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Is a Defunctioning Stoma Necessary After Left Colectomy in High-risk Patients for Anastomotic Leak?
Tressy Bouland1,2, Charles Sabbagh1,2, Kevin Allart K1,2
1Department of Digestive Surgery.
Introduction:
Left colectomy is associated with a 7% risk of anastomotic leak. In 2011, a prediction score for AL [the colon leakage score (CLS)] was developed. The aim was to evaluate the impact of a defunctioning stoma on AL and its consequences after left colectomy in high-risk patients.
Patients:
From January 2012 to June 2019, high-risk patients who underwent a left colectomy with anastomosis were included in this retrospective, single-center study. Two groups of patients were defined: patients undergoing a left colectomy with an anastomosis without a defunctioning stoma (no-stoma group) and those with a defunctioning stoma (stoma group). The primary endpoint was the rate of anastomotic leakage.
Results:
Ninety-two patients were included in this study. The anastomotic leakage rate was 16.4% in the no-stoma group and 21.6% in the stoma group ( P =0.5). A conservative approach was applied to 11.2% in the no-stoma group and 50% in the stoma group ( P =0.1). The severe morbidity rate was 14.5% in the no-stoma group and 21.6% in the stoma group ( P =0.4). The rate of unplanned admissions was 7% in the no-stoma group and 27% in the stoma group ( P =0.01).
Conclusion:
A defunctioning stoma does not appear to reduce the rate of AL in high-risk patients, but its impact on the management of AL remains unclear.
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