Adult Obesity & Metabolic Syndrome Flashcards
How many categories is obesity divided into?
3 Categories:
30-34.9 = High
35-39.9 = Very high
40 + = severe
When is BMI not the perfect measure?
- Cannot distinguish between lean and fat mass
- Elderly, ethnic groups, large muscle mass
- Central obesity
BMI generally underestimates degree of adiposity
Waist Circumference
Health risk of obesity influenced by BMI and the way that body fat is distributed
Abdominal adiposity = DM, HTN, CAD, and dyslipidemia
Men: 40 or more
Women: 35 or more
Why is abdominal obesity bad?
- Release of FFA into bloodstream, which goes to liver
- Increased VAT correlates with insulin resistance only if there are increased intrahepatic TGs.
Metabolic syndrome
- Almost always have abdominal obesity
- Abnormalities in glucose, blood pressure, lipids, proinflammatory/prothrombotic state.
Criteria for metabolic syndrome
- Waist circumference cutoffs (men: 40, women: 35)
- TG >150 mg/dL
- HDL-C (men: 130/85)
- Fasting glucose > 110 (or 100)
Must have 3 of the 5
Why are we gaining weight and what are the possible causes of obesity
- Obesity is caused by long-term positive energy balance
- Gene-environment interaction in the pathogenesis of obesity
- Costs more to be healthy
Regulation of food intake
Complex appetite regulation. Pharm industry hasn’t made a safe option
Initial office visit
- Eval of obesity related disease within Hx, PE, labs
- Obtain weight and weight loss history, eating, and activity behaviors
- Search for trigger factors
- Measurements (height, weight, BMI)
- categorize obesity classification and health risk
- Determine readiness
- Tx plan with other people
- Set goals (realistic)
Drugs assoc with weight gain
- Steroids
- Antipsychotics
- Antidepressants
- Diabetes drugs (TZD, insulin, sulfonylureas)
- Hormonal agents
Secondary causes of obesity
Uncommon
- Low metabolism
- Hypothyroidism
- Cushing’s syndrom
- Prader Willi, Down’s
- Hypothalamic disorders
Assessing weight loss readiness
- Motivation
- Stress level
- Psychiatric issues
- Time availability