The objective was to describe the metabolic outcomes 12 months after bariatric surgery (Roux-N-Y) in morbidly obese Hispanic patients, and evaluate the correlation between weight loss and the observed changes. Medical records from a hundred-and-two Hispanic obese patients who underwent bariatric surgery were identified at the University of Puerto Rico (UPR) Hospital. The following variables were obtained before and 12 months after surgery: Body Mass Index (BMI), body weight, total cholesterol (TC), triglycerides, high density lipoprotein (HDL), low density lipoprotein (LDL), and fasting blood sugar (FBS). Ninety-seven percent of patients underwent Roux-N-Y surgery; 79.4% were females and 44% were diabetics. We observed statistically significant reductions (p < 0.05) 12 months after surgery in: BMI -14.3 (± 6.2) kg/m2, weight -86.1 (± 34.4) Ibs, TC -17.9 (± 32.4) mg/dL, triglycerides -28.7(± 40.6) mg/dL, LDL-15.4 (± 30.6) mg/dL, and FBS -11.3 (± 23.5) mg/dL. HDL, instead increased +5.22 (± 12.9) mg/dL (p < 0.0006). Gastric bypass surgery of the Roux-N-Y significantly improves the lipid profile and FBS levels in obese Hispanic patients. The poor correlation factor between weight loss and these variables suggests that other mechanisms, independent from weight loss, are responsible for these changes.
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