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Giugliano DN, Feinberg AE, Sapci I, Ozgur I, Valente MA, Steele SR, Gorgun E. The Learning Curve for Advanced Endoscopy for Colorectal Lesions: A Surgeon's Experience at a High-Volume Center. Dis Colon Rectum 2023; 66:1383-1391. [PMID: 36876964 DOI: 10.1097/dcr.0000000000002773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
Abstract
BACKGROUND Advanced endoscopy can be used for the complete removal of large colorectal polyps. To date, few surgeons perform advanced endoscopy, and it is unknown how many procedures are needed to reach proficiency. OBJECTIVE This study aimed to determine the learning curve for colorectal advanced endoscopy. DESIGN Retrospective. SETTING Tertiary referral center. PATIENTS We queried a prospectively maintained institutional database of advanced endoscopy performed by a high-volume colorectal surgeon between 2011 and 2018. MAIN OUTCOME MEASURES Advanced endoscopy characteristics were compared for 6 chronological intervals. Primary end points were the rates of complications and polyp recurrence. Secondary end point was the change in polyp removal rate (mm/h) over time. RESULTS A total of 207 patients underwent advanced endoscopy for a single colorectal polyp. The median polyp size was 30 (4-70) mm, 61.5% were located in the right colon, and 8.8% were malignant. The mean procedure time was 77 (range, 16-320) minutes. Immediate colon resection occurred in 25 patients because of suspicion of cancer or concern for perforation and was excluded from the learning curve analysis. The remaining 182 advanced endoscopy procedures were divided into intervals of 30 procedures. The median removal rate was highest in the last interval and in the endoscopy suite. A removal rate of 30 mm/h was achieved after performing 100 cases. The complication rate (bleeding or return to operating room) was 12.1% and was similar across intervals. The readmission rate was 11.5%, and 6.6% of 6-month follow-up colonoscopies showed polyp recurrence at the resection site. LIMITATIONS Retrospective design and single surgeon. CONCLUSION The learning curve for achieving proficiency with advanced endoscopy in the colon and rectum required a minimum of 100 cases with a low complication rate, low polyp recurrence rate, high en bloc resection rate, and a polyp removal rate of 30 mm/h. See Video Abstract at http://links.lww.com/DCR/C162 .LA CURVA DE APRENDIZAJE DE LA ENDOSCOPIA AVANZADA PARA LESIONES COLORRECTALES: LA EXPERIENCIA DE UN CIRUJANO EN UN CENTRO DE ALTO VOLUMENANTECEDENTES:La endoscopia avanzada se puede utilizar para la extirpación completa de pólipos colorrectales grandes. Hasta la fecha, pocos cirujanos realizan endoscopia avanzada y se desconoce cuántos procedimientos se necesitan para alcanzar la competencia.OBJETIVO:Determinar la curva de aprendizaje de la endoscopia colorrectal avanzada.DISEÑO:Retrospectivo.AJUSTE:Centro de referencia terciario.PACIENTES:Consultamos una base de datos institucional mantenida prospectivamente de endoscopia avanzada realizada por un cirujano colorrectal de alto volumen entre 2011 y 2018.PRINCIPALES MEDIDAS DE RESULTADO:Se compararon las características de la endoscopia avanzada en seis intervalos cronológicos. Los puntos finales primarios fueron las tasas de complicaciones y recurrencia de pólipos. El criterio de valoración secundario fue el cambio en la tasa de eliminación de pólipos (mm/h) a lo largo del tiempo.RESULTADOS:Un total de 207 pacientes se sometieron a una endoscopia avanzada por un solo pólipo colorrectal. La mediana del tamaño de los pólipos fue de 30 (4-70) mm, el 61,5% se ubicaron en el colon derecho y el 8,8% fueron malignos. El tiempo medio del procedimiento fue de 77 (rango: 16-320) minutos. La resección inmediata del colon ocurrió en 25 pacientes debido a la sospecha de cáncer o preocupación por la perforación y fueron excluidos del análisis de la curva de aprendizaje. Los restantes 182 procedimientos de endoscopia avanzada se dividieron en intervalos de 30 procedimientos. La mediana de la tasa de extirpación fue más alta en el último intervalo y en la sala de endoscopia. Se logró una tasa de extirpación de 30 mm/hr después de realizar 100 casos. La tasa de complicaciones (sangrado o retorno al quirófano) fue del 12,1% y fue similar en todos los intervalos. La tasa de reingreso fue del 11,5% y el 6,6% de las colonoscopias de seguimiento a los 6 meses mostraron recurrencia de pólipos en el sitio de la resección.LIMITACIONES:Diseño retrospectivo, cirujano único.CONCLUSIÓN:La curva de aprendizaje para lograr el dominio de la endoscopia avanzada en el colon y el recto requiere un mínimo de 100 casos con una baja tasa de complicaciones, baja tasa de recurrencia de pólipos, alta tasa de resección en bloque y una tasa de eliminación de pólipos de 30 mm/h. Consulte el Video Resumen en http://links.lww.com/DCR/C162 . (Traducción-Dr. Yesenia.Rojas-Khalil ).
