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New traction method (traction ring) for colorectal endoscopic submucosal dissection.

Xin Yuan Huang¹, Ming Ji¹, Peng Li¹

¹Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, Beijing, China.

Journal of Digestive Diseases

|June 29, 2022

Summary

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A novel traction ring device enhances colorectal endoscopic submucosal dissection (ESD) by improving visualization and enabling high en bloc and R0 resection rates. This pilot study demonstrates its feasibility and safety for colorectal ESD procedures.

Area of Science:

Gastroenterology
Endoscopic Surgery
Surgical Innovation

Background:

Colorectal endoscopic submucosal dissection (ESD) presents visualization challenges due to the submucosal layer.
Existing traction methods for colorectal ESD are not widely adopted.

Purpose of the Study:

To assess the feasibility and safety of a newly developed traction ring device for colorectal ESD.
To evaluate the efficacy of the traction ring in improving colorectal ESD outcomes.

Main Methods:

Retrospective analysis of 20 patients undergoing traction ring-assisted colorectal ESD.
Evaluation of outcomes including en bloc resection rate, R0 resection rate, procedure time, and complications.

Main Results:

Keywords:

colorectal neoplasms endoscopic submucosal dissection endoscopy traction traction ring

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High en bloc resection rate (95.0%) and R0 resection rate (90.0%) were achieved.

Traction ring application constituted only 2.7% of the total procedure time.

The device was successfully applied and retrieved with no significant intraoperative bleeding or delayed complications.

Conclusions:

The traction ring is a safe and effective tool for colorectal ESD.
This device can be utilized across all locations within the colorectum.