William W Chang1, Devon N Hawkins2, Joel R Brockmeyer2, Byron J Faler2, Samuel W Hoppe2, Balakrishna M Prasad3. 1. Department of General Surgery, Dwight D. Eisenhower Army Medical Center, Fort Gordon, Georgia. Electronic address: William.w.chang2.mil@mail.mil. 2. Department of General Surgery, Dwight D. Eisenhower Army Medical Center, Fort Gordon, Georgia. 3. Department of Clinical Investigations, Dwight D. Eisenhower Army Medical Center, Fort Gordon, Georgia.
Abstract
BACKGROUND: Bariatric surgery provides sustained weight loss and improves comorbidities. However, long term data has shown that patients gradually regain weight after 1 year. Several factors have been associated with poor weight loss after bariatric surgery. OBJECTIVE: Our goal is to investigate factors associated with poor weight loss following laparoscopic sleeve gastrectomy (SG) and Roux-en-Y gastric bypass (RYGB). SETTING: Military academic medical center. METHODS: Retrospective review of 247 patients who underwent laparoscopic SG or RYGB between 2010-2012 at Eisenhower Army Medical Center and followed for 5 years postoperatively. Factors of age, type of surgery, sex, hypertension, depression, and type 2 diabetes (T2D) are analyzed in univariate and multivariate analysis with percent total weight loss (%TWL) and Body Mass Index (BMI) change as primary endpoints measured at 3 and 5 years. RESULTS: Average BMI change are maximized at 1 year and decreased at 3 and 5 years post-surgery. Age, diabetes, hypertension and type of surgery significantly influenced weight loss at 3 and 5 years on univariate analysis. However, patients with diabetes, hypertension and sleeve gastrectomy were significantly older than comparable control group. Multivariable analysis showed that age and type of surgery, not diabetes or hypertension, were associated with poor %TWL and BMI change at 3 and 5 years. CONCLUSION: While presence of hypertension and diabetes initially appeared to be associated with weight recidivism, their impacts were negligible on multivariable analysis. However, age and sleeve gastrectomy are independent risk factors. Our data can be used to counsel patients on expected weight loss after bariatric surgery. Published by Elsevier Inc.
BACKGROUND: Bariatric surgery provides sustained weight loss and improves comorbidities. However, long term data has shown that patients gradually regain weight after 1 year. Several factors have been associated with poor weight loss after bariatric surgery. OBJECTIVE: Our goal is to investigate factors associated with poor weight loss following laparoscopic sleeve gastrectomy (SG) and Roux-en-Y gastric bypass (RYGB). SETTING: Military academic medical center. METHODS: Retrospective review of 247 patients who underwent laparoscopic SG or RYGB between 2010-2012 at Eisenhower Army Medical Center and followed for 5 years postoperatively. Factors of age, type of surgery, sex, hypertension, depression, and type 2 diabetes (T2D) are analyzed in univariate and multivariate analysis with percent total weight loss (%TWL) and Body Mass Index (BMI) change as primary endpoints measured at 3 and 5 years. RESULTS: Average BMI change are maximized at 1 year and decreased at 3 and 5 years post-surgery. Age, diabetes, hypertension and type of surgery significantly influenced weight loss at 3 and 5 years on univariate analysis. However, patients with diabetes, hypertension and sleeve gastrectomy were significantly older than comparable control group. Multivariable analysis showed that age and type of surgery, not diabetes or hypertension, were associated with poor %TWL and BMI change at 3 and 5 years. CONCLUSION: While presence of hypertension and diabetes initially appeared to be associated with weight recidivism, their impacts were negligible on multivariable analysis. However, age and sleeve gastrectomy are independent risk factors. Our data can be used to counsel patients on expected weight loss after bariatric surgery. Published by Elsevier Inc.
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