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Affiliation(s)
- Danica N Giugliano
- Department of Colorectal Surgery, Digestive Disease and Surgery Institute, Cleveland Clinic, Cleveland, Ohio
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Steinbrück I, Faiss S, Dumoulin FL, Oyama T, Pohl J, von Hahn T, Schmidt A, Allgaier HP. Predictive Factors for the Outcome of Unsupervised Endoscopic Submucosal Dissection During the Initial Learning Curve with Prevalence-Based Indication. Dig Dis Sci 2023; 68:3614-3624. [PMID: 37421512 DOI: 10.1007/s10620-023-08026-9] [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: 02/11/2023] [Accepted: 06/26/2023] [Indexed: 07/10/2023]
Abstract
BACKGROUND For an adequate educational strategy of ESD in non-Asian settings with prevalence-based indication it is essential to define adequate lesions, suitable for the beginner without on-site expert-supervision. AIMS We analyzed possible predictors for outcome parameters of effectiveness and safety during the initial learning curve. METHODS The first 120 ESDs of four operators (n = 480), performed between 2007 and 2020 in four tertiary hospitals, were enrolled. Uni-/multivariable regression analysis was done with sex, age, pretreated lesion, lesion size, organ, and organ-based localization as possible independent predictors for en bloc resection (EBR), complication, and resection speed. RESULTS Rates of EBR, complication, and resection speed were 84.5%, 14.2%, and 6.20 (± 4.45) cm2/h. Independent predictors for EBR were pretreated lesion (OR 0.27 [0.13-0.57], p < 0.001) and non-colonic ESD (OR 2.29 [1.26-4.17] (rectum)/5.72 [2.36-13.89] (stomach)/7.80 [2.60-23.42] (esophagus), p < 0.001), for complication pretreated lesion (OR 3.04 [1.46-6.34], p < 0.001) and lesion size (OR 1.02 [1.004-1.04], p = 0.012) and for resection speed pretreated lesion (RC - 3.10 [- 4.39 to - 1.81], p < 0.001), lesion size (RC 0.13 [0.11-0.16], p < 0.001) and male patient (RC - 1.11 [- 1.85 to - 0.37], p < 0.001). We found no significant difference in the incidence of technically unsuccessful resections in esophageal (1/84), gastric (3/113), rectal (7/181), and colonic (3/101) ESDs (p = 0.76). Technical failure was mainly caused by complication and fibrosis/pretreatment. CONCLUSION During the initial learning curve of an unsupervised ESD program with prevalence-based indication, pretreated lesions and colonic ESDs should be avoided. In contrast, lesion size and organ-based localizations have less predictive value for the outcome.
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Affiliation(s)
- Ingo Steinbrück
- Department of Medicine and Gastroenterology, Evangelisches Diakoniekrankenhaus Freiburg, Academic Teaching Hospital of University of Freiburg, Wirthstraße 11, 79110, Freiburg, Germany.
| | - Siegbert Faiss
- Department of Gastroenterology, Sana Klinikum Lichtenberg, Academic Teaching Hospital of University of Berlin, Fanningerstraße 32, 10365, Berlin, Germany
| | - Franz Ludwig Dumoulin
- Department of Medicine and Gastroenterology, Gemeinschaftskrankenhaus Bonn, Academic teaching Hospital of University of Bonn, Prinz-Albert-Straße 40, 53113, Bonn, Germany
| | - Tsuneo Oyama
- Department of Endoscopy, Saku Central Hospital Advanced Care Center, 3400-28 Nakagomi, Saku, Nagano, 3850051, Japan
| | - Jürgen Pohl
- Department of Gastroenterology, Asklepios Klinik Altona, Academic Teaching Hospital of University of Hamburg, Paul-Ehrlich-Straße 1, 22763, Hamburg, Germany
| | - Thomas von Hahn
- Department of Gastroenterology, Hepatology and Endoscopy, Asklepios Klinik Barmbek, Academic Teaching Hospital of University of Hamburg, Rübenkamp 220, 22307, Hamburg, Germany
| | - Arthur Schmidt
- Department of Medicine II, Medical Center, University of Freiburg, Faculty of Medicine, Hugstetter Straße 55, 79106, Freiburg, Germany
| | - Hans-Peter Allgaier
- Department of Medicine and Gastroenterology, Evangelisches Diakoniekrankenhaus Freiburg, Academic Teaching Hospital of University of Freiburg, Wirthstraße 11, 79110, Freiburg, Germany
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Masunaga T, Kato M, Sasaki M, Iwata K, Miyazaki K, Kubosawa Y, Mizutani M, Takatori Y, Matsuura N, Nakayama A, Takabayashi K, Yahagi N. Effectiveness of water pressure method in colorectal endoscopic submucosal dissection by novice endoscopists. Endosc Int Open 2023; 11:E641-E648. [PMID: 37502676 PMCID: PMC10370489 DOI: 10.1055/a-2102-7578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 05/25/2023] [Indexed: 07/29/2023] Open
Abstract
Background and study aims Colorectal endoscopic submucosal dissection (ESD) remains challenging for novice endoscopists. Not only the underwater conditions but also active use of water pressure with the water pressure method (WPM) can help widen the submucosal layer. This study aimed to clarify the usefulness of WPM in colorectal ESD, especially for novice endoscopists. Methods This study was ex vivo and enrolled three novices. Each endoscopist performed conventional ESD (C-ESD) and ESD with WPM (WPM-ESD) 10 times on an excised bovine rectum. The treatment outcomes were compared between the two groups. Results Median procedure time was significantly shorter in the WPM-ESD group than in the C-ESD group (54 minutes, interquartile range [IQR] 42-67 vs. 45 minutes, IQR 34-55, P = 0.035). Although no significant difference in the activation time of electrical surgical unit (ESU) during the procedure was noted, the interval time during the procedure at which the ESU was not activated was significantly shorter in the WPM-ESD group (52 minutes, IQR 40-65 vs. 42 minutes, IQR 32-52, P = 0.030) than in the C-ESD group. Moreover, the time required for the endoscope to enter the submucosa was significantly shorter in the WPM-ESD group than in the C-ESD group (8.0 minutes, IQR 6.0-10 vs. 5.0 minutes, IQR 3.0-6.0, P < 0.001). Conclusions The present study reveals that the WPM method significantly shortens the procedure times for novices in colorectal ESD, especially the interval time, which refers to the time spent creating the field of view, and the time required for the endoscope to enter the submucosa.
