«Gastric bypass» or «sleeve gastrectomy» for morbid obesity : a systematic review

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Published Dec 22, 2015
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Vol. 93 No. 10 (2015): Issue Oct 2015

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Hichem Jerraya
Mehdi Khalfallah
Ramzi Nouira
Chadli Dziri

Abstract

SUMMARY
Background: Introduction: Bariatric surgery represents an efficient treatment of morbid obesity allowing not only weight loss but also the control of comorbidities related to obesity. Although the sleeve gastrectomy and gastric bypass are currently the two most common procedures, the superiority of one over another and the indications remain imprecise.
Aim: The aim of this work was to provide an evidence based answer to the following questions: What is the most efficient surgical procedure: gastric bypass or sleeve gastrectomy regarding weight loss, postoperative morbidity and remission of comorbidities related to obesity?
Methods: A literature search has been conducted in the data bases of Pubmed, Cochrane Library and Scopus during the period between January 2008 to March 2015, with the keywords "Gastric Bypass" and "Sleeve Gastrectomy".
Results: the results of sleeve gastrectomy and gastric bypass regarding weight loss and remission of comorbidities are comparable in the short and medium terms. Gastric Bypass is associated with a longer duration of surgery, a slightly higher early morbidity and more frequent deficiencies in vitamins D and B12 but it allows a better control of a pre-operative gastroesophageal reflux disease.
Conclusion: Sleeve gastrectomy and gastric bypass are equivalent in terms of loss of weight and control of comorbidities but longer term studies are needed to refine the indications depending on the characteristics of the patient.

Keywords:

Gastric bypass - sleeve gastrectomy - obesity

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