Obesity Flashcards
BMI =
Weight (kg)/Height (m)^2
Normal BMI Range
18.5-24.9
Overweight BMI Range
25-29.9
Obese BMI Range
30 and above
BMI Range for Obesity Class I
30-34.9
BMI Range for Obesity Class II
35-39.9
BMI Range for Obesity Class III
40 and over
What are the mainstay of treatment for obesity
Diet
Exercise
Life-style modifications
What is the first line drug therapy for treatment of obesity?
Orlistat
*Can be continued for up to 4 years
Bariatric Surgery is indicated in patients who…..
have earnestly tried other means of losing weight and have been unsuccessful
Best evidence for Bariatric Surgery seen in patients with BMI….
over 40
Bariatric Surgery is effectivve in decreasing….
comorbidities of obesity and thus decrease mortality (29%)
Bariatric Surgery effectiveness is based on 2 mechanisms
Restriction of intake (small stomach reservoir) and Malabsorption via decreasing small bowel length
Compare restrictive and malabsorption techniques in Bariatric surgery in terms of ease and efficacy.
Restrictive technique is easier and have less complication rates, but result in less weight loss than malabsorption techniques
What is the most common procedure done in Bariatric Surgery?
Laparoscopic Roux-en-Y Gastric Bypass
Drug types associated with weight gain:
Glucocorticoids some beta blockers some antipsychotics antidepressants anticonvulsants some antidiabetic drugs (including insulin)
Visceral Fat
more metabolically active fat that releases free fatty acids into the portal system, contributing to hyperlipidemia, hyperinsulinemia, atherogenesis
Abnormal Waist Circumference measures…
central obesity which is a surrogate estimate for visceral fat
Abnormal Waist circumference for Males_____, for females_____
Males: >102cm (40 in)
Females: >88cm (35 in)
Metabolic syndrome
coexistence of metabolic risk factors for type II DM and coronary heart disease
Recommended exercise guidelines
minimum of 30 minutes of moderate physical activity, 5 or more days per week
In all patients with a BMI >25, these labs should be obtained:
Fasting blood glucose,
Hgb A1C
Serum Creatinine
Fasting lipid profile
Drug therapies for obesity/weight are usually considered in patients with:……..
BMI of 30 or more
BMI of 27 or more with comorbidities
Orlistat mechanism of action
blocks lipase, thus inhibiting fat absorption in the intestine
