Comparison of Blumgart Anastomosis with Duct-to-Mucosa Anastomosis and Invagination Pancreaticojejunostomy After Pancreaticoduodenectomy: A Single-Center Propensity Score Matching Analysis
Tóm tắt
The Blumgart anastomosis is a method of pancreaticojejunostomy after pancreaticoduodenectomy (PD) which combines the principle of duct-to-mucosa anastomosis with an invagination technique of the pancreas. Retrospective study involving consecutive patients who underwent pancreaticoduodenectomy for pancreatic head cancer. Data predictive of pancreatic fistula and postoperative outcomes were collected. The patients were divided into three groups and were compared based on the type of pancreatic anastomosis performed: Blumgart anastomosis (BA), duct-to-mucosa anastomosis (DtoM), and invagination pancreaticojejunostomy (PJ). The primary endpoint was to determine the occurrence of clinically relevant postoperative pancreatic fistula (CR-POPF). The secondary endpoints were to determine whether postoperative pancreatic fistula grade C (POPF C) and/or severe complications occurred as well as to determine the reoperation rate and 30- and 90-day mortality. A propensity score matching analysis was used. Using propensity score matching (PSM), the occurrence of CR-POPF was not significantly different between the BA (21.6%) and the other pancreatic anastomoses (all 31.1%, DtoM = 27.0%; PJ = 35.1%). However, the BA significantly reduced (1) severe complications (0 versus 35.1%; P < 0.001) and 90-day mortality (0% versus 12.2%; P = 0.028) with respect to all anastomoses; (2) severe complications (0% versus 29.7%; P < 0.001), POPF grade C (0% versus 16.2%; P = 0.025), and reoperation (2.7% versus 16.2%; P = 0.056) with respect to DtoM; and (3) severe complications (0% versus 40.5%; P < 0.001) and 90-day mortality (0% versus 13.5%; P = 0.054) with respect to PJ. Applying the PSM analysis for the first time, the present study seemed to suggest that the BA succeeded in minimizing severe complications after PD.
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