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Background: The aim of this study was to assess the risk factors for anastomotic stricture in esophageal cancer patients undergoing esophagectomy. Esophageal anastomotic stricture is the most common long-term complication for esophagectomy. The risk factors for esophageal anastomotic stricture still remain controversial.

Methods: MEDLINE, Cochrane Library, and EMBASE were searched to identify observational studies reporting the risk factors for esophageal anastomotic stricture after esophagectomy. A meta-analysis was conducted to investigate the impact of various risk factors on esophageal anastomotic stricture. The GRADE [Grading of Recommendations Assessment, Development and Evaluation] approach was used for quality assessment of evidence on outcome levels.

Results: This review included 14 studies evaluating 5987 patients.The meta-analysis found that anastomotic leakage (odds ratio [OR]: 2.75; 95% confidence interval[CI]:2.16-3.49), cardiovascular disease [OR:1.62; 95% CI: 1.22-2.16],diabete [OR: 1.62; 95% CI: 1.20-2.19] may be risk factors for esophageal anastomotic stricture.There were no association between neoadjuvant therapy [OR: 0.78; 95% CI:0.62-0.97], wide gastric conduit [OR:0.98; 95% CI: 0.37-2.56],mechanical anastomosis [OR: 0.84; 95% CI:0.47-1.48],colonic interposition[OR:0.20; 95% CI: 0.12-0.35],and transhiatal approach[OR:1.16; 95% CI:0.81-1.64],with the risk of esophageal anastomotic stricture.

Conclusions: This meta-analysis provides some evidence that anastomotic leakage,cardiovascular disease and diabete may be associated with higher rates of esophageal anastomotic stricture.Knowledge about those risk factors may influence treatment and procedure-related decisions,and possibly reduce the anastomotic stricture rate.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11264988PMC
http://dx.doi.org/10.1186/s12885-024-12625-8DOI Listing

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