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The suture pulley countertraction method for challenging rectal endoscopic submucosal dissection.

ABSTRACT:

SUBMITTER: Ge PS

PROVIDER: S-EPMC7221288 | biostudies-literature | 2020 May

REPOSITORIES: biostudies-literature

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The suture pulley countertraction method for challenging rectal endoscopic submucosal dissection.

Ge Phillip S PS Angsuwatcharakon Phonthep P Chang George J GJ Foo Wai Chin WC Tillman Matthew M MM Aihara Hiroyuki H

VideoGIE : an official video journal of the American Society for Gastrointestinal Endoscopy 20200331 5

PMID: 32426573

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Project description:BackgroundThe lack of countertraction in endoscopic submucosal dissection (ESD) results in increased technical demand and procedure time. Although the suture-pulley method for countertraction has been reported, its effectiveness compared with the traditional ESD technique remains unclear.ObjectiveTo objectively analyze efficacy of countertraction using the suture-pulley method for ESD.DesignProspective ex vivo animal study.SettingAnimal laboratory.InterventionsTwenty simulated gastric lesions were created in porcine stomachs by using a standard circular template 30 mm in diameter. In the control arm (n = 10), ESD was performed by using the standard technique. In the suture-pulley arm (N = 10), a circumferential incision was made, and an endoscopic suturing device was used to place the suture pulley.Main outcome measurementsThe primary outcome of this study was total procedure time.ResultsThe median total procedure time with the suture-pulley method was significantly shorter than the traditional ESD technique (median, 25% to 75%, interquartile range [IQR]: 531 seconds [474.3-549.3 seconds] vs 845 seconds [656.3-1547.5 seconds], P < .001). The median time (IQR) for suture-pulley placement was 160.5 seconds (150.0-168.8 seconds). Although there was a significantly longer procedure time for proximal versus middle/lower stomach lesions with traditional ESD (median, 1601 seconds; IQR, 1547.5-1708.8 seconds vs median, 663 seconds; IQR, 627.5-681.8 seconds; P = .01), there was no significant difference in procedure time for lesions of various locations when using the suture-pulley method. Compared with traditional ESD, the suture-pulley method was less demanding in all categories evaluated by the NASA Task Load Index.LimitationsEx vivo study.ConclusionsThe suture-pulley method facilitates direct visualization of the submucosal layer during ESD and significantly reduces procedure time and technical difficulty. In addition, the benefit of the suture-pulley method was seen for both simple and more complicated ESDs.

Dataset Information

The suture pulley countertraction method for challenging rectal endoscopic submucosal dissection.

Publications

The suture pulley countertraction method for challenging rectal endoscopic submucosal dissection.

Similar Datasets

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