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

다국어 초록 (Multilingual 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 thissystematic review was to evaluate the effcacy and safety of various methods that assist traction during ESD of precancerous and earlystageneoplastic lesions of the gastrointestinal tract. We performed an electronic search of the MEDLINE and the Cochrane ControlledTrials Register databases for relevant studies published up to May 2019. Trials exclusively recruiting patients undergoing ESD forsuperficial gastrointestinal cancer were considered eligible for inclusion. Thirty-three articles including 3,134 patients met the inclusioncriteria. The studies evaluated different approaches for widening the endoscopic view, including magnetic anchor-guided ESD (3studies), use of a second endoscope (5 studies), clip-involving technique (21 studies), and miscellaneous methods (4 studies). Amongthem, only 6 were randomized controlled trials evaluating different approaches. Overall, the implementation of methods that assisttraction during ESD significantly improved the operating time and R0 resection rate and decreased the rate of complications (bleedingand perforation). Interventions that assist traction seem effcacious in improving tissue traction, thus facilitating ESD performance.

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