Abstract
Laparoscopic adjustable gastric banding has been a popular bariatric surgery in the United States since the early 2000s. Over the years, various long-term complications have prompted removal of these devices. To avoid subsequent weight gain, explanation of the gastric band is often followed by concomitant or staged conversion to another bariatric procedure. It is our goal to evaluate the relative leak rate in 1- versus 2-stage adjustable gastric band conversion surgery. Private teaching hospital, United States. A search was performed in the PubMed/MEDLINE and Cochrane Library databases to evaluate literature regarding adjustable gastric band conversion procedures. After identification of publications that directly compared 1- and 2-stage laparoscopic adjustable gastric banding conversions, the Newcastle-Ottawa Quality Assessment Scale was used to determine if they would be used in our meta-analysis. The risk ratio for leak in 1- versus 2-stage conversions was then calculated. Our search yielded 483 publications. Twenty-five publications qualified for inclusion. The overall calculated risk ratio for leak in 1- versus 2-stage conversions was .90 (confidence interval [CI] .51-1.61, P = .73). Eight publications were found that discussed conversion from laparoscopic adjustable gastric banding to Roux-en-Y gastric bypass. The risk ratio for 1- versus 2-stage conversions for this subgroup was .82 (CI .35-1.93, P = .65). Eight publications were found that evaluated conversion to sleeve gastrectomy. The risk ratio of leak for 1- versus 2-stage conversions for these patients was 1.61 (CI .55-4.72, P = .39). Based on the results of this meta-analysis, there does not appear to be a significant difference in the overall leak rate between 1- and 2-stage adjustable gastric band conversions. The findings of our subgroup analysis suggest that there may be a safety advantage for 1-stage procedures when converting to Roux-en-Y gastric bypass and 2-stage procedures when converting to sleevegastrectomy.
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Schedule a callMore From: Surgery for obesity and related diseases : official journal of the American Society for Bariatric Surgery
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