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KMID : 1038120220550050655
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Clinical Endoscopy
2022 Volume.55 No. 5 p.655 ~ p.664
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Efficacy of the pocket-creation method with a traction device in endoscopic submucosal dissection for residual or recurrent colorectal lesions
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Ide Daisuke
Ohya Tomohiko Richard
Ishioka Mitsuaki
Enomoto Yuri
Nakao Eisuke
Mitsuyoshi Yuki
Tokura Junki
Suzuki Keigo
Yakabi Seiichi
Yasue Chihiro
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Abstract
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Background/Aims: Endoscopic submucosal dissection (ESD) for residual or recurrent colorectal lesions after incomplete resection is challenging because of severe fibrosis. This study aimed to compare the efficacy of the pocket-creation method (PCM) with a traction device (TD) with that of conventional ESD for residual or recurrent colorectal lesions.
Methods: We retrospectively studied 72 patients with residual or recurrent colorectal lesions resected using ESD. Overall, 31 and 41 lesions were resected using PCM with TD and conventional ESD methods, respectively. We compared patient background and treatment outcomes between the PCM with TD and conventional ESD groups, respectively. The primary endpoints were en bloc resection and R0 resection rates. The secondary endpoints were the dissection speed and incidence of adverse events.
Results: En bloc resection was feasible in all cases with PCM with TD, but failed in 22% of cases of conventional ESD. The R0 resection rates for PCM with TD and conventional ESD were 97% and 66%, respectively. Dissection was significantly faster in the PCM with TD group (13.0 vs. 7.9 mm2/min). Perforation and postoperative bleeding were observed in one patient in each group.
Conclusions: PCM with TD is an effective method for treating residual or recurrent colorectal lesions after incomplete resection.
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KEYWORD
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Colorectum, Endoscopic submucosal dissection, Pocket-creation method, Residual or recurrent lesion, Traction device
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