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Affiliation(s)
- Teppei Masunaga
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine Graduate School of Medicine, Tokyo, Japan
| | - Motohiko Kato
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine Graduate School of Medicine, Tokyo, Japan
| | - Motoki Sasaki
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine Graduate School of Medicine, Tokyo, Japan
| | - Kentaro Iwata
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine Graduate School of Medicine, Tokyo, Japan
| | - Kurato Miyazaki
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine Graduate School of Medicine, Tokyo, Japan
| | - Yoko Kubosawa
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine Graduate School of Medicine, Tokyo, Japan
| | - Mari Mizutani
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine Graduate School of Medicine, Tokyo, Japan
| | - Yusaku Takatori
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine Graduate School of Medicine, Tokyo, Japan
| | - Noriko Matsuura
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine Graduate School of Medicine, Tokyo, Japan
| | - Atsushi Nakayama
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine Graduate School of Medicine, Tokyo, Japan
| | - Kaoru Takabayashi
- Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine Graduate School of Medicine, Tokyo, Japan
| | - Naohisa Yahagi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine Graduate School of Medicine, Tokyo, Japan
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King W, Draganov P, Gorrepati VS, Hayat M, Aihara H, Karasik M, Ngamruengphong S, Aadam AA, Othman MO, Sharma N, Grimm IS, Rostom A, Elmunzer BJ, Yang D. Safety and feasibility of same-day discharge after endoscopic submucosal dissection: a Western multicenter prospective cohort study. Gastrointest Endosc 2023; 97:1045-1051. [PMID: 36731578 DOI: 10.1016/j.gie.2023.01.042] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 11/05/2022] [Accepted: 01/22/2023] [Indexed: 02/04/2023]
Abstract
BACKGROUND AND AIMS Recent Western studies support the safety and efficacy of endoscopic submucosal dissection (ESD) for lesions throughout the GI tract. Although admission for observation after ESD is standard in Asia, a more selective approach may optimize resource utilization. We aimed to evaluate the safety and feasibility of same-day discharge (SDD) after ESD and factors associated with admission. METHODS This was a post hoc analysis of a multicenter, prospective cohort of patients undergoing ESD (2016-2021). The primary end points were safety of SDD and factors associated with post-ESD admission. RESULTS Of 831 patients (median age, 67 years; 57% male) undergoing 831 ESDs (240 performed in the esophagus, 126 in the stomach, and 465 in the colorectum; median lesion size, 44 mm), 588 (71%) were SDD versus 243 (29%) admissions. Delayed bleeding and perforation occurred in 12 (2%) and 4 (.7%) of SDD patients, respectively; only 1 (.2%) required surgery. Of the 243 admissions, 223 (92%) were discharged after ≤24 hours of observation. Interestingly, larger lesion size (>44 mm) was not associated with higher admission rate (odds ratio [OR], .5; 95% confidence interval [CI], .3-.8; P = .001). Lesions in the upper GI tract versus colon (OR, 1.7; 95% CI, 1.1-2.6; P = .01), invasive cancer (OR, 1.9; 95% CI, 1.2-3.1; P = .01), and adverse events (OR, 2.7; 95% CI, 1.5-4.8; P = .001) were independent factors for admission. Admissions were more likely performed by endoscopists with ESD volume <50 cases (OR, 2.1; 95% CI, 1.3-3.3; P = .001) with procedure time >75 minutes (OR, 13.5; 95% CI, 8.5-21.3; P < .0001). CONCLUSIONS SDD after ESD can be safe and feasible. Patients with invasive cancer, lesions in the upper GI tract, longer procedure times, or procedures performed by low-volume ESD endoscopists are more likely to be admitted postprocedure. Risk stratification of patients for SDD after ESD should help optimize resource utilization and enhance ESD uptake in the West. (Clinical trial registration number: NCT02989818.).
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Affiliation(s)
- William King
- Department of Internal Medicine, University of Florida, Gainesville, Florida, USA
| | - Peter Draganov
- Division of Gastroenterology and Hepatology, University of Florida, Gainesville, Florida, USA
| | - V Subhash Gorrepati
- Division of Gastroenterology and Hepatology, University of Florida, Gainesville, Florida, USA
| | - Maham Hayat
- Center for Interventional Endoscopy, AdventHealth, Orlando, Florida, USA
| | - Hiroyuki Aihara
- Division of Gastroenterology, Hepatology and Endoscopy, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Michael Karasik
- Division of Gastroenterology and Hepatology, Hartford Hospital, Hartford, Connecticut, USA
| | - Saowanee Ngamruengphong
- Division of Gastroenterology and Hepatology, Johns Hopkins Medical Center, Baltimore, Maryland
| | - Abdul Aziz Aadam
- Division of Gastroenterology and Hepatology, Northwestern Medicine Digestive Health Center, Chicago, Illinois, USA
| | - Mohamed O Othman
- Gastroenterology and Hepatology Section, Baylor College of Medicine, Houston, Texas, USA
| | - Neil Sharma
- Division of Interventional Endoscopic Oncology and Surgical Endoscopy, Parkview Health, Fort Wayne, Indiana, USA
| | - Ian S Grimm
- Division of Gastroenterology and Hepatology, University of North Carolina Hospitals, Chapel Hill, North Carolina, USA
| | - Alaa Rostom
- Division of Gastroenterology and Hepatology, The Ottawa Hospital, University of Ottawa, Ottawa, Ontario, Canada
| | - B Joseph Elmunzer
- Division of Gastroenterology and Hepatology, The Medical University of South Carolina, Charleston, South Carolina, USA
| | - Dennis Yang
- Center for Interventional Endoscopy, AdventHealth, Orlando, Florida, USA.
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Simsek C, Aihara H. Training in Endoscopic Submucosal Dissection in the United States: The Current Paradigm. Gastrointest Endosc Clin N Am 2023; 33:41-53. [PMID: 36375885 DOI: 10.1016/j.giec.2022.07.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Endoscopic submucosal dissection (ESD) training in Japan is pursued through a designated master-apprentice, organ-based stepwise training model. However, applying a similar program to the United States is not a practical strategy due to the significant differences in the training system and disease prevalence. To incorporate the ESD training into the current advanced endoscopy fellowship program, the use of recently developed techniques and technologies to improve the efficiency of ESD is ideal. The ESD training program in the United States should be prevalence-based, with increased involvement of trainees depending on their objectively assessed competency levels.
