Clin Endosc.  2020 May;53(3):286-301. 10.5946/ce.2019.147.

Methods that Assist Traction during Endoscopic Submucosal Dissection of Superficial Gastrointestinal Cancers: A Systematic Literature Review

• Tziatzios G
• Ebigbo A
• Gölder SK
• Probst A
• Messmann H

• KMID: 2502763
• DOI: http://doi.org/10.5946/ce.2019.147

Abstract

Endoscopic submucosal dissection (ESD) is a well-established method for the treatment of early-stage gastrointestinal neoplasms. Adequate submucosal exposure is one of the most significant factors related to an effective and safe dissection. The aim of this systematic review was to evaluate the effcacy and safety of various methods that assist traction during ESD of precancerous and earlystage neoplastic lesions of the gastrointestinal tract. We performed an electronic search of the MEDLINE and the Cochrane Controlled Trials Register databases for relevant studies published up to May 2019. Trials exclusively recruiting patients undergoing ESD for superficial gastrointestinal cancer were considered eligible for inclusion. Thirty-three articles including 3,134 patients met the inclusion criteria. The studies evaluated different approaches for widening the endoscopic view, including magnetic anchor-guided ESD (3 studies), use of a second endoscope (5 studies), clip-involving technique (21 studies), and miscellaneous methods (4 studies). Among them, only 6 were randomized controlled trials evaluating different approaches. Overall, the implementation of methods that assist traction during ESD significantly improved the operating time and R0 resection rate and decreased the rate of complications (bleeding and perforation). Interventions that assist traction seem effcacious in improving tissue traction, thus facilitating ESD performance.

Keyword

Dissection; Endoscopic; Method; Submucosal; Traction

Figure

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  Fig. 1. Literature search flowchart and study selection.

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  Fig. 2. Risk of bias among randomized controlled trials included in this review.

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  Fig. 3. Traction methods: (A) double-endoscope method, (B) clip-with-line method, and (C) traction by gravity.

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