Benefits and complications of the duodenal switch/biliopancreatic diversion compared to the Roux-en-Y gastric bypass

Background Despite providing superb excess weight loss and increased resolution of comorbid diseases, such as type 2 diabetes mellitus, compared to other bariatric procedures, the duodenal switch/ biliopancreatic diversion (DS/BD) has not gained widespread acceptance among patients and physicians. I...

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Published in:	Surgery 2012-10, Vol.152 (4), p.758-767
Main Authors:	Dorman, Robert B., MD, PhD, Rasmus, Nikolaus F., BA, al-Haddad, Benjamin J.S., MS, Serrot, Federico J., MD, Slusarek, Bridget M., BS, Sampson, Barbara K., MS, Buchwald, Henry, MD, PhD, Leslie, Daniel B., MD, Ikramuddin, Sayeed, MD
Format:	Article
Language:	eng
Subjects:	Adult Bariatric Surgery - adverse effects Bariatric Surgery - methods Biliopancreatic Diversion - adverse effects Biological and medical sciences Diabetes Mellitus, Type 2 - complications Female Gastric Bypass - adverse effects General aspects Humans Hyperlipidemias - complications Hypertension - complications Male Medical sciences Middle Aged Obesity, Morbid - complications Obesity, Morbid - pathology Obesity, Morbid - surgery Postoperative Complications - etiology Retrospective Studies Stomach, duodenum, intestine, rectum, anus Surgery Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases Surgery of the digestive system Treatment Outcome Weight Loss
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Summary:	Background Despite providing superb excess weight loss and increased resolution of comorbid diseases, such as type 2 diabetes mellitus, compared to other bariatric procedures, the duodenal switch/ biliopancreatic diversion (DS/BD) has not gained widespread acceptance among patients and physicians. In this study, we investigated outcomes, symptoms and complications among postsurgical DS patients compared to RYGB patients. Methods We used propensity scores to retrospectively match patients who underwent DS/BD between 2005 and 2010 to comparable Roux-en-Y gastric bypass (RYGB) patients. We then reviewed patient charts, and surveyed patients using the University of Minnesota Bariatric Surgery Outcomes Survey tool to track outcomes, comorbid illnesses and complications. Results One hundred ninety consecutive patients underwent primary DS/BD between 2005 and 2010 at the University of Minnesota Medical Center. There were 178 patients available for follow-up (93.7%) who were matched to 139 RYGB patients. Type 2 diabetes, hypertension, and hyperlipidemia all significantly improved in each group. Improvements were significantly higher in the DS/BD group. Percent total weight loss was not different between groups. Loose stools and bloating symptoms were more frequently reported among DS/BD patients. With the exception of increased emergency department visits among DS/BD patients ( P < .01), overall complication rates were not significantly different between DS/BD and RYGB. There was no difference in mortality rates between the groups. Conclusion The DS/BD is a robust procedure that engenders both superior weight loss and improvement of major comorbidities. Complication and adverse event rates are similar to those of RYGB.
ISSN:	0039-6060 1532-7361