Feasibility of performing esophageal endoscopic submucosal dissection using master and slave transluminal endoscopic robot
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AbstractThe feasibility of endoscopic submucosal dissection (ESD) using the master and slave transluminal endoscopic robot (MASTER) has been shown in our previous studies [1] [2] [3]. Compared with gastric ESD, esophageal ESD remains challenging because of technical difficulties and risks [4] [5]. The aim of this study was to evaluate the feasibility of using MASTER to perform esophageal ESD.

The new version of MASTER was used for esophageal ESD on one pig. The MASTER was redesigned to facilitate performance of ESD within a narrow working space. The main outcomes were: operating time, completeness of resection, and adverse events. The secondary outcomes included: clearance of operative field and limitation of robot arm manipulation in the narrow working space, assessed by counting the number of episodes of blind cutting. For the purpose of comparison with esophageal ESD, one gastric and one colonic ESD were performed by the same operator.

All procedures were successfully completed ([Table 1]; [Figs. 1 – 3]; [Video 1]). It took 15, 63, and 45 minutes to complete the esophageal, gastric, and colonic ESDs, respectively. All lesions were excised en bloc; the specimen sizes were: 20 × 20, 50 × 45, and 35 × 35 mm, respectively. The dissection speeds were: 20.9, 28.0, and 21.4 mm2/min, respectively. There were no adverse events. The number of episodes of blind cutting were: 2, 6, and 6 (0.13, 0.10, and 0.13/min).
All Author(s) ListTakeshita N, Ho KY, Phee SJ, Wong J, Chiu PWY
Journal nameEndoscopy
Year2017
Volume Number49
Issue NumberS 01
PublisherThieme Publishing
PagesE27 - E28
ISSN0013-726X
eISSN1438-8812
LanguagesEnglish-United Kingdom

Last updated on 2020-26-09 at 01:52