415.2 ð åèçïŒé«åž«åè / PGY OSCEïŒ
415.2.0.1 ð Cram Sheet
415.2.0.1.1 ð¥ é« yield 12
- Treatment goal: 5-10% lifestyle, 15-20% drug, 25-30% bariatric
- Lifestyle foundation: 500-750 kcal deficit + 150-300 min/wk + behavior + sleep
- Drug indication: BMI ⥠30 OR ⥠27 + comorbidity
- Tirzepatide (Zepbound): best class, ~ 20% weight; SC weekly
- Semaglutide (Wegovy): ~ 15% weight; SC weekly
- Liraglutide (Saxenda): ~ 8%; daily SC
- Phentermine-topiramate (Qsymia): ~ 9%; teratogenic
- Naltrexone-bupropion (Contrave): ~ 5%
- Orlistat: ~ 3%; GI SE
- Setmelanotide: MC4R/POMC/LEPR/BBS monogenic
- Retatrutide (phase 3): triple agonist, ~ 24%
- Bariatric AACE 2024: BMI ⥠35 OR 32-35 + comorbidity (Asian lower)
415.2.0.1.2 ð¢ å¿ è
| é ç® | æžå |
|---|---|
| Lifestyle weight loss | 5-10% |
| Drug weight loss range | 5-20% |
| Bariatric weight loss | 25-30% |
| Caloric deficit | 500-750 kcal/d |
| Exercise | 150-300 min/wk |
| Semaglutide max | 2.4 mg/wk |
| Tirzepatide max | 15 mg/wk |
| Bariatric BMI threshold | ⥠35 (AACE 2024) |
| Bariatric + comorbidity | 32-35 |
| Pediatric GLP-1 age | ⥠12 yr |
| Pediatric bariatric | ⥠13 yr selected |
415.2.0.2 â é« yield
415.2.0.2.1 Drug Comparison
| Drug | Weight Loss | Mechanism | SE |
|---|---|---|---|
| Semaglutide 2.4 mg | ~ 15% | GLP-1 RA | GI |
| Tirzepatide 15 mg | ~ 20% | GIP+GLP-1 | GI |
| Liraglutide 3 mg | ~ 8% | GLP-1 RA | GI |
| Phentermine-topiramate | ~ 9% | Sympathomimetic + anti-seizure | Teratogenic, tachy |
| Naltrexone-bupropion | ~ 5% | Opioid antagonist + DA/NE | Nausea, BP |
| Orlistat | ~ 3% | Lipase inhibitor | GI oily stool |
| Setmelanotide | varies | MC4R agonist | Monogenic |
| Retatrutide (phase 3) | ~ 24% | GLP-1+GIP+glucagon | TBD |
| Cagrilintide+semaglutide | ~ 22% | Amylin + GLP-1 | TBD |
415.2.0.2.2 Bariatric Procedures
| Procedure | Weight Loss | T2DM Remission | Risks |
|---|---|---|---|
| Sleeve gastrectomy | 20-25% | 50-60% | GERD, leak |
| RYGB | 25-30% | 60-80% | Dumping, hypoglycemia, malabsorption |
| Adjustable band | < 20% | < 50% | Less common now |
| BPD | > 30% | > 80% | Severe malabsorption |
| Endoscopic balloon | 10-15% | minor | Temporary |
| ESG | 15-20% | minor | Endoscopic |
415.2.0.2.3 Bariatric Indications (AACE 2024)
- BMI ⥠35 (regardless comorbidity)
- BMI 32-35 + comorbidity (T2DM, HTN, NASH, OSA)
- Asian-specific lower thresholds (BMI 30 + comorbidity in some guidelines)
- Pediatric ⥠13 yr severe + comorbidity (ASMBS)
415.2.0.3 ð¯ èªææª¢æž¬
- Lifestyle weight loss target? â 5-10%
- Drug indication BMI? â ⥠30 OR ⥠27 + comorbidity
- Tirzepatide weight loss? â ~ 20%
- Semaglutide weight loss? â ~ 15%
- Liraglutide dose obesity? â 3 mg/d
- Bariatric AACE 2024 BMI? â ⥠35 OR 32-35 + comorbidity
- Sleeve vs RYGB DM remission? â RYGB higher
- Setmelanotide for? â MC4R/POMC/LEPR/BBS
- Retatrutide phase? â 3 (triple agonist ~ 24%)
- Pediatric GLP-1 age? â ⥠12 yr
- Pediatric bariatric? â ⥠13 selected
- Phentermine-topiramate teratogenic? â Yes (topiramate)
- Naltrexone-bupropion CI? â Uncontrolled HTN, opioid
- Orlistat SE? â GI oily stool, ADEK
- Post-bariatric supplementation? â Lifelong B12, iron, Ca/D, multi
- Post-RYGB hypoglycemia? â Dumping; dietary modification + acarbose
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