• C B B Ratnayake, C Wells, J Hammond, J J French, J A Windsor, and S Pandanaboyana.
• Department of Surgery, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand.
• Br J Surg. 2019 Nov 1; 106 (12): 1580-1589.

BackgroundThe incidence of postoperative pancreatic fistula (POPF) after distal pancreatectomy remains high, and different pancreatic stump closure techniques have been used to reduce the incidence. A network meta-analysis was undertaken to compare the most frequently performed pancreatic stump closure techniques after distal pancreatectomy and determine the technique associated with the lowest POPF rate.MethodsA systematic search of the Scopus, PubMed, MEDLINE and Embase databases was conducted to identify eligible RCTs. The primary outcome was the occurrence of clinically relevant POPF. Secondary outcomes were duration of operation, blood loss, intrabdominal collections, postoperative complications and 30-day mortality.ResultsSixteen RCTs including 1984 patients and eight different pancreatic stump closure techniques were included in the network meta-analysis. Patch coverage of the pancreatic stump (round ligament or seromuscular patch) after stapler or suture closure ranked best, with the lowest rates of clinically relevant POPF, lowest volume of intraoperative blood loss, fewer intra-abdominal abscesses, and lower rates of overall complications and 30-day mortality. Round ligament patch closure outperformed seromuscular patch closure in preventing clinically relevant POPF with a significantly larger cohort for comparative analysis. Pancreaticoenteric anastomotic closure consistently ranked poorly for most reported postoperative outcomes.ConclusionPatch coverage after stapler or suture closure has the lowest POPF rate and best outcomes among stump closure techniques after distal pancreatectomy.© 2019 BJS Society Ltd Published by John Wiley & Sons Ltd.

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