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Southampton Health Technology Assessments CentreNews

SHTAC updates Cochrane review on bariatric surgery for obesity

Published: 1 February 2013
Surgery for obesity

SHTAC is currently updating a 2009 Cochrane review they previously conducted that examines the effects of bariatric surgery for obesity.

Bariatric (weight loss) surgery is considered for obese patients when other treatments have not worked. The aim of surgery is to reduce weight by restricting food intake or causing the malabsorption of food, or both of these. There are a number of bariatric surgery procedures available, and the two most commonly used procedures in clinical practice are gastric bypass and adjustable gastric banding. The 2009 Cochrane review assessed the effects of different bariatric surgery procedures in comparison with each other and with conventional treatment (for example, exercise, diet and drugs). The review found that surgery resulted in greater weight loss than conventional treatment, but there was limited evidence about the effects of different procedures in comparison with each other.

The updated review will include recently conducted trials, including any that have examined the effectiveness of new bariatric surgery procedures, and will be published around the end of 2013. The 2009 Cochrane review is freely available from The Cochrane Library website. Further information about SHTAC's research and publications about obesity can be found on the Research page of the SHTAC website.

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