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Yan Z, Zou L, Wang Q, Zhang S, Jiao Y, Xiong D, Jiang Q, Guo T, Feng Y, Wu D, Lai Y, Yan X, Xu T, Fang W, Wu X, Zhou W, Yang A. Preoperative H. pylori Eradication Therapy Facilitates Precise Delineation in Early Gastric Cancer with Current H. pylori Infection. Dig Dis 2023; 42:1-11. [PMID: 37839406 PMCID: PMC10836745 DOI: 10.1159/000534332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 09/20/2023] [Indexed: 10/17/2023]
Abstract
INTRODUCTION Early gastric cancer with current Helicobacter pylori infection (HpC-EGC) is common, but it is still unclear whether H. pylori eradication therapy (Hp-ET) or endoscopic submucosal dissection (ESD) should be performed first. We evaluated Hp-ETs short-term effects on horizontal boundary delineations of HpC-EGC in ESD. METHODS Prospectively enrolled HpC-EGC patients were randomly assigned to eradication or control groups. Operation scopes of HpC-EGC lesions were delineated with marking dots at 5 mm out of the endoscopic demarcation line by an independent endoscopist, unaware of eradication status, before formal circumferential incision. As representatives, precise delineation rate, the shortest distance of all marking dots to the pathological demarcation line in all slices of one intact resected specimen (Dmin), and negative marking dot specimen rate were examined. RESULTS Twenty-three HpC-EGC patients (25 lesions) were allocated to eradication group and 26 patients (27 lesions) were allocated to the control group with similar eradication success rates and all were differentiated type. With improving background mucosa inflammation after Hp-ET and similar gastritis-like epithelium rates, 10 lesions (40.0%) in the eradication group were of precise delineation compared to control group with 2 lesions (7.4%) (relative risk = 5.40, 95% CI 1.31-22.28). Dmin of eradication and control groups were 4.17 ± 2.52 mm and 2.67 ± 2.30 mm (p = 0.029), accompanied by 4 (14.8%) and none (0.0%) specimens that exhibited positive marking dots (p = 0.11), respectively. CONCLUSION For HpC-EGC patients, administrating eradication medication before ESD is beneficial for the precise delineation of lesions and reducing the risk of positive horizontal resection margins.
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Affiliation(s)
- Zhiyu Yan
- Department of Gastroenterology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- M.D. Program, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Long Zou
- Department of Pathology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Qiang Wang
- Department of Gastroenterology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Shengyu Zhang
- Department of Gastroenterology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yuhao Jiao
- Department of Gastroenterology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Dingkun Xiong
- Department of Gastroenterology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Qingwei Jiang
- Department of Gastroenterology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Tao Guo
- Department of Gastroenterology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yunlu Feng
- Department of Gastroenterology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Dongsheng Wu
- Department of Gastroenterology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yamin Lai
- Department of Gastroenterology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xuemin Yan
- Department of Gastroenterology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Tao Xu
- Department of Gastroenterology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Weigang Fang
- Department of Medicine, Shanghai Jiahui International Hospital, Shanghai, China
| | - Xi Wu
- Department of Gastroenterology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Weixun Zhou
- Department of Pathology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Aiming Yang
- Department of Gastroenterology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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Tamari H, Oka S, Kotachi T, Teshima H, Mizuno J, Fukuhara M, Tanaka H, Tsuboi A, Yamashita K, Takigawa H, Yuge R, Urabe Y, Arihiro K, Tanaka S. Efficacy of the specialized scissor-type knife for gastric endoscopic submucosal dissection: a propensity score matched retrospective study. Endosc Int Open 2023; 11:E315-E321. [PMID: 37025153 PMCID: PMC10072925 DOI: 10.1055/a-1971-1508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 10/25/2022] [Indexed: 04/08/2023] Open
Abstract
Background and study aims Prevention of bleeding and perforation during gastric endoscopic submucosal dissection (ESD) is important. Scissor-type knives can accurately grasp and incise the targeted tissue using electrosurgical currents, thereby eliminating unexpected incisions. The SB Knife GX, a scissor-type knife specialized for gastric ESD, was released in June 2016 in Japan. The aim of the present study was to evaluate the efficacy and safety of gastric ESD using the SB Knife GX. Patients and methods A total of 716 patients who underwent gastric ESD at Hiroshima University Hospital between July 2016 and December 2020 were retrospectively reviewed. From these, 671 patients underwent ESD using the IT Knife 2 (IT-2 group), while 45 underwent ESD using an SB Knife GX (SB-GX group). After propensity score matching, the procedure time, specimen size, en bloc and complete resection rates, and intraoperative bleeding, delayed bleeding, and perforation rates were evaluated. Results No significant differences were observed in mean procedure time (SB-GX group: 115 ± 165 min; IT-2 group: 95 ± 61 min; P = 0.82) and en bloc and complete resection rates between the two groups. Intraoperative bleeding rates were significantly lower in the SB-GX group than in the IT-2 group (18 % vs. 40 %; P = 0.01), and there were no differences in delayed bleeding (4 % vs. 4 %) or perforation (0 % vs. 4 %) between the two groups. Conclusions The SB Knife GX was proven to be useful for control of intraoperative bleeding during gastric ESD, although the procedure time tended to be longer.
