Abstract
Gastric leak after LSG is a devastating complication, reported in less than 1% of cases. Consensus is lacking regarding the best approach to construct the sleeve, staple sizes, and reinforcement methods on potential leak development. In this study, we have compared the leak pressure of two different staple sizes in the resected portion of the stomach, immediately after its removal. Fifteen patients were enrolled. Leak pressure of a vascular, small-size stapler was significantly higher than that of a medium-size one. All leaks appeared in the proximal third of the resected stomach. These results may have clinical implication. Since other factors may play a role in the risk for leaks following sleeve gastrectomy, a large, prospective clinical trial should be performed comparing the two staple sizes in laparoscopic sleeve gastrectomy.
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