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Obesity Surgery
Published in: Obesity Surgery 1/2017

Open Access 01-01-2017 | Original Contributions

Roux-En-Y Gastric Bypass Vs. Sleeve Gastrectomy: Balancing the Risks of Surgery with the Benefits of Weight Loss

Authors: Corey J. Lager, Nazanene H. Esfandiari, Angela R. Subauste, Andrew T. Kraftson, Morton B. Brown, Ruth B. Cassidy, Catherine K. Nay, Amy L. Lockwood, Oliver A. Varban, Elif A. Oral

Published in: Obesity Surgery | Issue 1/2017

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Abstract

Background

The purpose of the study was to compare weight loss, metabolic parameters, and postoperative complications in patients undergoing Roux-en-Y gastric bypass (GB) and sleeve gastrectomy (SG).

Methods

We retrospectively studied 30-day postoperative complications as well as change in weight, blood pressure, cholesterol, hemoglobin, hemoglobin A1C, and creatinine from baseline to 2, 6, 12, and 24 months postoperatively in 383 patients undergoing GB and 336 patients undergoing SG at the University of Michigan from January 2008 to November 2013. For a study population which typically has high attrition rates, there were excellent follow-up rates (706/719 at 2 months, 566/719 at 6 months, 519/719 at 12 months, and 382/719 at 24 months).

Results

Baseline characteristics were similar in both groups except for higher weight and BMI in the SG group. The GB group experienced greater total body weight loss at 6, 12, and 24 months (41.9 vs. 34.6 kg at 24 months, p < 0.0001). Excess weight loss was 69.7 and 51.7 % following GB and SG respectively at 24 months (p < 0.0001). BP improved significantly in both groups. Surgical complication rates were greater after GB (10.1 vs. 3.5 %, p = 0.0007) with no significant difference in life-threatening or potentially life-threatening complications.

Conclusions

Weight loss was greater following GB compared to SG at 2 years. The risk for surgical complications was greater following GB. Surgical intervention should be tailored to surgical risk, comorbidities, and desired weight loss.
Appendix
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Metadata
Title
Roux-En-Y Gastric Bypass Vs. Sleeve Gastrectomy: Balancing the Risks of Surgery with the Benefits of Weight Loss
Authors
Corey J. Lager
Nazanene H. Esfandiari
Angela R. Subauste
Andrew T. Kraftson
Morton B. Brown
Ruth B. Cassidy
Catherine K. Nay
Amy L. Lockwood
Oliver A. Varban
Elif A. Oral
Publication date
01-01-2017
Publisher
Springer US
Published in
Obesity Surgery / Issue 1/2017
Print ISSN: 0960-8923
Electronic ISSN: 1708-0428
DOI
https://doi.org/10.1007/s11695-016-2265-2

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