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Affiliation(s)
- Hirosato Tamari
- Hiroshima University Hospital, Department of Endoscopy, Hiroshima, Japan
| | - Shiro Oka
- Hiroshima University Hospital, Department of Gastroenterology, Hiroshima, Japan
| | - Takahiro Kotachi
- Hiroshima University Hospital, Department of Endoscopy, Hiroshima, Japan
| | - Hajime Teshima
- Hiroshima University Hospital, Department of Gastroenterology, Hiroshima, Japan
| | - Junichi Mizuno
- Hiroshima University Hospital, Department of Gastroenterology, Hiroshima, Japan
| | - Motomitsu Fukuhara
- Hiroshima University Hospital, Department of Gastroenterology, Hiroshima, Japan
| | - Hidenori Tanaka
- Hiroshima University Hospital, Department of Endoscopy, Hiroshima, Japan
| | - Akiyoshi Tsuboi
- Hiroshima University Hospital, Department of Endoscopy, Hiroshima, Japan
| | - Ken Yamashita
- Hiroshima University Hospital, Department of Endoscopy, Hiroshima, Japan
| | - Hidehiko Takigawa
- Hiroshima University Hospital, Department of Endoscopy, Hiroshima, Japan
| | - Ryo Yuge
- Hiroshima University Hospital, Department of Endoscopy, Hiroshima, Japan
| | - Yuji Urabe
- Hiroshima University Hospital, Department of Gastrointestinal Endoscopy and Medicine, Hiroshima, Japan
| | - Koji Arihiro
- University Hospital, Department of Anatomical Pathology, Hiroshima, Japan
| | - Shinji Tanaka
- Hiroshima University Hospital, Department of Endoscopy, Hiroshima, Japan
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Yachida T, Kobara H, Kozuka K, Nakatani K, Tada N, Matsui T, Chiyo T, Kobayashi N, Fujihara S, Nishiyama N, Kondo A, Ando Y, Okano K, Nonaka W, Ishikawa K, Masugata H, Masaki T. Comparison of Needle Knife versus Scissors Forceps for Colorectal Endoscopic Submucosal Dissection: A Prospective Randomized Study. J Clin Med 2023; 12:jcm12062329. [PMID: 36983328 PMCID: PMC10056117 DOI: 10.3390/jcm12062329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 03/12/2023] [Accepted: 03/15/2023] [Indexed: 03/19/2023] Open
Abstract
Background and Aim: To evaluate the efficacy and safety of a grasping-type knife, called Clutch Cutter (CC), for colorectal endoscopic submucosal dissection (C-ESD). Methods: This was a randomized prospective study. Patients who underwent C-ESD for colorectal neoplasms >20 mm and <50 mm in size were enrolled, dividing into two groups: ESD using needle type of dual knife alone (D-group) and circumferential incision using dual knife followed by submucosal dissection using CC (CC-group). The primary outcome was the self-completion rate. The secondary outcomes were intraoperative complication rate, procedure time, and en bloc resection rate. Results: A total of 45 patients were allocated to the D-group and 43 to the CC-group were allocated. The self-completion rate was higher in the CC-group (87% [39/45] vs. 98% [42/43]). All of the six patients with an incomplete procedure in the D-group were completely resected with CC use. The intraoperative complication rate was not significant in either group (D vs. CC: 2% vs. 0%). The mean procedure time was significantly shorter in the D-group than that in the CC-group (62.0 vs. 81.1 min; p = 0.0036). The en bloc resection rate was 100% in the D-group and 98% in the CC-group. Conclusions: While dual knife use is superior to CC in terms of time efficiency, the use of CC may be a safe and efficacious option for achieving complete C-ESD.
