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. 2024 Sep;76(5):1729-1734.
doi: 10.1007/s13304-024-01936-x. Epub 2024 Jul 8.

Modified delayed coloanal anastomosis following TME for mid and low rectal cancer: 19 consecutive patients from a single center

Hani Bendib  1 , Abdelkrim Anou  2 , Razika Hachlaf  3 , Hind Oukrine  3 , Nabil Djelali  3 , Chemseddine Chekman  3
Affiliations

Modified delayed coloanal anastomosis following TME for mid and low rectal cancer: 19 consecutive patients from a single center

Hani Bendib et al. Updates Surg. 2024 Sep.

Abstract

Surgery and management of rectal cancer have made significant progress in recent decades. However, there is still no coloanal anastomosis technique that offers a good compromise between functionality and low morbidity. The aim of this study is to evaluate the safety and efficiency of the modified delayed coloanal anastomosis (mDCA). In this retrospective study, we analyzed the morbi-mortality as well as functional outcomes of 19 patients treated with mDCA, out of 73 colorectal cancer patients treated at our institution from September 2021 to June 2023. The inclusion criteria were cancer of the mid and low rectum (tumor less than 10 cm from the anal verge). Morbidity represented by complications of Clavien-Dindo grade III or higher was estimated at 5.2%. Only one patient experienced an asymptomatic anastomotic leak (AL) grade A. Ischemia of the colonic stump occurred in one patient, taken back to the OR on the 5th postoperative day. No stump retraction was noted. Anastomotic stenosis appeared in one patient (5.2%) during the 90-day postoperative period, and was treated by instrumental dilation. Perioperative mortality was nil. The mean St Marks incontinence score at 90 days was 13.2 points. At the 3-month follow-up, 15 patients (78.9%) had major low anterior resection syndrome (LARS), three (15.7%) had minor LARS, and one patient (5.2%) had no LARS. None of the patients had a diversion loop ileostomy. The mDCA, by decreasing the rate of AL, without the need for diversion ileostomy, might be an interesting alternative to the conventional immediate coloanal anastomosis (ICA), for restoring the GI tract after proctectomy for cancer.

Keywords: Coloanal anastomosis; Diversion ileostomy; Pull-through; Rectal cancer; Stoma.

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