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Okamura T, Honda T, Ikeda T, Ishida S, Kuribayashi Y, Ichikawa T, Nakao K. Development of a novel multipoint traction device for gastric and colorectal endoscopic submucosal dissection and evaluation of its efficacy and safety. Surg Endosc 2024:10.1007/s00464-024-10987-5. [PMID: 38926237 DOI: 10.1007/s00464-024-10987-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Accepted: 06/02/2024] [Indexed: 06/28/2024]
Abstract
BACKGROUND Proper traction allows safer and easier endoscopic submucosal dissection; however, single-point traction may not be sufficient. In this study we assessed the safety, efficacy, and feasibility of our newly developed multipoint traction device. METHODS During an ex vivo study using a Konjac training model, two experts and two trainees resected 80 mock lesions of 20-mm diameter by performing endoscopic submucosal dissection with and without multipoint traction. The primary outcome was the success rate of the procedure involving traction. The secondary outcomes were the submucosal dissection time, dissection speed, and perforation during endoscopic submucosal dissection. During the in vivo study, to clarify the initial clinical outcomes, we used data from the electronic medical record of patients at our institution who underwent gastric and colorectal endoscopic submucosal dissection, which was performed by experts with our newly developed multipoint traction device, from March to December 2022. RESULTS The ex vivo study indicated that all traction procedures were successful. Higher resection speeds were observed with endoscopic submucosal dissection with traction than without traction (P < 0.001). Perforations were not observed. During the first in vivo clinical study, traction was feasible during 20 gastric and colorectal endoscopic submucosal dissection procedures. No adverse events occurred. CONCLUSIONS Our multitraction device can increase the submucosal dissection speed and simplify endoscopic submucosal dissection techniques, thus safely reducing technical challenges. The application of this device for endoscopic submucosal dissection could lead to safer and more efficient procedures. Clinical registration UMIN Clinical Trials Registry, Japan (registration number UMIN000053384).
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Affiliation(s)
- Takuma Okamura
- Department of Gastroenterology, Nagasaki Harbor Medical Center, 6-39 Shinchi, Nagasaki, 850-8555, Japan
- Department of Comprehensive Community Care Systems, Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan
| | - Tetsuro Honda
- Honda Internal Medicine and Endoscopy Clinic, Nagasaki, Japan
| | - Tomonari Ikeda
- Department of Gastroenterology, Nagasaki Harbor Medical Center, 6-39 Shinchi, Nagasaki, 850-8555, Japan
| | - Satoshi Ishida
- Department of Gastroenterology, Nagasaki Goto Chuoh Hospital, Nagasaki, Japan
| | - Yasutaka Kuribayashi
- Department of Health and Social Behavior, School of Public Health, The University of Tokyo, Tokyo, Japan
| | - Tatsuki Ichikawa
- Department of Gastroenterology, Nagasaki Harbor Medical Center, 6-39 Shinchi, Nagasaki, 850-8555, Japan.
- Department of Comprehensive Community Care Systems, Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan.