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Affiliation(s)
- Tatsuo Yachida
- Department of Gastroenterology and Neurology, Faculty of Medicine, Kagawa University, Kita 761-0793, Kagawa, Japan
- Department of General Internal Medicine, Faculty of Medicine, Kagawa University, Kita 761-0793, Kagawa, Japan
- Correspondence: ; Tel.: +81-87-891-2156; Fax: +81-87-891-2158
| | - Hideki Kobara
- Department of Gastroenterology and Neurology, Faculty of Medicine, Kagawa University, Kita 761-0793, Kagawa, Japan
| | - Kazuhiro Kozuka
- Department of Gastroenterology and Neurology, Faculty of Medicine, Kagawa University, Kita 761-0793, Kagawa, Japan
| | - Kaho Nakatani
- Department of Gastroenterology and Neurology, Faculty of Medicine, Kagawa University, Kita 761-0793, Kagawa, Japan
| | - Naoya Tada
- Department of Gastroenterology and Neurology, Faculty of Medicine, Kagawa University, Kita 761-0793, Kagawa, Japan
| | - Takanori Matsui
- Department of Gastroenterology and Neurology, Faculty of Medicine, Kagawa University, Kita 761-0793, Kagawa, Japan
| | - Taiga Chiyo
- Department of Gastroenterology and Neurology, Faculty of Medicine, Kagawa University, Kita 761-0793, Kagawa, Japan
| | - Nobuya Kobayashi
- Department of Gastroenterology and Neurology, Faculty of Medicine, Kagawa University, Kita 761-0793, Kagawa, Japan
| | - Shintaro Fujihara
- Department of Gastroenterology and Neurology, Faculty of Medicine, Kagawa University, Kita 761-0793, Kagawa, Japan
| | - Noriko Nishiyama
- Department of Gastroenterology and Neurology, Faculty of Medicine, Kagawa University, Kita 761-0793, Kagawa, Japan
| | - Akihiro Kondo
- Department of Gastroenterological Surgery, Faculty of Medicine, Kagawa University, Kita 761-0793, Kagawa, Japan
| | - Yasuhisa Ando
- Department of Gastroenterological Surgery, Faculty of Medicine, Kagawa University, Kita 761-0793, Kagawa, Japan
| | - Keiichi Okano
- Department of Gastroenterological Surgery, Faculty of Medicine, Kagawa University, Kita 761-0793, Kagawa, Japan
| | - Wakako Nonaka
- Department of General Internal Medicine, Faculty of Medicine, Kagawa University, Kita 761-0793, Kagawa, Japan
| | - Kaori Ishikawa
- Department of General Internal Medicine, Faculty of Medicine, Kagawa University, Kita 761-0793, Kagawa, Japan
| | - Hisashi Masugata
- Department of General Internal Medicine, Faculty of Medicine, Kagawa University, Kita 761-0793, Kagawa, Japan
| | - Tsutomu Masaki
- Department of Gastroenterology and Neurology, Faculty of Medicine, Kagawa University, Kita 761-0793, Kagawa, Japan
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Esaki M, Ihara E, Gotoda T. Endoscopic instruments and techniques in endoscopic submucosal dissection for early gastric cancer. Expert Rev Gastroenterol Hepatol 2021; 15:1009-1020. [PMID: 33909540 DOI: 10.1080/17474124.2021.1924056] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Introduction: Endoscopic submucosal dissection (ESD) is a less invasive local treatment for early gastric cancer (EGC).Areas covered: Japanese guidelines have recently expanded the endoscopic treatment indications for EGC. ESD is sometimes performed for lesions with a relative indication that has not previously been considered for ESD. ESD procedures are technically difficult, especially for larger and more invasive lesions. Complete resection and accurate histological assessment of EGC lesions are essential to evaluate endoscopic curability. Various endoscopic instruments, including three types of endoscopic knives and specific hemostatic forceps, have been developed, and endoscopic techniques, including the traction method, have been modified to simplify the procedure.Expert opinion: An insulated-tip knife with large tissue contact allows us to perform faster incisions, while a needle-type knife with minimal tissue contact allows us to perform precise incisions. Furthermore, a scissor-type knife with grasping tissues allows us to perform more secure incision. The traction method enables the operator to proceed with submucosal dissection procedures. In cases with small lesions, snaring can be used, as well as knife dissection. Understanding the features of each endoscopic instrument and technique is essential because appropriate selection and usage contribute to successful and safe ESD procedures.
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Affiliation(s)
- Mitsuru Esaki
- Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.,Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University School of Medicine, Tokyo, Japan
| | - Eikichi Ihara
- Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.,Department of Gastroenterology and Metabolism, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Takuji Gotoda
- Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University School of Medicine, Tokyo, Japan
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Akahoshi K, Komori K, Akahoshi K, Tamura S, Osada S, Shiratsuchi Y, Kubokawa M. Advances in endoscopic therapy using grasping-type scissors forceps (with video). World J Gastrointest Surg 2021; 13:772-787. [PMID: 34512901 PMCID: PMC8394375 DOI: 10.4240/wjgs.v13.i8.772] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 05/24/2021] [Accepted: 07/16/2021] [Indexed: 02/06/2023] Open
Abstract
Endoscopic submucosal dissection (ESD) is a globally accepted minimally invasive therapy for early-stage gastrointestinal tract tumors. Although numerous electrosurgical knives have been developed for ESD, technical difficulties and high complication rates (bleeding and perforation) have limited their use worldwide. The grasping-type scissors forceps [clutch cutter (CC)] is the first forceps-type resection device developed with reference to hemostatic forceps. The aim was to allow easy and safe ESD throughout the gastrointestinal tract, as a biopsy technique, using one device. The CC can grasp the target tissue accurately and pull it away from the underlying muscle layer prior to energizing the tissue, for safe and effective incision and hemostasis during ESD. Reported clinical studies showed that ESD using the CC (ESD-CC) is a safe (perforation rate: 0%-3.6%; delayed bleeding rate: 0%-4.2%), technically efficient (en-bloc resection rate: 88.9%-100%), and single-device method for dissecting early-stage gastrointestinal tract tumors. The ESD-CC technique is simple and easy to learn because it can be completed simply by repeating the grasp, pull, and coagulate and/or incise actions using an electrosurgical current. The reported self-completion rate by non-experts was significantly better with the CC than with conventional knives (61.7% vs 24.5%, respectively; P < 0.001). Furthermore, the CC is used for other endoscopic therapies, such as endoscopic polypectomy for large pedunculated polyps, endoscopic myotomy for Zenker’s diverticulum, endoscopic treatment of buried bumper syndrome, and endoscopic necrosectomy for wall-off pancreatic necrosis. The initial reports using CC for these therapies have shown favorable results. In this review, we describe the structural features of the CC, how to use the instrument, efficacies of ESD-CC, and other unique endoscopic therapies using the CC.