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Affiliation(s)
- Cem Simsek
- Division of Gastroenterology, Hepatology and Endoscopy, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Hiroyuki Aihara
- Division of Gastroenterology, Hepatology and Endoscopy, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
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Chow CWS, Fung TLD, Chan PT, Kwok KH. Endoscopic submucosal dissection for colorectal polyps: outcome determining factors. Surg Endosc 2023; 37:1293-1302. [PMID: 36192659 PMCID: PMC9529320 DOI: 10.1007/s00464-022-09672-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Accepted: 09/24/2022] [Indexed: 11/24/2022]
Abstract
BACKGROUND Endoscopic submucosal dissection (ESD) has gained increasing popularity in the management of complicated colorectal polyps. However, clinical outcomes for ESD have remained highly inconsistent worldwide. This study investigated and analysed factors that significantly affect ESD outcomes. METHODS We conducted a single-centred retrospective study on 220 colorectal polyps removed by ESD from 1st January 2016 to 31st December 2020. Data were collected and retrieved from clinical records. Variables studied included patient demographics, ESD technicalities and polyp characteristics. The primary outcome was completeness of resection based on en bloc and R0 resection rates. The secondary outcomes were recurrence, complications and hospital stay. Further analysis was performed for significant outcome determining factors. RESULTS The en bloc resection and R0 resection rates were 97.3% and 65% respectively. Intraprocedural and delayed perforation rates were 3.2% and 0.5% respectively. Intraprocedural and delayed bleeding rates were both 1.8%. Post-polypectomy syndrome rate was 2.7%. The median hospital stay was 4 days. Submucosal fibrosis was a significant determining factor for lower en bloc resection (p = 0.004), lower R0 resection (p = 0.002), intraprocedural perforation (p = 0.001), intraprocedural bleeding (p = 0.025) and post-polypectomy syndrome (p = 0.039). Hybrid snaring was associated with lower en bloc resection (p < 0.001), while longer ESD time was associated with lower R0 resection (p = 0.003) and post-polypectomy syndrome (p = 0.025). Other significant factors for post-polypectomy syndrome included young age (p = 0.021) and large polyp size (p = 0.018). Secondary analysis showed that submucosal fibrosis was significantly associated with non-granular lesions (p < 0.001) and prior biopsy (p = 0.003). CONCLUSION Submucosal fibrosis, hybrid snaring, ESD time, age and polyp size were significant outcome determining factors for ESD. By identifying these factors, strategies may be formulated to improve ESD outcomes.
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Affiliation(s)
- Chi Woo Samuel Chow
- Department of Surgery, Queen Elizabeth Hospital, 30 Gascoigne Road, Kowloon, Hong Kong, China.
| | - Tak Lit Derek Fung
- Department of Surgery, Queen Elizabeth Hospital, 30 Gascoigne Road, Kowloon, Hong Kong, China
| | - Pak Tat Chan
- Department of Surgery, Queen Elizabeth Hospital, 30 Gascoigne Road, Kowloon, Hong Kong, China
| | - Kam Hung Kwok
- Department of Surgery, Queen Elizabeth Hospital, 30 Gascoigne Road, Kowloon, Hong Kong, China
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Cecinato P, Lisotti A, Azzolini F, Lucarini M, Bassi F, Fusaroli P, Sassatelli R. Left colonic localization, non-granular morphology, and pit pattern independently predict submucosal fibrosis of naïve colorectal neoplasms before endoscopic submucosal dissection. Surg Endosc 2022; 37:3037-3045. [PMID: 36542136 DOI: 10.1007/s00464-022-09828-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Accepted: 12/12/2022] [Indexed: 12/24/2022]
Abstract
BACKGROUND Endoscopic submucosal dissection (ESD) represents the method of choice for removal of large colorectal neoplasms with suspected submucosal invasion. Presence and degree of submucosal fibrosis increases ESD duration and technical complexity, reduces the rate of curative resection and reduces safety profile. The aim of the study was to identify pre-procedural predictive factors of submucosal fibrosis in naïve colorectal neoplasms and to assess the impact of fibrosis on technical and clinical ESD outcomes. METHODS All consecutive ESD performed between 2014 and 2021 were retrieved from a prospectively collected database. For each patient, pre-procedural, procedural, and post-procedural data were recorded. Logistic regression was used to identify pre-procedural predictive factors for submucosal fibrosis. The study was approved by Institutional Reviewer Board and registered on ClinicalTrials.gov (NCT04780256). RESULTS One hundred-74 neoplasms (46.6% rectum, 21.8% left colon, 31.6% right colon; size 34.9 ± 17.5 mm) from 169 patients (55.0% male; 69.5 ± 10.4-year-old) were included. 106 (60.9%) neoplasms were granular type laterally spreading tumor (LST-G), 42 (24.1%) non-granular (LST-NG), and 26 (14.9%) sessile; invasive pit pattern was observed in 90 (51.7%) lesions. No fibrosis (F0) mild (F1) and severe (F2) were observed in 62 (35.6%), 92 (52.9%), and 20 (11.5%), respectively. Left colonic localization [OR 3.23 (1.1-9.31)], LST-NG morphology [OR 5.84 (2.03-16.77)] and invasive pit pattern [OR 7.11 (3.11-16.23)] were independently correlated to submucosal fibrosis. Lower curative resection rate (59.8% vs. 93.5%, P < 0.001) was observed in case of fibrosis; the incidence of adverse events was higher in case of severe fibrosis (35.5%) compared to no (3.2%) and mild fibrosis (3.3%; P < 0.001). Procedure time was significantly impacted by presence and degree of fibrosis (P < 0.001). CONCLUSIONS Left colonic localization, LST-NG morphology, and invasive pit pattern are independent predictors of fibrosis, affecting technical and clinical ESD outcomes. Pre-procedural stratification is pivotal to estimate procedure time, required operator's experience and advanced dissection techniques. Cecinato P et al. Left colonic localization, non-granular morphology, and pit pattern independently predict submucosal fibrosis of colorectal neoplasms before endoscopic submucosal dissection. Surg Endosc. 2023.
