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

Abstract:

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.

journal_name

Obes Surg

journal_title

Obesity surgery

authors

Penna AD,Lange J,Archid R,Hönes F,Königsrainer A,Quante M

doi

10.1007/s11695-020-04870-0

subject

Has Abstract

pub_date

2021-01-01 00:00:00

pages

207-214

issue

1

eissn

0960-8923

issn

1708-0428

pii

10.1007/s11695-020-04870-0

journal_volume

31

pub_type

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