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Affiliation(s)
- Kazuya Akahoshi
- Endoscopy Center, Aso Iizuka Hospital, Iizuka 820-8505, Japan
| | - Keishi Komori
- Department of Gastroenterology, Aso Iizuka Hospital, Iizuka 820-8505, Japan
| | - Kazuaki Akahoshi
- Department of Gastroenterology, Aso Iizuka Hospital, Iizuka 820-8505, Japan
| | - Shinichi Tamura
- Endoscopy Center, Aso Iizuka Hospital, Iizuka 820-8505, Japan
| | - Shigeki Osada
- Department of Gastroenterology, Aso Iizuka Hospital, Iizuka 820-8505, Japan
| | - Yuki Shiratsuchi
- Department of Gastroenterology, Aso Iizuka Hospital, Iizuka 820-8505, Japan
| | - Masaru Kubokawa
- Department of Gastroenterology, Aso Iizuka Hospital, Iizuka 820-8505, Japan
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Hanada Y, Wang KK. Safety and feasibility of same-day discharge after esophageal endoscopic submucosal dissection. Gastrointest Endosc 2021; 93:853-860. [PMID: 32721491 DOI: 10.1016/j.gie.2020.07.037] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Accepted: 07/15/2020] [Indexed: 12/11/2022]
Abstract
BACKGROUND AND AIMS Endoscopic submucosal dissection (ESD) is used for treating early luminal GI cancers. ESD is the standard of care in Asia, where it results in multiday admissions for observation. The goal of our study was to evaluate the safety and feasibility of same-day discharge (SDD) after ESD. METHODS This is a retrospective cohort study of adults who underwent similar esophageal ESD with a Clutch Cutter device (DP2618DT; Fujifilm) at the Mayo Clinic (Rochester, Minn, USA) from 2017 to 2019 with a single endoscopist. The primary end point was postprocedural adverse events within 7 days of ESD. RESULTS Of 96 patients (75% male, mean age, 70 ± 10.3 years) undergoing a total of 140 ESDs, 85 were SDD versus 55 admissions. Of the 55 admits, 53 were discharged within 24 hours, whereas 2 were admitted for 2 to 3 days for reasons unrelated to the ESD procedure. Admissions were more likely to have a history of antiplatelet/anticoagulant use (56.4% vs 34.1%; P = .01) and higher mean American Society of Anesthesiologists (ASA) score (3.2 vs 2.9; P = .007). Admissions had larger resections (28.6 vs 20.1 mm; P < .0001) with longer procedural durations (103.4 vs 62 minutes; P < .0001). Among SDDs, no intraprocedural or postprocedural adverse events were seen. Among admissions, 1 (1.8% vs 0%; P = .39) experienced intraprocedural bleeding requiring endoscopic intervention, 1 required transfusion before discharge within 24 hours of ESD (1.8% vs 0%; P = .39), and 1 required rehospitalization and endoscopic intervention within 7 days to address an active bleed along the resection margin (1.8% vs 0%; P = .39). CONCLUSIONS SDD after esophageal ESD is safe and feasible. An experienced endoscopist can determine if SDD can be considered in patients with ASA physical classification status ≤2 who undergo resections off antiplatelet/anticoagulant therapy and do not experience intraprocedural adverse events.
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Affiliation(s)
- Yuri Hanada
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA
| | - Kenneth K Wang
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA
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Esaki M, Horii T, Ichijima R, Wada M, Sakisaka S, Abe S, Tomoeda N, Kitagawa Y, Nishioka K, Minoda Y, Tsuruta S, Suzuki S, Akiho H, Ihara E, Ogawa Y, Gotoda T. Assistant skill in gastric endoscopic submucosal dissection using a clutch cutter. World J Gastrointest Surg 2021; 13:116-126. [PMID: 33643532 PMCID: PMC7898188 DOI: 10.4240/wjgs.v13.i2.116] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Revised: 12/13/2020] [Accepted: 12/23/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND A clutch cutter is a scissor-type knife used in endoscopic submucosal dissection (ESD) for gastrointestinal tract tumors. The assistant during the ESD using a clutch cutter (ESD-C) needs to rotate the device and grasp the target tissue appropriately; therefore, the assistant's skill may affect the technical outcomes of ESD-C. AIM To determine how assistant skill level affected the technical outcomes of gastric ESD-C using an ex vivo porcine training model. METHODS In this pilot study, mock lesions of 15-30 mm in diameter were created in the middle or lower third of the porcine stomach. A total of 32 ESD-C procedures were performed by 16 trainees. Each trainee operator performed two ESD-C procedures; one ESD-C was assisted by an expert (ESD-C-E), and the other was assisted by a non-expert (ESD-C-NE). The total procedure time of the ESD was set as the primary outcome, and en bloc resection rate, complete procedure rate, perforation rate, and each procedure time/speed for mucosal incision or submucosal dissection were set as the secondary outcomes. In addition, we investigated factors associated with the difficulty of ESD including incompletion of ESD procedure, a long procedure time (≥ 20 min) or intraoperative perforation. RESULTS The median total procedure time of the ESD-C-E was significantly shorter than that of the ESD-C-NE (12.9 min vs 21.9 min, P = 0.001). The en bloc resection rate was 100% in both groups. Complete resection rates of the ESD-C-E and ESD-C-NE groups were 100% and 93.8%, respectively. No intraoperative perforation was observed in both groups. In the multivariate analysis, assistant skill was significantly associated with the difficulty of ESD, with the highest odds ratio of 16.5. CONCLUSION Assistance by an expert is an important factor when trainees perform ESD-C procedures.
