4.4 Article

Impact of Resection Volume/Stapler Firings-Ratio on Perioperative Complications and Weight Loss After Laparoscopic Sleeve Gastrectomy

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OBESITY SURGERY
卷 31, 期 1, 页码 207-214

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SPRINGER
DOI: 10.1007/s11695-020-04870-0

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Sleeve gastrectomy; Stapler firings; Staple line leaks; Gastric resection volume; Weight loss

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  1. Projekt DEAL

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This study found that a high ratio of GRV/stapler firings was associated with decreased intraoperative bleeding, shorter hospital stay, and higher EBMIL at 12 months post-LSG, making it a superior predictive factor for postoperative complications and impaired weight loss compared to absolute number of stapler firings or GRV alone.
Background Major postoperative morbidity after laparoscopic sleeve gastrectomy (LSG) is often related to staple line leaks (SLL). Of note, a recent study suggested a central role of the absolute numbers of stapler firings as a predictive factor for postoperative morbidity due to SLL. In addition, a larger gastric remnant volume could be responsible for lower weight loss after LSG, and nevertheless, the gastric resection volume (GRV) is strictly related to the residual volume. Methods Prospectively, collected data of 384 consecutive patients with complete follow-up at 12 months after LSG at our institution were retrospectively analyzed. Patients were stratified according to three different variables (i.e., number of stapler firings, GRV, and GRV/stapler firings-ratio), and respective impact on postoperative complications and weight loss was analyzed. Results High absolute number of stapler firings was linked to increased intraoperative and postoperative bleeding and prolonged hospitalization, but was not associated with SLL, transfusion rate or revisional procedures. Absolute GRV showed no impact on both complications and outcome after LSG. Interestingly, higher ratio of GRV/stapler firings was not only linked to decreased intraoperative bleeding and shorter hospital stay but also to higher Excess Body Mass Index Loss (EBMIL) at 12 months after LSG. Conclusions Here, we introduce GRV/stapler firings-ratio as a simple predictive factor for identifying patients at risk for postoperative complications and impaired weight loss that is superior compared with absolute number of stapler firings or GRV alone.

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