Low rectal resection for low rectal endometriosis and rectal adenocarcinoma: Are we discussing the same risks?

Alexander Volodarsky-Perel*, Horace Roman, Marc Olivier Francois, Constance Jehaes, Thomas Dennis, Sandesh Kade, Damien Forestier, Vincent Assenat, Benjamin Merlot, Quentin Denost

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Objective: To evaluate the rate and risk factors for anastomosis leakage in patients undergoing colorectal resection with low anastomosis for rectal endometriosis and rectal adenocarcinoma. Methods: A retrospective cohort study evaluating prospectively collected data was conducted. Patients undergoing colorectal resection for rectal endometriosis and rectal adenocarcinoma with low anastomosis (<7 cm from the anal verge [AV]) from September 2018 to January 2023 were included in the analysis. The main outcome was the rate of anastomosis leakage. A multivariate logistic regression was conducted to evaluate risk factors for anastomosis leakage in both groups. Results: A total of 159 patients underwent colorectal resection with low anastomosis due to rectal endometriosis (n = 99) and rectal adenocarcinoma (n = 60). Patients with endometriosis were significantly younger than those with adenocarcinoma (35.7 ± 5.1 vs 63.7 ± 12.6; P = 0.001). The leakage rate was similar between the endometriosis (n = 12, 12.1%) and adenocarcinoma (n = 9, 15.0%) patients (P = 0.621). The anastomosis height less than 5 cm from the AV (adjusted odds ratio [aOR] 12.12, 95% confidence interval [CI] 2.24–23.54) was significantly associated with the anastomosis leakage. Protective stoma was associated with the decrease of the leakage risk (aOR 0.12, 95% CI 0.01–0.72). The type of disease (rectal endometriosis or adenocarcinoma) was not associated with the anastomosis leakage (aOR 2.87, 95% CI 0.34–21.23). Conclusions: Despite the different pathogenesis, the risk of anastomotic leakage was found to be similar between patients with low rectal endometriosis and those with rectal adenocarcinoma. These results must be considered by the gynecologist and colorectal surgeon to deliver proper information before rectal surgery for endometriosis.

Original languageEnglish
JournalInternational Journal of Gynecology and Obstetrics
DOIs
StateAccepted/In press - 2024
Externally publishedYes

Keywords

  • anastomotic leakage
  • colorectal resection
  • protective stoma
  • rectal adenocarcinoma
  • rectal endometriosis

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