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Affiliation(s)
- Mitsuru Esaki
- Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
- Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University School of Medicine, Tokyo 101-8309, Japan
| | - Toshiki Horii
- Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University School of Medicine, Tokyo 101-8309, Japan
| | - Ryoji Ichijima
- Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University School of Medicine, Tokyo 101-8309, Japan
| | - Masafumi Wada
- Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Seiichiro Sakisaka
- Department of Gastroenterology, Kitakyushu Municipal Medical Center, Kitakyushu 802-0077, Fukuoka, Japan
- Department of Internal Medicine, Saiseikai Fukuoka General Hospital, Fukuoka 810-0001, Japan
| | - Shuichi Abe
- Department of Gastroenterology, Hara-Sanshin Hospital, Fukuoka 812-0033, Japan
| | - Naru Tomoeda
- Department of Gastroenterology, Clinical Research Institute, National Hospital Organization Kyushu Medical Center, Fukuoka 810-0065, Japan
| | - Yusuke Kitagawa
- Department of Internal Medicine, Saiseikai Fukuoka General Hospital, Fukuoka 810-0001, Japan
| | - Kei Nishioka
- Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Yosuke Minoda
- Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Shinichi Tsuruta
- Department of Anatomic Pathology, Kyushu University, Fukuoka 812-8582, Japan
| | - Sho Suzuki
- Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University School of Medicine, Tokyo 101-8309, Japan
| | - Hirotada Akiho
- Department of Gastroenterology, Kitakyushu Municipal Medical Center, Kitakyushu 802-0077, Fukuoka, Japan
| | - Eikichi Ihara
- Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
- Department of Gastroenterology and Metabolism, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Yoshihiro Ogawa
- Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Takuji Gotoda
- Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University School of Medicine, Tokyo 101-8309, Japan
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Akahoshi K, Kubokawa M, Inamura K, Akahoshi K, Shiratsuchi Y, Tamura S. Current Challenge: Endoscopic Submucosal Dissection of Superficial Non-ampullary Duodenal Epithelial Tumors. Curr Treat Options Oncol 2020; 21:98. [PMID: 33104938 PMCID: PMC7588384 DOI: 10.1007/s11864-020-00796-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/25/2020] [Indexed: 02/07/2023]
Abstract
With the widespread use of esophagogastroduodenoscopy in recent years, the detection rate of superficial non-ampullary duodenal epithelial tumors (SNADETs) is increasing. Most SNADETs are early-stage adenocarcinoma or benign conditions, including adenoma. Therefore, endoscopic resection is desirable from the perspective of quality of life. However, endoscopic resection for SNADETs has not yet been established. Endoscopic submucosal dissection (ESD) is the most promising method for the treatment of SNADETs, because ESD provides a high rate of en bloc resection and a low rate of recurrence regardless of the tumor size. However, the difficulty of the procedure and a high rate of severe adverse events including perforation and bleeding have become major problems. Various preventive countermeasures for adverse events, such as use of specific devices, endoscope stabilization methods, and endoscopic closure of the post-ESD ulcer using clips, are reported to reduce the risk of the adverse events of ESD for SNADETs. This article reviews and highlights the current state of ESD for SNADETs and new challenges towards safe and effective ESD.
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Affiliation(s)
- Kazuya Akahoshi
- Endoscopy Center, Aso Iizuka Hospital, 3-83 Yoshio town, Iizuka, 820-8505, Japan.
- Department of Gastroenterology, Aso Iizuka Hospital, Iizuka, 820-8505, Japan.
