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Updated: Oct 2, 2025

An Ivor Lewis Esophagectomy Designed to Minimize Anastomotic Complications and Optimize Conduit Function
Published on: April 17, 2020
Predictors of anastomotic strictures following œsophageal atresia repair
Madeleine Aumar1,2, Rony Sfeir3, Adeline Pierache4
1Univ Lille, CHU Lille, Reference Centre for Chronic and Malformative Esophageal Diseases (CRACMO), Inserm U1286 Infinite, CHU Lille Pôle Enfant, Lille, France madeleine.aumar@chru-lille.fr.
Insights
Anastomosis under tension and delayed procedures are key risk factors for esophageal strictures in infants with esophageal atresia. These factors also increase the risk of recurrent and refractory strictures, impacting surgical outcomes.
Area of Science:
- Pediatric Surgery
- Gastroenterology
- Congenital Abnormalities
Background:
- Esophageal atresia (OA) is a congenital condition requiring surgical repair.
- Anastomotic strictures are a common complication following OA repair.
- Identifying risk factors is crucial for improving patient outcomes.
Purpose of the Study:
- To determine risk factors for anastomotic, refractory, and recurrent strictures in infants with OA.
- To investigate the association between anastomotic stricture and antireflux surgery.
Main Methods:
- Prospective national multicenter study over 8 years.
- Inclusion of all infants born with OA.
- Data collection at birth and 1 year; univariate and multivariate analyses.
Main Results:
- 23.2% prevalence of anastomotic stricture at 1 year.
- Anastomosis under tension and delayed anastomosis are independent risk factors for strictures.
- Higher rates of fundoplication in patients with anastomotic strictures.
Conclusions:
- Anastomosis under tension and delayed anastomosis significantly increase the risk of esophageal strictures.
- These factors are associated with increased rates of recurrent and refractory strictures.
- Findings highlight the importance of surgical technique and timing in OA repair.
Objectives:
To identify the risk factors for anastomotic, refractory and recurrent strictures and to establish whether anastomotic stricture is associated with antireflux surgery.
Design:
This prospective national multicentre study included all infants born with oesophageal atresia (OA) over an 8-year period. Data on OA and complications were collected at birth and at 1 year old. Univariate and multivariate analyses were conducted.
Results:
1082 patients from 37 centres were included in the study. The prevalence of anastomotic stricture at 1 year old was 23.2%. Anastomosis under tension (defined by the surgeon at the time of repair) and delayed anastomosis (defined as anastomosis performed more than 15 days after birth, excluding delays due to prematurity or severe cardiac diseases) were found to be independent risk factors for anastomotic stricture (2.3 (1.42-3.74) and 4.02 (2.12-7.63), respectively). Patients with anastomotic stricture had a 2.3-fold higher rate of fundoplication compared with others (p=0.001). Anastomosis under tension and delayed anastomosis were found to be independent risk factors for recurrent stricture (1.92 (1.10-3.34) and 5.73 (2.71-12.14), respectively), while delayed anastomosis was the only risk factor for refractory stricture (8.30 (3.34-20.64)). There was a 2.39-fold (1.42-4.04) higher rate of fundoplication in the anastomotic stricture group than in the group without anastomotic stricture (p=0.001).
Conclusions:
Patient-related anatomical factors leading to anastomosis under tension and delayed anastomosis increase the risk of anastomotic stricture.
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