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Affiliation(s)
- Paolo Cecinato
- Unit of Gastroenterology and Digestive Endoscopy, Azienda USL-IRCCS Di Reggio Emilia, 42123, Reggio Emilia, Italy.
| | - Andrea Lisotti
- Gastroenterology Unit, Hospital of Imola, University of Bologna, Imola, Italy
| | - Francesco Azzolini
- Unit of Digestive Endoscopy, Vita Salute San Raffaele University, Milan, Italy
| | - Matteo Lucarini
- Unit of Gastroenterology and Digestive Endoscopy, Azienda USL-IRCCS Di Reggio Emilia, 42123, Reggio Emilia, Italy
| | - Fabio Bassi
- Unit of Gastroenterology and Digestive Endoscopy, Azienda USL-IRCCS Di Reggio Emilia, 42123, Reggio Emilia, Italy
| | - Pietro Fusaroli
- Gastroenterology Unit, Hospital of Imola, University of Bologna, Imola, Italy
| | - Romano Sassatelli
- Unit of Gastroenterology and Digestive Endoscopy, Azienda USL-IRCCS Di Reggio Emilia, 42123, Reggio Emilia, Italy
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Learning curve of endoscopic submucosal dissection (ESD) with prevalence-based indication in unsupervised Western settings: a retrospective multicenter analysis. Surg Endosc 2022; 37:2574-2586. [PMID: 36344898 DOI: 10.1007/s00464-022-09742-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 10/14/2022] [Indexed: 11/09/2022]
Abstract
BACKGROUND AND AIMS As there is still no consensus about the adequate training strategy for ESD in Western countries, we evaluated unsupervised prevalence-based learning curves including detailed organ-specific subgroup analysis. METHODS The first 120 ESDs of four operators (n = 480) were divided into three groups (1: ESD 1-40, 2: ESD 41-80, 3: ESD 81-120). Outcome parameters were rates of technical success, en bloc and R0 resection, the resection speed, rates of conversion to EMR, curative resection, adverse events, surgery due to adverse events, and recurrence. In addition, we analyzed the achievement of quality benchmarks indicating levels of expertise. RESULTS After exclusion of pretreated lesions, 438 procedures were enrolled in the final analysis. Technical success rates were > 96% with significant improvements regarding rate of en bloc resection (from 82.6 to 91.2%), resection speed (from 4.54 to 7.63 cm2/h), and rate of conversion to EMR (from 22.0 to 8.1%). No significant differences could be observed for rates of R0 resection (65.9 vs. 69.6%), curative resection (55.8 vs. 55.7%), adverse events (16.3 vs. 11.7%), surgery due to adverse events (1.5 vs. 1.3%), and recurrence (12.5 vs. 4.5%). Subgroup and benchmark analysis revealed an improvement in esophageal, gastric, and rectal ESD with achievement of competence levels for the esophagus and stomach within 80 and most of the benchmarks for proficiency level within 120 procedures. Some of the benchmarks could also be achieved in rectal ESD. CONCLUSIONS This trial confirms safety and feasibility of unsupervised ESD along the initial learning curve with prevalence-based indication and exclusion of colonic cases.
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Mitsuyoshi Y, Ide D, Ohya TR, Ishihoka M, Yasue C, Chino A, Igarashi M, Nakashima A, Saito S, Fujisaki J, Saruta M. Training program using a traction device improves trainees' learning curve of colorectal endoscopic submucosal dissection. Surg Endosc 2022; 36:4462-4469. [PMID: 34704150 DOI: 10.1007/s00464-021-08799-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 10/17/2021] [Indexed: 01/29/2023]
Abstract
BACKGROUND Colorectal endoscopic submucosal dissection (ESD) requires advanced endoscopic skill. For safer and more reliable ESD implementation, various traction devices have been developed in recent years. The purpose of this research was to evaluate whether an ESD training program using a traction device (TD) would contribute to the improvement of trainees' skill acquisition. METHODS The differences in treatment outcomes and learning curves by the training program were compared before and after the introduction of TD (control group: January 2014 to March 2016; TD group: April 2016 to June 2018). RESULTS A total of 316 patients were included in the analysis (TD group: 202 cases; control group: 114 cases). The number of cases required to achieve proficiency in ESD techniques was 10 in the TD group and 21 in the control group. Compared to the control group, the TD group had a significant advantage in ESD self-completion rate (73.8% vs. 58.8%), dissection speed (19.5 mm2/min vs. 15.9 mm2/min), en bloc resection rate (100% vs. 90%), and R0 resection rate (96% vs. 83%). CONCLUSIONS The rate of colorectal ESD self-completion by trainees improved immediately after the start of the training program using a traction device compared to the conventional method, and the dissection speed tended to increase linearly with ESD experience. We believe that ESD training using a traction device will help ESD techniques to be performed safely and reliably among trainees.
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Affiliation(s)
- Yuki Mitsuyoshi
- Department of Gastroenterology, The Cancer Institute Hospital of Japanese Foundation for Cancer Research, 3-8-31, Ariake, Koto, Tokyo, 135-8550, Japan
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, The Jikei University School of Medicine, Tokyo, Japan
| | - Daisuke Ide
- Department of Gastroenterology, The Cancer Institute Hospital of Japanese Foundation for Cancer Research, 3-8-31, Ariake, Koto, Tokyo, 135-8550, Japan.