| | - Masaru Kubokawa
- Department of Gastroenterology, Aso Iizuka Hospital, Iizuka, 820-8505, Japan
| | - Kazuki Inamura
- Department of Gastroenterology, Aso Iizuka Hospital, Iizuka, 820-8505, Japan
| | - Kazuaki Akahoshi
- Department of Gastroenterology, Aso Iizuka Hospital, Iizuka, 820-8505, Japan
| | - Yuki Shiratsuchi
- Department of Gastroenterology, Aso Iizuka Hospital, Iizuka, 820-8505, Japan
| | - Shinichi Tamura
- Faculty of Medical Engineering, Aso Iizuka Hospital, Iizuka, 820-8505, Japan
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Yoshida N, Dohi O, Inoue K, Yasuda R, Ishida T, Hirose R, Naito Y, Ogiso K, Murakami T, Morinaga Y, Kishimoto M, Inada Y, Itoh Y, Gotoda T. Efficacy of scissor-type knives for endoscopic mucosal dissection of superficial gastrointestinal neoplasms. Dig Endosc 2020; 32:4-15. [PMID: 31120558 DOI: 10.1111/den.13446] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2019] [Accepted: 05/19/2019] [Indexed: 02/08/2023]
Abstract
Endoscopic submucosal dissection (ESD) for superficial gastrointestinal neoplasms has become widespread. However, certain aspects of the procedure remain difficult to manage, such as intraoperative bleeding and perforation. There are two kinds of scissor-type knife: the Clutch Cutter (Fujifilm Co., Tokyo, Japan) and the SB knife (Sumitomo Bakelite Co., Tokyo, Japan). These knives have different features from other types of ESD knives and enable the performance of all ESD procedures, including mucosal incision, submucosal dissection, and hemostasis. The standard approach with scissor-type knives involves first grabbing the tissue and then incising or dissecting it. Theoretically, perforation as a result of unintentional movement should never happen with scissor-type knives compared to needle- or blade-type knives, which may induce perforation through unintentional movement. Moreover, the rates of severe bleeding and self-completion of ESD with scissor-type knives by non-experts were reported to be significantly better than for other knives. Thus, scissor-type knives can resolve these problems and help to further standardize ESD globally. In this review, we summarize reports on the efficacy of such scissor-type knives for ESD of gastrointestinal tumors. We also present the pocket-creation method and the application of traction devices, such as dental floss and S-O clips (Zeon Medical Co., Tokyo, Japan) for improving the performance of ESD with a Clutch Cutter.
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Affiliation(s)
- Naohisa Yoshida
- Department of Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Osamu Dohi
- Department of Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Ken Inoue
- Department of Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Ritsu Yasuda
- Department of Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Tsugitaka Ishida
- Department of Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Ryohei Hirose
- Department of Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Yuji Naito
- Department of Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Kiyoshi Ogiso
- Department of Gastroenterology, JR Osaka Railway Hospital, Osaka, Japan
| | - Takaaki Murakami
- Department of Gastroenterology, JCHO Kyoto Kuramaguchi Medical Center, Kyoto, Japan
| | - Yukiko Morinaga
- Department of Surgical Pathology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Mitsuo Kishimoto
- Department of Surgical Pathology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Yutaka Inada
- Department of Gastroenterology, Fukuchiyama City Hospital, Kyoto, Japan
| | - Yoshito Itoh
- Department of Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Takuji Gotoda
- Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University School of Medicine, Tokyo, Japan
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10
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Hayashi Y, Esaki M, Suzuki S, Ihara E, Yokoyama A, Sakisaka S, Hosokawa T, Tanaka Y, Mizutani T, Tsuruta S, Iwao A, Yamakawa S, Irie A, Minoda Y, Hata Y, Ogino H, Akiho H, Ogawa Y. Clutch Cutter knife efficacy in endoscopic submucosal dissection for early gastric neoplasms. World J Gastrointest Oncol 2018; 10:487-495. [PMID: 30595802 PMCID: PMC6304306 DOI: 10.4251/wjgo.v10.i12.487] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Revised: 10/15/2018] [Accepted: 11/08/2018] [Indexed: 02/05/2023] Open
Abstract
AIM To compare the outcomes of endoscopic submucosal dissection (ESD) for gastric neoplasms using Clutch Cutter (ESD-C) or other knives (ESD-O).
METHODS This was a single-center retrospective study. Gastric neoplasms treated by ESD between April 2016 and October 2017 at Kitakyushu Municipal Medical Center were reviewed. Multivariate analyses and propensity score matching were used to reduce biases. Covariates included factors that might affect outcomes of ESD, including age, sex, underlying disease, anti-thrombotic drugs use, tumor location, tumor position, tumor size, tumor depth, tumor morphology, tumor histology, ulcer (scar), and operator skill. The treatment outcomes were compared among two groups. The primary outcome was ESD procedure time. Secondary outcomes were en bloc, complete, and curative resection rates, and adverse events rates including perforation and delayed bleeding.
RESULTS A total of 155 patients were included in this study; 44 pairs were created by propensity score matching. Background characteristics were quite similar among two groups after matching. Procedure time was significantly shorter for ESD-C (median; 49 min) than for ESD-O (median; 88.5 min) (P < 0.01). However, there was no significant difference in treatment outcomes between ESD-C and ESD-O including en bloc resection rate (100% in both groups), complete resection rate (100% in both groups), curative resection rate (86.4% vs 88.6%, P = 0.730), delayed bleeding (2.3% vs 6.8%, P = 0.62) and perforation (0% in both groups).
CONCLUSION ESD-C achieved shorter procedure time without an increase in complication risk. Therefore, ESD-C could become an effective ESD option for gastric neoplasms.
