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Metabolic syndrome remission after Roux-en-Y gastric bypass or sleeve gastrectomy

Authors Nassour I, Almandoz JP, Adams-Huet B, Kukreja S, Puzziferri N

Received 27 May 2017

Accepted for publication 14 July 2017

Published 20 September 2017 Volume 2017:10 Pages 393—402

DOI https://doi.org/10.2147/DMSO.S142731

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Colin Mak

Peer reviewer comments 2

Editor who approved publication: Professor Ming-Hui Zou


Ibrahim Nassour,1 Jaime P Almandoz,2 Beverley Adams-Huet,3,4 Sachin Kukreja,5 Nancy Puzziferri1,5

1Department of Surgery, 2Department of Internal Medicine, Division of Endocrinology, 3Department of Clinical Sciences, 4Department of Internal Medicine, University of Texas Southwestern Medical Center, 5Department of Surgery, Veterans Affairs North Texas Health Care System, Dallas, TX, USA

Background: Bariatric surgery is known to decrease weight and the prevalence of comorbidities, but there is little evidence on the differential effect of Roux-en-Y gastric bypass (RYGB) and sleeve gastrectomy (SG) on the remission of the aggregate outcome, metabolic syndrome, 4 years after surgery. The purpose of this study was to determine the effectiveness of RYGB and SG on metabolic syndrome in veterans.
Methods: We retrospectively reviewed consecutive patients who underwent SG and RYGB at the Dallas Veterans Affairs Medical Center from 2003 to 2012. We determined the effect of both the operations on the remission of metabolic syndrome, its individual components, and medium-term morbidity and mortality. A sensitivity analysis was performed using propensity matching.
Results: A total of 266 patients were identified (159 RYGB and 107 SG) with 96% follow-up after 4 years. The mean age of the cohort was 51.4 years; the majority of patients were male (59%) and Caucasian (69%). RYGB patients had a greater mean body mass index and were more likely to have hypertension or hypertriglyceridemia. RYGB was associated with a similar metabolic syndrome remission to SG (37.6% vs 26.8%; P=0.09). The percentage of weight loss was 26.5% after RYGB and 10.8% after SG at 4 years post operation (P<0.01). Predictors of metabolic syndrome persistence were male gender, type 2 diabetes, and low high-density lipoprotein. While both the operations were associated with similar mortality (RYGB 4.4%, SG 2.8%; P=0.74), RYGB was associated with a greater rate of morbidity.
Conclusion: RYGB and SG seem to be associated with similar remission rates of metabolic syndrome at 4 years. RYGB yields greater weight loss with greater medium-term complications.

Keywords: bariatric surgery, weight loss, diabetes, hypertension, hyperlipidemia

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