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, The Jikei University School of Medicine, Tokyo, Japan.
| | | | - Mitsuaki Ishihoka
- Department of Gastroenterology, The Cancer Institute Hospital of Japanese Foundation for Cancer Research, 3-8-31, Ariake, Koto, Tokyo, 135-8550, Japan
| | - Chihiro Yasue
- Department of Gastroenterology, The Cancer Institute Hospital of Japanese Foundation for Cancer Research, 3-8-31, Ariake, Koto, Tokyo, 135-8550, Japan
| | - Akiko Chino
- Department of Gastroenterology, The Cancer Institute Hospital of Japanese Foundation for Cancer Research, 3-8-31, Ariake, Koto, Tokyo, 135-8550, Japan
| | - Masahiro Igarashi
- Department of Gastroenterology, The Cancer Institute Hospital of Japanese Foundation for Cancer Research, 3-8-31, Ariake, Koto, Tokyo, 135-8550, Japan
| | - Akio Nakashima
- Division of Nephrology and Hypertension, Department of Internal Medicine, The Jikei University School of Medicine, Tokyo, Japan
| | - Shoichi Saito
- Department of Gastroenterology, The Cancer Institute Hospital of Japanese Foundation for Cancer Research, 3-8-31, Ariake, Koto, Tokyo, 135-8550, Japan
| | - Junko Fujisaki
- Department of Gastroenterology, The Cancer Institute Hospital of Japanese Foundation for Cancer Research, 3-8-31, Ariake, Koto, Tokyo, 135-8550, Japan
| | - Masayuki Saruta
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, The Jikei University School of Medicine, Tokyo, Japan
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10
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Symer M, Connolly J, Yeo H. Management of the Malignant Colorectal Polyp. Curr Probl Surg 2022; 59:101124. [DOI: 10.1016/j.cpsurg.2022.101124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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11
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Mavrogenis G, Ntourakis D, Wang Z, Tsevgas I, Zachariadis D, Kokolas N, Kaklamanis L, Bazerbachi F. The learning experience for endoscopic submucosal dissection in a non-academic western hospital: a single operator's untutored, prevalence-based approach. Ann Gastroenterol 2021; 34:836-844. [PMID: 34815650 PMCID: PMC8596216 DOI: 10.20524/aog.2021.0649] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Accepted: 03/11/2021] [Indexed: 12/26/2022] Open
Abstract
Background Studies of learning experience in endoscopic submucosal dissection (ESD) commonly originate from the East. Little is known about the performance of ESD in low-volume western centers. Furthermore, it is unclear whether ESD can be self-taught without a tutored approach. Methods We performed a retrospective analysis of consecutive ESDs, performed in an untutored prevalence-based fashion by a single operator at a private Greek hospital from 2016-2020. Out of 60 lesions, standard ESD was applied for 54 and enucleation for 6; 41 were mucosal and 19 submucosal; 3 esophageal, 24 gastric, one duodenal, 12 colonic, and 20 rectal. Results Pathology revealed carcinoma (n=14), neuroendocrine tumor (n=7), precancerous lesion (n=27), or other submucosal tumors (n=12). The rates of en bloc and R0 resection were 98% and 91%, respectively. The median resection speed was <3 cm2/h for the first 20 cases, but improved progressively to ≥9 cm2/h after 40 cases. Two patients underwent laparoscopic surgery for colonic perforation, and one received a blood transfusion because of delayed bleeding (serious adverse event rate: 5%). No deaths occurred. The median hospital stay was 1.3 days. Variables associated with improvement in ESD speed during the second period of the study were the application of countertraction and the experience acquired through other endosurgical techniques. Conclusions ESD was safe and effective in a low-volume center, with an acceptable adverse events rate. At least 40 mixed cases were needed to achieve a high resection speed. Additive experience gained through other endosurgical procedures probably contributed to the improvement in performance.
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Affiliation(s)
- Georgios Mavrogenis
- Division of Hybrid Interventional Endoscopy, Department of Gastroenterology, Mediterraneo Hospital, Athens, Greece (Georgios Mavrogenis, Ioannis Tsevgas, Dimitrios Zachariadis)
| | - Dimitrios Ntourakis
- Department of Surgery, School of Medicine, European University of Cyprus, Nicosia, Cyprus (Dimitrios Ntourakis)
| | - Zhen Wang
- Evidence-Based Practice Center, Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery, Mayo Clinic, Rochester, MN, USA (Zhen Wang)
| | - Ioannis Tsevgas
- Division of Hybrid Interventional Endoscopy, Department of Gastroenterology, Mediterraneo Hospital, Athens, Greece (Georgios Mavrogenis, Ioannis Tsevgas, Dimitrios Zachariadis)
| | - Dimitrios Zachariadis
- Division of Hybrid Interventional Endoscopy, Department of Gastroenterology, Mediterraneo Hospital, Athens, Greece (Georgios Mavrogenis, Ioannis Tsevgas, Dimitrios Zachariadis)
| | - Nikolaos Kokolas
- Department of Anesthesiology, Mediterraneo Hospital, Athens, Greece (Nikolaos Kokolas)
| | - Loukas Kaklamanis
- Department of Pathology, Onassis Cardiac Surgery Center, Athens, Greece (Loukas Kaklamanis)
| | - Fateh Bazerbachi
- CentraCare, St Cloud Hospital, Interventional Endoscopy Program, St Cloud, MN, USA (Fateh Bazerbachi)
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12
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Hoffman A, Atreya R, Rath T, Neurath MF. Current Endoscopic Resection Techniques for Gastrointestinal Lesions: Endoscopic Mucosal Resection, Submucosal Dissection, and Full-Thickness Resection. Visc Med 2021; 37:358-371. [PMID: 34722719 DOI: 10.1159/000515354] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Accepted: 02/15/2021] [Indexed: 12/12/2022] Open
Abstract
Background Endoscopic resection of dysplastic lesions in early stages of cancer reduces mortality rates and is recommended by many national guidelines throughout the world. Snare polypectomy and endoscopic mucosal resection (EMR) are established techniques of polyp removal. The advantages of these methods are their relatively short procedure times and acceptable complication rates. The latter include delayed bleeding in 0.9% and a perforation risk of 0.4-1.3%, depending on the size and location of the resected lesion. EMR is a recent modification of endoscopic resection. A limited number of studies suggest that larger lesions can be removed en bloc with low complication rates and short procedure times. Novel techniques such as endoscopic submucosal dissection (ESD) are used to enhance en bloc resection rates for larger, flat, or sessile lesions. Endoscopic full-thickness resection (EFTR) is employed for non-lifting lesions or those not easily amenable to resection. Procedures such as ESD or EFTR are emerging standards for lesions inaccessible to EMR techniques. Summary Endoscopic treatment is now regarded as first-line therapy for benign lesions. Key Message Endoscopic resection of dysplastic lesions or early stages of cancer is recommended. A plethora of different techniques can be used dependent on the lesions.
