Comparison Between Gastric Band, Laparoscopic Sleeve Gastrectomy, Gastric Bypass Surgeries

Obese Adolescents

bariatric_surgery, pediatric obesity, diabetes

Determine the short and long term safety and efficacy of the Gastric bypass , laparoscopic sleeve gastrectomy, and Gastric banding (LAGB) on severely obese adolescents. The procedure selection is made by the patient or patient and guardian. This is not a randomized trial.

Twenty-six obese adolescents with plans to undergo bariatric surgery for clinical treatment will be recruited for research study during screening process at the Yale Adolescent Bariatric Surgery Clinic. After the appropriate discussion with surgeon, the choice of procedure will be made by subject and legal guardian. Every bariatric patient must have completed the thorough six-month evaluation period established by the Yale's Adolescent Bariatric Clinic. This standard of care pre-operative testing provides as a screening tool to ensure every adolescent bariatric patient is mentally and physically appropriate for this surgery. * Monthly visits with clinician (Pediatric Obesity/Diabetology Expert) and dietician to discuss lifestyle change management and anthropometric measures. * Psychiatrist or psychologist to screen for depression, uncontrollable psychosis, suicidal ideation, and hostile or unsupportive family environment. * Bone age will be obtained to ensure subject has reached or near full growth potential. * Pediatric Cardiology for echocardiogram to rule out left ventricular hypertrophy. * Oral glucose tolerance test to assess glucose status and degree of insulin resistance. * Blood work to assess hepatic and kidney function, nutritional deficiencies, hormonal profile, and hyperlipidemia. * Pediatric Pulmonary for sleep study and Pulmonary Function Tests (PFTs) to rule out obstructive sleep apnea. When a subject is approved for surgery, he or she will meet with Bariatric Surgeon to discuss benefits and risks of each bariatric surgery. After the appropriate discussion with surgeon, the choice of procedure will be made by subject and legal guardian. For research purposes, we seek to monitor the progress of the patients enrolled in Yale's Adolescent Bariatric Surgery Clinic. Collecting pre and post long term operative data will allow us to describe this efficacy and potential complications that arise with RYGB vs LAGB. As standard of care, all subjects will have undergone pre-operative testing established by Adolescent Bariatric Surgery Clinic before any of the bariatric surgeries. For research purposes: 1. Month prior to Surgery * Oral Glucose Tolerance Test (OGTT) * Abdominal MRI (weight must not exceed 140 kg) * DNA blood extraction During RYGB or LAGB Surgery * Liver Biopsy * Visceral (omental fat) and Subcutaneous Fat Biopsy Data collection will continue for 24 months post-operatively and include both research testing and standard of care clinical appointments. Post Surgery 2 week 2 months 3 months 6 months 12 months 24 months Standard Of Care Post-op Post-op Post-op Post-op Post-op Post-op Anthropometric X X X X X X Measures Hemoglobin A1c X X X X X 2. Week 2 Month 3 Month 6 Month 12 Month 24 Month Post Surgery (research) Post-op Post-op Post-op Post-op Post-op Post-op OGTT X X X Abdominal MRI X X X X X X Anthropometric Measures and HBA1c Anthropometric measures will be done at study enrollment, monthly leading up to the surgery RYGB or LAGB, and 2 weeks, 2 months, 3 months, 6 months, 12 months and 24 months post operatively. These measures include height, weight, BMI, BMI Z score, systolic and diastolic blood pressure, resting heart rate, % fat mass, and total fat mass. Demographic data includes ethnicity and family income. HbA1c will be completed at the 3, 6 , 12, and 24 month post operative time period.

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