Preoperative Binge Eating Status and Gastric Bypass Surgery: A Long-Term Outcome Study
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The primary purpose of the study was to evaluate the effect of preoperative binge status on long-term weight loss outcomes.
IRB approval was obtained. This prospective study was initiated in 1997 at a large teaching hospital. Adult patients who participated in the study and attended post-surgery clinic visits for at least 12 months were included. Patients completed the gormally binge eating scale (BES), the beck depression inventory (BDI), and the SF-36 at baseline prior to surgery. All data are expressed as mean ± SD. Data were analyzed using a Student’s t test, pairwise correlation and regression analysis as appropriate.
A total of 157 patients (135 women) aged 45 ± 10 years were recruited. Their preoperative BMI was 50.7 ± 8.0 kg/m2. Thirty-seven patients were classified as severe binge eaters (BES ≥ 27) prior to surgery. There was no significant difference in their weight loss compared to the rest of the group at any time point up to 6 years after surgery. Patients with significant depressive symptoms (BDI >13) had no significant difference in their weight loss outcomes compared to the rest of the group. Pre-surgery SF-36 scores did not predict differences in weight loss outcome.
Pre-surgical binge status, incidence of depressive symptoms and health related quality of life were not predictive of poor weight loss outcomes in patients up to 6 years after gastric bypass surgery, who were able to make lifestyle changes in preparation for surgery and who adhered to scheduled post surgery clinic visits.
KeywordsBariatric surgery Binge eating Depression Quality of life Weight loss
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