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Affiliation(s)
- Arthur Hoffman
- Department of Internal Medicine III, Aschaffenburg-Alzenau Clinic, Aschaffenburg, Germany
| | - Raja Atreya
- First Department of Medicine, Friedrich-Alexander University Erlangen-Nürnberg, Erlangen, Germany.,Deutsches Zentrum Immuntherapie, DZI, Erlangen, Germany
| | - Timo Rath
- First Department of Medicine, Friedrich-Alexander University Erlangen-Nürnberg, Erlangen, Germany.,Deutsches Zentrum Immuntherapie, DZI, Erlangen, Germany
| | - Markus Ferdinand Neurath
- First Department of Medicine, Friedrich-Alexander University Erlangen-Nürnberg, Erlangen, Germany.,Deutsches Zentrum Immuntherapie, DZI, Erlangen, Germany
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13
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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: 1] [Impact Index Per Article: 0.3] [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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14
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Kuroha M, Shiga H, Kanazawa Y, Nagai H, Handa T, Ichikawa R, Onodera M, Naito T, Moroi R, Kimura T, Endo K, Kakuta Y, Kinouchi Y, Shimosegawa T, Masamune A. Factors Associated with Fibrosis during Colorectal Endoscopic Submucosal Dissection: Does Pretreatment Biopsy Potentially Elicit Submucosal Fibrosis and Affect Endoscopic Submucosal Dissection Outcomes? Digestion 2021; 102:590-598. [PMID: 32866955 PMCID: PMC8315669 DOI: 10.1159/000510145] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Accepted: 06/28/2020] [Indexed: 02/04/2023]
Abstract
BACKGROUND Submucosal fibrosis observed during colorectal endoscopic submucosal dissection (ESD) is an important factor related to incomplete resection. Biopsy is generally accepted as having the potential to elicit submucosal fibrosis, but few reports have presented definitive proof. This study investigated the relation between submucosal fibrosis and colorectal ESD outcomes and assessed factors related to fibrosis, including pretreatment biopsy. METHODS After reviewing 369 records of colorectal ESD performed between January 2011 and December 2016, we assessed the relation between fibrosis and ESD outcomes. Multiple logistic regression analysis revealed fibrosis risk factors. RESULTS Severe fibrosis was related significantly to ESD outcomes such as the mean procedure time (p < 0.001), en bloc resection rate (p < 0.001), and R0 resection rate (p = 0.011). Multivariate analyses indicated residual lesions (ORs 175.4, p < 0.001), pretreatment biopsy (ORs 8.30, p = 0.002), nongranular-type laterally spreading tumors (LST-NG; ORs 5.86, p = 0.025), and invasive carcinoma (ORs 5.83, p = 0.03) as independent risk factors of severe fibrosis. In each macroscopic type, LST-NG was more strongly related to fibrosis induced by pretreatment than granular-type laterally spreading tumors with adjust ORs of 50.8 and 4.69. CONCLUSIONS Pretreatment biopsy causes submucosal fibrosis resulting in prolonged procedure times and incomplete resection. These findings suggest important benefits of avoiding biopsy before ESD.
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Affiliation(s)
- Masatake Kuroha
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, Sendai, Japan,*Masatake Kuroha, Division of Gastroenterology, Tohoku University Graduate School of Medicine, 1-1 Seiryo-machi, Aoba-ku, Sendai 980-8574 (Japan),
| | - Hisashi Shiga
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yoshitake Kanazawa
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Hiroshi Nagai
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Tomoyuki Handa
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Ryo Ichikawa
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Motoyuki Onodera
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Takeo Naito
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Rintaro Moroi
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Tomoya Kimura
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Katsuya Endo
- Department of Gastroenterology, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Yoichi Kakuta
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yoshitaka Kinouchi
- Health Administration Center, Center for the Advancement of Higher Education, Tohoku University, Sendai, Japan
| | - Tooru Shimosegawa
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Atsushi Masamune
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, Sendai, Japan
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15
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Miyakawa A, Kuwai T, Sakuma Y, Kubota M, Nakamura A, Itobayashi E, Shimura H, Suzuki Y, Shimura K. Learning curve for endoscopic submucosal dissection of early colorectal neoplasms with a monopolar scissor-type knife: use of the cumulative sum method. Scand J Gastroenterol 2020; 55:1234-1242. [PMID: 32853052 DOI: 10.1080/00365521.2020.1807597] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
OBJECTIVE Although scissor-type knives such as the Stag-Beetle (SB) Knife Jr are expected to result in a safe and easy colorectal endoscopic submucosal dissection (CR-ESD), information regarding the learning curve is lacking. Therefore, this study evaluated the learning curve with using SB Knife Jr. MATERIALS AND METHODS We retrospectively reviewed 507 CR-ESD procedures performed in 464 patients using SB Knife Jr. The primary endpoint was a learning curve to achieve a satisfactory complete resection rate. The secondary endpoints were learning curves to achieve a satisfactory en bloc resection rate, curative resection rate, and resection speed. RESULTS The complete, en bloc, and curative resection rates were 91.9%, 95.9%, and 84.0%, respectively. Moving average analysis showed that 39 cases were required for a complete resection rate of >80%, 41 for an en bloc resection rate of >90%, and 50 for a curative resection rate of >75%. We divided the procedure into three phases using the cumulative sum method: I, II, and III (cases 1-36, 37-119, and 120-507, respectively). Although we found no significant between-phase differences, the complete resection rate showed an increasing trend in Phase III (83.3 vs. 89.2 vs. 93.3%; p = .099). The en bloc resection rate (91.7 vs. 91.6 vs. 97.2%; p = .047) and resection speed (20.5 vs. 7.2 vs. 6.8 min/cm2; p < .001) were greater in Phase III. Despite the larger specimen size (27.3 vs. 38.2 vs. 40.4 mm; p < .001) and more severe fibrosis (p < .001) in Phase III, the procedure time was shorter (73.8 vs. 57.8 vs. 54.2 min; p = .041). The curative resection rate was not significantly different between phases. CONCLUSIONS SB Knife Jr enables safe and easy CR-ESD during the introductory period compared to the conventional tip-type knife and has an acceptable learning curve. Therefore, using this knife will encourage the widespread adoption of CR-ESD in Asian general hospitals and non-Asian countries.
