Anastomotic Location Predicts Anastomotic Leakage After Elective Colonic Resection for Cancer
Anastomotic leakage (AL) is a potential feared complication after colorectal resection, which is associated with an increased risk of postoperative mortality and frequently requires additional surgery. The aim of this study was to assess major independent risk factors for AL after elective colonic resection for cancer, including anastomotic location.
Among 1940 consecutive patients referred to our institution for colorectal adenocarcinoma, 1025 patients had elective colonic resection with intraperitoneal anastomosis without diverting stoma. Risk factors were assessed among preoperative, operative, and histological data.
Clinical AL was observed in 36 patients (3.5%) with 24 patients requiring revisional surgery (67%). In multivariate analysis, endoscopic impassable tumor and colo-colic or ileo-colic anastomosis were independent risk factors for AL. The occurrence of AL was associated with poor overall (43.1 months vs. 146.4 months; p < 0.001) and disease-free survival (40.5 months vs. 137.3 months; p = 0.003).
Anastomotic leakage occurs more frequently after colo-colic and ileo-colic anastomosis than after intraperitoneal colorectal anastomosis.
The right colectomy appears to be at higher risk of AL, with a greater risk of surgical intervention than after an elective left colectomy. Ileo-colic anastomosis should be avoided in cases of suboptimal conditions.
KeywordsColonic resection Colorectal cancer Anastomotic leakage Right colectomy Prognostic factors
Study conception and design: Voron, Douard, Berger
Acquisition of data: Voron, Bruzzi, Ragot
Analysis and interpretation of data: Voron, Zinzindohoue, Chevallier, Douard, Berger
Drafting of manuscript: Voron, Douard, Berger
Critical Revision: Voron, Bruzzi, Ragot, Zinzindohoue, Chevallier, Douard, Berger
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