Abstract

BACKGROUND: Evidence on the optimal pancreatic anastomosis during pancreatoduodenectomy is inconclusive. Large multicenter and nationwide registries may provide additional insights. The study compared the practice and outcome of different pancreatic anastomoses during pancreatoduodenectomy, focusing on the rate of postoperative pancreatic fistula, in two large audits of pancreatic surgery.

METHODS: Posthoc analysis of patients after pancreatoduodenectomy in the Dutch Pancreatic Cancer Audit and the German DGAV StuDoQ|Pancreas registries (January 2014 to December 2017). Postoperative pancreatic fistula (International Study Group of Pancreatic Surgery B/C), postpancreatectomy hemorrhage (International Study Group of Pancreatic Surgery B/C) and Clavien-Dindo ≥3 complications rates were compared for the three most common anastomoses: duct-to-mucosa pancreatojejunostomy, non-duct-to-mucosa pancreatojejunostomy, and non-duct-to-mucosa pancreatogastrostomy. Multivariable adjustment for potential confounders was performed.

RESULTS: Overall, 6,149 patients were included. The most common anastomosis was duct-to-mucosa pancreatojejunostomy (duct-to-mucosa pancreatojejunostomy 59.8%, non-duct-to-mucosa pancreatojejunostomy 21.1%, non-duct-to-mucosa pancreatogastrostomy 12.4%). The overall postoperative pancreatic fistula rate was 14%: duct-to-mucosa pancreatojejunostomy 12.9%, non-duct-to-mucosa pancreatojejunostomy 14.4% (P = .162), non-duct-to-mucosa pancreatogastrostomy 18.3% (P < .001). The rate of postpancreatectomy hemorrhage was the lowest after duct-to-mucosa pancreatojejunostomy: duct-to-mucosa pancreatojejunostomy 6.9%, non-duct-to-mucosa pancreatojejunostomy 10% (P < .001), non-duct-to-mucosa pancreatogastrostomy 17.9% (P < .001). The rate of Clavien-Dindo ≥3 complications was the lowest after duct-to-mucosa pancreatojejunostomy: duct-to-mucosa pancreatojejunostomy 28%, non-duct-to-mucosa pancreatojejunostomy 32.7% (P = .002), non-duct-to-mucosa pancreatogastrostomy 43.1% (P < .001). In the multivariable analysis, the risk of postoperative pancreatic fistula did not differ significantly between the three anastomoses. The risk of hemorrhage (odds ratio 2.4, 95% confidence interval 1.6-3.5, P < .001) and Clavien-Dindo ≥3 (odds ratio 1.6, 95% confidence interval 1.2-2.1, P = .001) remained significantly higher only for non-duct-to-mucosa pancreatogastrostomy.

CONCLUSION: Data from two national audits showed no difference in the risk-adjusted postoperative pancreatic fistula rate among the three most used pancreatic anastomoses during pancreatoduodenectomy. Pancreatogastrostomy was inferior to pancreatojejunostomy regarding bleeding and overall major complications.

OriginalspracheEnglisch
ZeitschriftSurgery
Jahrgang170
Ausgabenummer6
Seiten (von - bis)1799-1806
Seitenumfang8
ISSN0039-6060
DOIs
PublikationsstatusVeröffentlicht - 12.2021

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