characterized by _____________ and ____________.
Definition

1. Fasting hyperglycemia = Due to impaired B-cell function and reduced insulin secretion.

2. Marked impaired glucose tolerance = makes insulin resistance

Term
Why are obesity and age major risk factors for Type 2?
Definition

1. TNF-a levels are increased in obesity

2. Glut 4 and Glut 2 levels are decreaesd

Term
What defects in insulin secretion are there in Type 2?
Definition

1. Decreased Glut 2

2. First phase insulin release is suppressed

3. Beta cell desenitization

Term
Why is there an increase in glucose production in Type 2?
Definition

1. Increase in glucagon synthesis

2. Increase in mobilization of FFA

3. Inhibition of glucose utilization

4. Less inhibition of glycogenolysis/gluconeogensis

Term
Why do Type 2 Diabetes patients have insulin resistance?
Definition

1. Abnormal gluc transporters

2. Liver dysfunction (fail to respond to insulin)

3. Receptor downregulation

4. Deficiency of Glycogen synthesis

Term
Generally speaking, why do you see hyperglycemia in Type 2 diabetes?
Definition
More glucose production and less glucose utilization
Term
In Type 2, if the islet cells do not function normally then they cannot overcome what?
Definition
Insulin resistance
Term
What happens to incretin in Type 2?
Definition
About 50% of postprandial insulin-incretin (GLP) is diminished or absent
Term
Gestational Diabetes accounts for 4% of pregnant women.  There is a higher ethnic implication in ___________.
Definition
Asian> Hispanic> Black> White
Term
What are the new proposed criteria for diagnosing pregnant women to have GDM?
Definition

FPG = >92 mg%

or an OGTT (in 1 hr) = 180 mg%

or in 2 hr = >153 mg%

Term
The new guideline for GDM says to test all pregnant women who have risk factors at their _____________.
Definition
First prenatal visit
Term
Because diagnosis at the first prenatal visit would not be of GDM but rather Type 2, you should use the _______ OGTT at the 24-28 wk of gestation.
Definition
75g
Term
If pregnant and have an A1C> 10.3 then there is 4x increase in fetal lung development retardation. Why?
Definition
Hyperinsulinemia and Hyperglycemia decrease the levels of surfactants which keep the lungs open.
Term
What is macrosomia and why does it occur in GDM?
Definition

It is having a baby that weighs more than 9 lbs.

There is more fetal insulin so more growth.

 

(the offspring is greater risk for obesity and Type 2 in adulthood)

Term
Why do you see infant hypoglycemia at birth?
Definition
There were use to high insulin in utero.
Term
GDM mothers have a ____% chance of developing Type 2 Diabetes in the next 5-10 yrs.
Definition
60%
Term
GDM increases the risk that their children will have _____________ and the daughters will have ____________.
Definition

Type 2 Diabetes

GDM

Term
What is the criteria for pre-diabetes?
Definition
FPG >100mg% but <126 mg%
Term
What are some risk factors for Pre-diabetes?
Definition

1. Age

2. Lack of exercise

3. Family history of Type 2

4. Overweight

5. Previous GDM

Term
Prediabetics have a _______% chance to develop diabetes in 30 yrs.
Definition
75%
Term
What are the ABCs?
Definition

A1C

Blood pressure

Cholesterol

Term
A1C is glycosylated HgB, what is the target % for Diabetes patients?
Definition
< 7%
Term
73% of diabetics are on anti-hypertensive drugs, the B.P. target is ________.
Definition
< 130/80
Term
What are the target goals for cholesterol in Diabetes patients?
Definition

LDL < 100 mg/dl

HDL > 50 mg/dl (women)  >40 (men)

TG< 150 mg/dl

Term
What % of doctors did not know what the ABCs are?
Definition
90%
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