AI Article Synopsis
- * A total of 149 dilatations were studied, revealing a stricture recurrence rate of 72.5% and that dilation up to 16.5 mm resulted in the lowest recurrence rate (41.7%) and longest dilation-free period (490 days).
- * The findings suggest that dilation up to 16.5 mm is safer and more effective compared to 18 mm, as it shows lower rates of stricture recurrence and bleeding following the procedure.
Article Abstract
Background: The optimal diameter for endoscopic dilatation of anastomotic strictures after esophagectomy has not been elucidated. This study aimed to determine the optimal target diameter for endoscopic dilatation for anastomotic stricture after esophagectomy.
Methods: The medical records of patients who underwent endoscopic dilatation for anastomotic stricture after esophagectomy between January 2009 and June 2024 at Pusan National University Yangsan Hospital were reviewed. The stricture recurrence rate, dilatation-free period, and complications according to the dilatation diameter were collected and included in the analysis.
Results: We analyzed 149 endoscopic dilatations (diameters from 10 to 18 mm) in 43 patients. The median follow-up period was 47 months (range, 5-157). The stricture recurrence rate was 72.5%, and the median dilatation-free period was 60 days. The stricture recurrence rate was the lowest (41.7%, p = 0.022), and the overall dilatation-free period was the longest (median 490 days, p = 0.171) in dilations up to 16.5 mm. The stricture recurrence rate was higher in dilations up to 18 mm than in those up to 16.5 mm (54.5% vs. 41.7%, p = 0.331). Moreover, the bleeding rate was higher in patients with dilations up to 18 mm (18.2% vs. 4.2%, p = 0.205).
Conclusion: In patients with anastomotic strictures after esophagectomy, dilation up to 16.5 mm showed a lower stricture recurrence rate, longer dilation-free period, and less postprocedural bleeding than those of dilation up to 18 mm.
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