Self-expanding segmental radioactive metal stents for palliation of malignant esophageal strictures
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Updated: Jan 3, 2026

An Ivor Lewis Esophagectomy Designed to Minimize Anastomotic Complications and Optimize Conduit Function
Published on: April 17, 2020
Yonghua Bi1, Jindong Li2, Mengfei Yi1
1Department of Interventional Radiology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, PR China.
Background:
Traditional metal stents are not always suitable for patients with circuitous malignant esophageal stricture.
Purpose:
We aimed to report the safety and effectiveness of stent insertion using self-expanding segmental radioactive metal stent in the palliation of malignant esophageal stricture.
Material And Methods:
We conducted a retrospective analysis of 22 consecutive patients who underwent insertion of segmental radioactive metal stents from November 2016 to March 2019. Technical success, dysphagia score, and complications were analyzed. Kaplan-Meier analysis was used to analyze the survival time.
Results:
The stenting procedure was successful in all 22 patients with no procedure-related deaths. Twenty-four segmental radioactive metal stents were successfully implanted. A total of 6 (27.3%) complications were found, mainly 5 (22.7%) stent migrations. The median follow-up period was 3.3 months. Stent removal was required in 4 (12.5%) patients due to complete stent migration. The mean dysphagia score decreased significantly after stent insertion (P<0.0001). During follow up, 13 patients survived with no obvious clinical symptom and nine patients died. The mean survival was 9.9 months.
Conclusion:
The stenting procedure using self-expanding segmental radioactive metal stents is safe and effective in dysphagia palliation of malignant esophageal stricture.
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