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Affiliation(s)
- Yasuyo Hayashi
- Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
- Department of Gastroenterology, Kitakyushu Municipal Medical Center, Kitakyushu 802-0077, Japan
| | - Mitsuru Esaki
- Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
- Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University School of Medicine, Tokyo, Itabashi-ku 173-8610, Japan
| | - Sho Suzuki
- Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University School of Medicine, Tokyo, Itabashi-ku 173-8610, Japan
| | - Eikichi Ihara
- Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Azusa Yokoyama
- Department of Gastroenterology, Kitakyushu Municipal Medical Center, Kitakyushu 802-0077, Japan
| | - Seiichiro Sakisaka
- Department of Gastroenterology, Kitakyushu Municipal Medical Center, Kitakyushu 802-0077, Japan
| | - Taizo Hosokawa
- Department of Gastroenterology, Kitakyushu Municipal Medical Center, Kitakyushu 802-0077, Japan
| | - Yoshimasa Tanaka
- Department of Gastroenterology, Kitakyushu Municipal Medical Center, Kitakyushu 802-0077, Japan
| | - Takahiro Mizutani
- Department of Gastroenterology, Kitakyushu Municipal Medical Center, Kitakyushu 802-0077, Japan
| | - Shinichi Tsuruta
- Department of Anatomic Pathology, Graduate School of Medical Sciences Kyushu University, Fukuoka 812-8582, Japan
| | - Aya Iwao
- Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University School of Medicine, Tokyo, Itabashi-ku 173-8610, Japan
| | - Shun Yamakawa
- Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University School of Medicine, Tokyo, Itabashi-ku 173-8610, Japan
| | - Akira Irie
- Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University School of Medicine, Tokyo, Itabashi-ku 173-8610, Japan
| | - Yosuke Minoda
- Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Yoshitaka Hata
- Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Haruei Ogino
- Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Hirotada Akiho
- Department of Gastroenterology, Kitakyushu Municipal Medical Center, Kitakyushu 802-0077, Japan
| | - Yoshihiro Ogawa
- Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
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11
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Sumida Y, Kuwai T, Ishaq S. Endoscopic submucosal dissection of early gastric neoplasms in the fornix using the newly developed scissor-type SB knife GX. Dig Endosc 2018; 30:132. [PMID: 29127731 DOI: 10.1111/den.12979] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Accepted: 10/21/2017] [Indexed: 01/12/2023]
Affiliation(s)
- Yuki Sumida
- Department of Gastroenterology, National Hospital Organization, Kure Medical Center and Chugoku Cancer Center, Kure, Japan
| | - Toshio Kuwai
- Department of Gastroenterology, National Hospital Organization, Kure Medical Center and Chugoku Cancer Center, Kure, Japan
| | - Sauid Ishaq
- Gastroenterology Department, Dudley Group Hospitals, Birmingham City University, Birmingham, UK.,St George's University, Grenada, West Indies
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12
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Otsuka Y, Akahoshi K, Yasunaga K, Kubokawa M, Gibo J, Osada S, Tokumaru K, Miyamoto K, Sato T, Shiratsuchi Y, Oya M, Koga H, Ihara E, Nakamura K. Clinical outcomes of Clutch Cutter endoscopic submucosal dissection for older patients with early gastric cancer. World J Gastrointest Oncol 2017; 9:416-422. [PMID: 29085568 PMCID: PMC5648985 DOI: 10.4251/wjgo.v9.i10.416] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2017] [Revised: 07/24/2017] [Accepted: 08/04/2017] [Indexed: 02/05/2023] Open
Abstract
AIM To evaluate the clinical outcome of endoscopic submucosal dissection using the Clutch Cutter (ESDCC) in older patients.
METHODS We reviewed 232 consecutive patients with early gastric cancer who underwent ESDCC between June 2010 and February 2014 at Aso Iizuka Hospital. We divided patients into two groups according to age: Older patients (> 80 years, n = 64) and non-older patients (≤ 80 years, n = 168). We retrospectively compared the prevalence rates of pre-existing comorbidities, anticoagulant therapy, en bloc resection, mean duration of hospitalization, incidence of ESDCC-related complications, change in performance status (PS) before and after ESDCC, and financial cost of admission.
RESULTS The older group comprised 64 patients with a mean age of 84.1 years, and the non-older group comprised 168 patients with a mean age of 69.5 years. Older patients had significantly more pre-existing comorbidities than did non-older patients, specifically heart disease (P < 0.05). The en bloc resection rate in non-older patients was significantly higher than that in older patients (100% vs 95.3%, P = 0.02). There were no significant differences between the older and non-older groups in the incidence of ESDCC-related complications (i.e., postoperative bleeding and perforation) and the post-ESDCC change in PS. There were also no significant differences between the older and non-older groups in the mean duration of hospitalization (11.4 and 10.7 d, respectively) and financial cost of admission (657040 JPY and 574890 JPY, respectively).
CONCLUSION ESDCC has a good clinical outcome in older patients.