| | - Kazuhiko Nakao
- Department of Gastroenterology and Hepatology, Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan
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Kawashima K, Hikichi T, Onizawa M, Gunji N, Watahiki Y, Sakuma C, Mochimaru T, Murakami M, Suzuki O, Hashimoto Y, Kobayakawa M, Ohira H. Characteristics of positive horizontal margins in patients who underwent colorectal endoscopic submucosal dissection. DEN OPEN 2024; 4:e300. [PMID: 37841650 PMCID: PMC10569401 DOI: 10.1002/deo2.300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 09/14/2023] [Accepted: 09/26/2023] [Indexed: 10/17/2023]
Abstract
Objectives Endoscopic submucosal dissection (ESD) enables en bloc resection of colorectal neoplasms, but occasionally results in positive horizontal margins (HMs). However, the site of the resected specimen that tends to be positive for HM has not been investigated. We aimed to clarify the characteristics associated with HMs in lesions resected en bloc with ESD. Methods Patients with colorectal neoplasms who underwent en bloc resection with ESD were included in this study. The patients were divided into negative HMs (HM0) and positive or indeterminate HMs (HM1) groups. The characteristics associated with HM1 resection were investigated. In addition, the local recurrence rate during endoscopic follow-up for >6 months after ESD was observed. Results In total, 201 lesions were analyzed in 189 patients (HM0, 189 lesions; HM1, 12 lesions). The HM1 group had a significantly larger median lesion diameter (25 vs. 55 mm; p < 0.001) and more lesions with >50% circumference than did the HM0 group (p < 0.001). Furthermore, the prevalence of severe fibrosis was significantly higher in the HM1 group than in the HM0 group (p < 0.001). Positive horizontal sites of the resected specimens were more frequent at the oral and anal sites than at the lateral sites. No local recurrences were observed in either group. Conclusions The characteristics associated with HM1 depended on lesion size, particularly lesions with >50% circumference, and submucosal fibrosis.
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Affiliation(s)
- Kazumasa Kawashima
- Department of GastroenterologyFukushima Medical UniversityFukushimaJapan
| | - Takuto Hikichi
- Department of EndoscopyFukushima Medical University HospitalFukushimaJapan
| | - Michio Onizawa
- Department of GastroenterologyFukushima Medical UniversityFukushimaJapan
| | - Naohiko Gunji
- Department of GastroenterologyFukushima Medical UniversityFukushimaJapan
| | - Yu Watahiki
- Department of GastroenterologyFukushima Medical UniversityFukushimaJapan
| | - Chiharu Sakuma
- Department of GastroenterologyFukushima Medical UniversityFukushimaJapan
| | - Tomoaki Mochimaru
- Department of GastroenterologyFukushima Medical UniversityFukushimaJapan
| | - Mai Murakami
- Department of GastroenterologyFukushima Medical UniversityFukushimaJapan
| | - Osamu Suzuki
- Department of Diagnostic PathologyFukushima Medical UniversityFukushimaJapan
| | - Yuko Hashimoto
- Department of Diagnostic PathologyFukushima Medical UniversityFukushimaJapan
| | - Masao Kobayakawa
- Department of EndoscopyFukushima Medical University HospitalFukushimaJapan
- Medical Research CenterFukushima Medical UniversityFukushimaJapan
| | - Hiromasa Ohira
- Department of GastroenterologyFukushima Medical UniversityFukushimaJapan
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Mizutani H, Tsuji Y, Hisada H, Miwa Y, Yagi K, Seto Y, Fujishiro M. Successful closure of gastric wall defect after endoscopic full-thickness resection using novel anchor pronged clips: a case report. Endoscopy 2023; 55:E1234-E1235. [PMID: 38081304 PMCID: PMC10713340 DOI: 10.1055/a-2209-0076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2023]
Affiliation(s)
- Hiroya Mizutani
- Department of Gastroenterology/Department of Next-Generation Endoscopic Computer Vision, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Yosuke Tsuji
- Department of Gastroenterology/Department of Next-Generation Endoscopic Computer Vision, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Hiroyuki Hisada
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Yoshiyuki Miwa
- Department of Gastrointestinal Surgery, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Koichi Yagi
- Department of Gastrointestinal Surgery, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Yasuyuki Seto
- Department of Gastrointestinal Surgery, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Mitsuhiro Fujishiro
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
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Kitahara G, Kaneko T, Ishido K, Furue Y, Wada T, Watanabe A, Tanabe S, Kusano C. The efficacy and safety of multi-loop traction device for gastric endoscopic submucosal dissection: a single center prospective pilot study. Sci Rep 2023; 13:20050. [PMID: 37973965 PMCID: PMC10654424 DOI: 10.1038/s41598-023-47390-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Accepted: 11/13/2023] [Indexed: 11/19/2023] Open
Abstract
Although gastric endoscopic submucosal dissection (ESD) is widely used, the degree of difficulty varies greatly depending on the lesion. Since the multi-loop traction device (MLTD) has been suggested to shorten the procedure time in colorectal ESD, we examined the efficacy and safety of using the MLTD in gastric ESD. Thirty patients with gastric neoplasms were prospectively enrolled from February 2022 to December 2022, and the outcomes of ESD with the MLTD were evaluated. The primary outcomes were procedure time and dissection speed. The secondary outcomes were en bloc and R0 resection rates, MLTD attachment time, and complications of ESD with the MLTD. After excluding 1 patient, 29 patients (29 lesions) were treated by ESD with the MLTD. The median procedure time was 26 min (range, 9-210 min), and the median submucosal dissection speed was 39.9 mm2/min (12.4-102.7 mm2/min). The rate of en bloc resection was 100%, the median MLTD attachment time was 3 min (1-7 min), and none of the patients showed intraoperative or postoperative perforations. Thus, gastric ESD with the MLTD showed a favorable procedure time and dissection speed and an acceptable complication rate. Hence, the MLTD may be effective for gastric ESD.
