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Published in: Surgical Endoscopy 5/2019

01-05-2019

Safety and efficacy of using a short tunnel versus a standard tunnel for peroral endoscopic myotomy for Ling type IIc and III achalasia: a retrospective study

Authors: Longsong Li, Ningli Chai, Enqiang Linghu, Zhenjuan Li, Chen Du, Wengang Zhang, Jiale Zou, Ying Xiong, Xiaobin Zhang, Ping Tang

Published in: Surgical Endoscopy | Issue 5/2019

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Abstract

Background and AIMS

Peroral endoscopic myotomy (POEM) for patients with Ling type IIc and III achalasia is associated with a high rate of adverse events. Decreasing the lengths of the tunnel and myotomy may be an effective method for reducing this rate. This study aimed to assess the safety and efficacy of using a short tunnel versus a standard tunnel for POEM.

Method

We conducted a retrospective study of 126 patients with Ling type IIc and III achalasia undergoing POEM from January 2013 to December 2016. These patients were divided into a short tunnel group (n = 63) and a standard tunnel group (n = 63). The clinical efficacy of the procedure, operative time, length of the tunnel, length of myotomy and rates of adverse events were analyzed.

Results

The preoperative features were similar in both groups. No significant differences were found between the two groups in Eckardt score change, lower esophageal sphincter (LES) basal pressure or residual pressure after POEM (all p > 0.05). The mean lengths of the tunnel and myotomy were 7.6 cm and 4.8 cm, respectively, in the short tunnel group and 11.8 cm and 9.2 cm, respectively, in the standard tunnel group. The mean operative time of the short tunnel group was significantly shorter than that of the standard tunnel group (39.5 min vs. 48.2 min, respectively, p = 0.001). A significant difference was observed in the rates of procedure-related adverse events between the two groups (9.5% vs. 33.3%, p = 0.001).

Conclusion

The efficacy of the procedure was comparable between the two groups. However, the short tunnel significantly reduced the operation time and the rates of procedure-related adverse events.
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Metadata
Title
Safety and efficacy of using a short tunnel versus a standard tunnel for peroral endoscopic myotomy for Ling type IIc and III achalasia: a retrospective study
Authors
Longsong Li
Ningli Chai
Enqiang Linghu
Zhenjuan Li
Chen Du
Wengang Zhang
Jiale Zou
Ying Xiong
Xiaobin Zhang
Ping Tang
Publication date
01-05-2019
Publisher
Springer US
Published in
Surgical Endoscopy / Issue 5/2019
Print ISSN: 0930-2794
Electronic ISSN: 1432-2218
DOI
https://doi.org/10.1007/s00464-018-6414-7

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