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Affiliation(s)
- Yoshihiro Otsuka
- Department of Gastroenterology, Aso Iizuka Hospital, Iizuka 820-8505, Japan
| | - Kazuya Akahoshi
- Department of Gastroenterology, Aso Iizuka Hospital, Iizuka 820-8505, Japan
| | - Kayoko Yasunaga
- Diagnosis Procedure Combination Coding Management Office, Aso Iizuka Hospital, Iizuka 820-8505, Japan
| | - Masaru Kubokawa
- Department of Gastroenterology, Aso Iizuka Hospital, Iizuka 820-8505, Japan
| | - Junya Gibo
- Department of Gastroenterology, Aso Iizuka Hospital, Iizuka 820-8505, Japan
| | - Shigeki Osada
- Department of Gastroenterology, Aso Iizuka Hospital, Iizuka 820-8505, Japan
| | - Kayo Tokumaru
- Department of Gastroenterology, Aso Iizuka Hospital, Iizuka 820-8505, Japan
| | - Kazuaki Miyamoto
- Department of Gastroenterology, Aso Iizuka Hospital, Iizuka 820-8505, Japan
| | - Takao Sato
- Department of Gastroenterology, Aso Iizuka Hospital, Iizuka 820-8505, Japan
| | - Yuki Shiratsuchi
- Department of Gastroenterology, Aso Iizuka Hospital, Iizuka 820-8505, Japan
| | - Masafumi Oya
- Department of Pathology, Aso Iizuka Hospital, Iizuka 820-8505, Japan
| | - Hidenobu Koga
- Clinical Research Supportive Office, Aso Iizuka Hospital, Iizuka 820-8505, Japan
| | - Eikichi Ihara
- Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Kazuhiko Nakamura
- Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
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13
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Akahoshi K, Kubokawa M, Gibo J, Osada S, Tokumaru K, Yamaguchi E, Ikeda H, Sato T, Miyamoto K, Kimura Y, Shiratsuchi Y, Akahoshi K, Oya M, Koga H, Ihara E, Nakamura K. Endoscopic submucosal dissection of gastric adenomas using the clutch cutter. World J Gastrointest Endosc 2017; 9:334-340. [PMID: 28744346 PMCID: PMC5507825 DOI: 10.4253/wjge.v9.i7.334] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2016] [Revised: 01/20/2017] [Accepted: 03/24/2017] [Indexed: 02/05/2023] Open
Abstract
AIM To evaluate the efficacy and safety of endoscopic submucosal dissection (ESD) using the clutch cutter (CC) (ESD-CC) for gastric adenoma (GA).
METHODS From June 2007 to August 2015, 122 consecutive patients with histological diagnoses of GA from specimens resected by ESD-CC were enrolled in this prospective study. The CC was used for all ESD steps (marking, mucosal incision, submucosal dissection, and hemostatic treatment), and its therapeutic efficacy and safety were assessed.
RESULTS Both the en-bloc resection rate and the R0 resection rate were 100% (122/122). The mean surgical time was 77.4 min, but the time varied significantly according to tumor size and location. No patients suffered perforation. Post-ESD-CC bleeding occurred in six cases (4.9%) that were successfully resolved by endoscopic hemostatic treatment.
CONCLUSION ESD-CC is a technically efficient, safe, and easy method for resecting GA.
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Abstract
PURPOSE OF REVIEW Gastric cancer remains a leading cause of mortality worldwide and gastroenterologists are playing an increasingly larger role in its management. This article reviews the endoscopic management of gastric cancer, with emphasis on recent advances in the field. RECENT FINDINGS Long-term studies comparing surgery and endoscopic resection for early gastric cancer have shown no difference in 10-year survival rates. Second-look endoscopy, performed 2 days after endoscopic submucosal dissection (ESD) to address the concern of delayed bleeding, may not affect rebleeding rates. Magnesium, proton pump inhibitors, and bupivacaine may help reduce post-ESD pain. New devices such as the Clutch Cutter and EndoLifter may help make ESD easier and safer. SUMMARY Endoscopic therapy for early gastric cancer is becoming increasingly popular and innovations are constantly being made to improve technique and technology. This review focuses on the latest approaches to the endoscopic management of gastric cancer.
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Yamashita K, Shiwaku H, Ohmiya T, Shimaoka H, Okada H, Nakashima R, Beppu R, Kato D, Sasaki T, Hoshino S, Nimura S, Yamaura K, Yamashita Y. Efficacy and safety of endoscopic submucosal dissection under general anesthesia. World J Gastrointest Endosc 2016; 8:466-471. [PMID: 27433293 PMCID: PMC4937162 DOI: 10.4253/wjge.v8.i13.466] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2016] [Revised: 04/21/2016] [Accepted: 05/27/2016] [Indexed: 02/05/2023] Open
Abstract
AIM: To evaluate the efficacy and safety of endoscopic submucosal dissection (ESD) under general anesthesia.
METHODS: From January 2011 to July 2014, 206 consecutive patients had undergone ESD under general anesthesia for neoplasms of the stomach, esophagus, and colorectum were enrolled in this retrospective study. The efficacy and safety of ESD under general anesthesia were assessed.
RESULTS: The en bloc resection rate of esophageal, gastric, and colorectal lesions was 100.0%, 98.3%, and 96.1%, respectively. The complication rate of perforation and bleeding were 0.0% and 0.0% in esophageal ESD, 1.7% and 1.7% in gastric ESD, and 3.9% and 2.0% in colorectal ESD, respectively. No cases of aspiration pneumonia were observed. All complications were managed by conservative treatment, with no surgical intervention required.
CONCLUSION: With the cooperation of an anesthesiologist, ESD under general anesthesia appears to be a useful method, decreasing the risk of complications.
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