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Affiliation(s)
- Gen Kitahara
- Department of Gastroenterology, Kitasato University School of Medicine, 1-15-1 Kitasato, Minami-ku, Sagamihara, Kanagawa, 252-0373, Japan.
- Department of Gastroenterology, Kitasato University Medical Center, Kitamoto, Japan.
| | - Toru Kaneko
- Department of Gastroenterology, Kitasato University School of Medicine, 1-15-1 Kitasato, Minami-ku, Sagamihara, Kanagawa, 252-0373, Japan
- Department of Gastroenterology, Kitasato University Medical Center, Kitamoto, Japan
| | - Kenji Ishido
- Department of Gastroenterology, Kitasato University School of Medicine, 1-15-1 Kitasato, Minami-ku, Sagamihara, Kanagawa, 252-0373, Japan
| | - Yasuaki Furue
- Department of Gastroenterology, Kitasato University School of Medicine, 1-15-1 Kitasato, Minami-ku, Sagamihara, Kanagawa, 252-0373, Japan
| | - Takuya Wada
- Department of Gastroenterology, Kitasato University School of Medicine, 1-15-1 Kitasato, Minami-ku, Sagamihara, Kanagawa, 252-0373, Japan
| | - Akinori Watanabe
- Department of Gastroenterology, Kitasato University School of Medicine, 1-15-1 Kitasato, Minami-ku, Sagamihara, Kanagawa, 252-0373, Japan
| | - Satoshi Tanabe
- Department of Gastroenterology, Kitasato University School of Medicine, 1-15-1 Kitasato, Minami-ku, Sagamihara, Kanagawa, 252-0373, Japan
| | - Chika Kusano
- Department of Gastroenterology, Kitasato University School of Medicine, 1-15-1 Kitasato, Minami-ku, Sagamihara, Kanagawa, 252-0373, Japan
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Inada T, Esaki M, Minoda Y. Triangle-traction-assisted endoscopic submucosal dissection with multiple loop traction device for colorectal neoplasms. Dig Endosc 2023; 35:e74-e75. [PMID: 37015737 DOI: 10.1111/den.14546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Accepted: 03/08/2023] [Indexed: 04/06/2023]
Affiliation(s)
- Taisuke Inada
- Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Mitsuru Esaki
- Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yosuke Minoda
- Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
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Takada K, Yoshida M. Simple add-on robotic traction device to the conventional endoscope: Will it be an efficient and safe tool for novice training on endoscopic submucosal dissection? Dig Endosc 2023; 35:352-353. [PMID: 36442840 DOI: 10.1111/den.14471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Accepted: 11/08/2022] [Indexed: 11/30/2022]
Affiliation(s)
- Kazunori Takada
- Division of Endoscopy, Shizuoka Cancer Center, Shizuoka, Japan
| | - Masao Yoshida
- Division of Endoscopy, Shizuoka Cancer Center, Shizuoka, Japan
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