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Surgical Endoscopy
Published in: Surgical Endoscopy 12/2016

01-12-2016

Long-term efficacy of modified retrievable stents for treatment of achalasia cardia

Authors: Jun Dai, Yufeng Shen, Xiaobo Li, Yunjie Gao, Yan Song, Zhizheng Ge

Published in: Surgical Endoscopy | Issue 12/2016

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Abstract

Aim

To investigate the efficacy, safety and optimal duration of placement of modified retrievable metal stents for treatment of achalasia cardia.

Methods

Patients were randomly divided into groups A (N = 26, modified stents for 3 days), B (N = 26, modified stents for 2 days), C (N = 24, balloon dilation), and D (N = 25, regular stents for 2 days). Clinical symptom scores were recorded at baseline, 6 months, and during long-term follow-up.

Results

Seventy-seven patients with achalasia underwent stent placement (100 % success rate of implantation and extraction, no perforation). No stent migration or drop-off occurred in groups A and B. In group D, stent drop-off and migration was observed in 2 and 1 patients, respectively. Two patients in group C sustained esophageal perforation. Patients in the modified stent (A and B), balloon dilated (C) and regular stents (D) groups experienced significant improvement in dysphagia at 6 months, with recurrence in 1.92, 8.33 and 28 %, respectively. The clinical symptom score in the modified stent groups was significantly lower than that in the balloon dilated group (P = 0.01). During long-term follow-up, the symptom scores in modified stent groups were significantly lower than that in the balloon dilated (P < 0.01) and regular stent (P < 0.01) groups.

Conclusion

Modified retrievable metal stents required an optimal placement duration of 2 days were safe with no incidence of migration or drop-off and had a lower recurrence of symptoms.
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Metadata
Title
Long-term efficacy of modified retrievable stents for treatment of achalasia cardia
Authors
Jun Dai
Yufeng Shen
Xiaobo Li
Yunjie Gao
Yan Song
Zhizheng Ge
Publication date
01-12-2016
Publisher
Springer US
Published in
Surgical Endoscopy / Issue 12/2016
Print ISSN: 0930-2794
Electronic ISSN: 1432-2218
DOI
https://doi.org/10.1007/s00464-016-4879-9

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