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Is duct-to-mucosa pancreaticojejunostomy necessary after pancreaticoduodenectomy: A meta-analysis of randomized controlled trials

The incidence of postoperative pancreatic fistula is influenced by the effectiveness of the pancreaticojejunostomy, and the most suitable pancreaticojejunostomy for pancreaticoduodenectomy remains uncertain. Since grade A postoperative pancreatic fistula is no longer considered a true fistula, the p...

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Bibliographic Details
Published in:Heliyon 2024-07, Vol.10 (13), p.e33156, Article e33156
Main Authors: Hao, Xiaofei, Li, Yi, Liu, Lin, Bai, Jian, Liu, Jia, Jiang, Cuinan, Zheng, Lu
Format: Article
Language:English
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Summary:The incidence of postoperative pancreatic fistula is influenced by the effectiveness of the pancreaticojejunostomy, and the most suitable pancreaticojejunostomy for pancreaticoduodenectomy remains uncertain. Since grade A postoperative pancreatic fistula is no longer considered a true fistula, the purpose of this meta-analysis was to compare the effectiveness of duct-to-mucosa anastomosis and invagination anastomosis in reducing the incidence of grade B/C postoperative pancreatic fistula. The meta-analysis was conducted using software Review Manager 5.3, and the fixed-effect model was employed for pooled statistic calculations. The Cochrane Collaboration Risk of Bias Tool was utilized for quality assessment. Ten randomized controlled trials from Embase, Web of Science, MEDLINE, and the Cochrane Library (1990.01–2022.10) including 1471 patients, met the inclusion criteria. This meta-analysis has been registered on PROSPERO with the registration number CRD42023491673. The incidence of grade B/C fistula was significantly lower in the invagination group (7.7 %) compared to the duct-to-mucosa group (12.8 %, mostly Cattell manner)(RR = 1.65, 95%CI: 1.14–2.39, P = 0.008; heterogeneity: P = 0.008, I2 = 68 %),heterogeneity among the results was addressed through sensitivity analysis. In patients with a soft pancreas, the incidence of grade B/C fistula was significantly lower in those who underwent invagination anastomosis (10 %) compared to those who underwent duct-to-mucosa anastomosis (41.9 %)(RR = 4.19, 95%CI: 1.33–13.25, P = 0.01).No significant differences were observed in terms of the occurrence of grade B/C fistula in firm pancreas, postoperative mortality, other major postoperative complications, anastomosis time, and postoperative bile leak. Therefore, we concluded that invagination anastomosis is significantly superior to duct-to-mucosa anastomosis in reducing the incidence of grade B/C fistula, especially in patients with a soft pancreas. •Invagination anastomosis is considerably more effective than duct-to-mucosa anastomosis in decreasing the occurrence of grade B/C (clinically significant) postoperative pancreatic fistula after pancreaticoduodenectomy.•Invagination anastomosis is highly recommended for patients with a soft pancreas following pancreaticoduodenectomy.•In patients with a firm pancreas, both invagination anastomosis and duct-to-mucosa anastomosis can be performed following pancreaticoduodenectomy, as there is no significant difference in t
ISSN:2405-8440
2405-8440
DOI:10.1016/j.heliyon.2024.e33156