Effect of preoperative weight loss on laparoscopic gastric bypass outcomes

Surgery for Obesity and Related Diseases : Official Journal of the American Society for Bariatric Surgery
Kevin P RiessShanu N Kothari

Abstract

Requiring patients to lose weight before weight reduction surgery is controversial. The goal of this study was to determine whether preoperative weight loss affects laparoscopic Roux-en-Y gastric bypass surgery outcomes. The medical records of all laparoscopic Roux-en-Y gastric bypass patients from September 1, 2001 to March 31, 2005 were retrospectively reviewed in our prospective database. Depending on their habitus, patients were selectively required to lose >4.54 kg (10 lb) preoperatively (WL group). Their outcomes were compared with those of the patients not required to lose weight preoperatively (no-WL group). Statistical analysis was performed with the chi-square test and Student's t test for demographic data. Student's t test was used to assess the outcome data. P <.05 was considered significant. Of the 353 patients, 74 (21%) were in the WL group. The operative times in the WL group averaged 10 minutes longer than in the no-WL group (P = .022). The mean length of stay was not significantly different between the 2 groups. Of the 353 patients, 262 (74%) completed 1 year of follow-up. The mean net postoperative weight loss was not significantly different between the 2 groups. The no-WL patients had a greater percentage of ...Continue Reading

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Citations

Dec 21, 2013·Obesity Surgery·Salvatore Giordano, Mikael Victorzon
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May 31, 2011·Surgery for Obesity and Related Diseases : Official Journal of the American Society for Bariatric Surgery·Stacy Brethauer
Nov 11, 2008·Surgery for Obesity and Related Diseases : Official Journal of the American Society for Bariatric Surgery·Emily J JantzShanu N Kothari
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