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Affiliation(s)
- Akihiro Miyakawa
- Department of Gastroenterology, Asahi General Hospital, Asahi, Japan
| | - Toshio Kuwai
- Department of Gastroenterology, National Hospital Organization Kure Medical Center and Chugoku Cancer Center, Kure, Japan
| | - Yukie Sakuma
- Clinical Research Center, Asahi General Hospital, Asahi, Japan
| | - Manabu Kubota
- Department of Gastroenterology, Asahi General Hospital, Asahi, Japan
| | - Akira Nakamura
- Department of Gastroenterology, Asahi General Hospital, Asahi, Japan
| | - Ei Itobayashi
- Department of Gastroenterology, Asahi General Hospital, Asahi, Japan
| | - Haruhisa Shimura
- Department of Gastroenterology, Asahi General Hospital, Asahi, Japan
| | - Yoshio Suzuki
- Department of Pathology, Asahi General Hospital, Asahi, Japan
| | - Kenji Shimura
- Department of Gastroenterology, Asahi General Hospital, Asahi, Japan
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16
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McCarty TR, Aihara H. Current state of education and training for endoscopic submucosal dissection: Translating strategy and success to the USA. Dig Endosc 2020; 32:851-860. [PMID: 31797470 DOI: 10.1111/den.13591] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Accepted: 12/02/2019] [Indexed: 02/08/2023]
Abstract
Endoscopic submucosal dissection (ESD) is a rigorous and technically sophisticated method for removal of lesions within the gastrointestinal tract. Despite having advantages of en-bloc resection of lesions, regardless of size, and widespread use in Japan and Asia, ESD has not become widely adopted in the USA for a variety of reasons. Based upon Japanese education and the master-apprentice model, modification to the education system and additional techniques designed to facilitate broader adoption are required for trainees in the USA. This article will review the current state of education and training for ESD in the USA.
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Affiliation(s)
- Thomas R McCarty
- Division of Gastroenterology, Hepatology and Endoscopy, Brigham and Women's Hospital, Harvard Medical School, Boston, USA
| | - Hiroyuki Aihara
- Division of Gastroenterology, Hepatology and Endoscopy, Brigham and Women's Hospital, Harvard Medical School, Boston, USA
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17
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Feasibility and learning curve of unsupervised colorectal endoscopic submucosal hydrodissection at a Western Center. Eur J Gastroenterol Hepatol 2020; 32:804-812. [PMID: 32175984 DOI: 10.1097/meg.0000000000001703] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
OBJECTIVES Colorectal endoscopic submucosal dissection (CR-ESD) is an evolving technique in Western countries. We aimed to determine the results of the untutored implementation of endoscopic submucosal hydrodissection for the treatment of complex colorectal polyps and establish the learning curve for this technique. METHODS This study included data from 80 consecutive CR-ESDs performed by a single unsupervised western therapeutic endoscopist. To assess the learning curve, procedures were divided into four groups of 20 each. RESULTS En bloc resection was achieved in 55, 75, 75 and 95% cases in the consecutive time periods (period 1 vs. 4, P = 0.003). Curative resection was achieved in 55, 75, 70 and 95%, respectively (P = 0.037). Overall, series results demonstrated R0 resection in 75% of cases, with 23.7% requiring conversion to endoscopic piecemeal mucosal resection, and 1.25% incomplete resections. Complications included perforations (7.5%) and bleeding (3.7%). Multivariate analysis revealed factors more likely to result in association with non en bloc vs. En bloc resection, where polyp size ≥35 mm [70 vs. 23.4%; odds ratio (OR) 13.2 (1.7-100.9); P = 0. 013], severe fibrosis [40 vs. 11.7%; OR 10.2 (1.2-86.3); P = 0.033] and where carbon dioxide for insufflation was not used [65 vs. 30%; OR 0.09 (0.01-0.53); P = 0.008]. CONCLUSION CR-ESD by hydrodissection has good safety and efficacy profile and offers well tolerated and effective treatment for complex polyps. As such, this technique may be useful in the West, in centers, where previous gastric ESD is not frequent or Japanese mentoring is not possible.
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18
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Sugiyama T, Iwaizumi M, Kaneko M, Tani S, Yamade M, Hamaya Y, Furuta T, Miyajima H, Osawa S, Baba S, Maekawa M, Sugimoto K. DNA mismatch repair is not disrupted in stage 0 colorectal cancer resected using endoscopic submucosal dissection. Oncol Lett 2020; 20:2435-2441. [PMID: 32782560 PMCID: PMC7399995 DOI: 10.3892/ol.2020.11799] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Accepted: 06/15/2020] [Indexed: 12/17/2022] Open
Abstract
The frequency of deficient mismatch repair (dMMR) or microsatellite instability-high colorectal cancer (CRC) is estimated to be ~15% of all patients with CRC; however, the patients reported are limited to surgical cases, and the frequency of patients exhibiting stage 0 disease is not considered, despite the currently increasing use of endoscopic techniques to cure a number of these patients. In the present study, the DNA MMR status for stage 0 patients with CRC treated using endoscopic submucosal dissection or endoscopic mucosal resection was analyzed via immunohistochemical staining of four types of proteins, namely MutL homolog 1 (MLH1), MutS homolog 2 (MSH2), MSH6 and PMS1 homolog 2 MMR system component, in adenocarcinoma specimens. Notably, none of the endoscopically resected specimens exhibited dMMR among the 41 patients diagnosed with stage 0 CRC. Since tumors harboring dMMR progress more rapidly than tumors with chromosomal instability, the present results highlight the importance of tumor resection during very early phases that exist before the promoter region of MLH1 becomes hypermethylated, resulting in a loss of DNA MMR function.
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Affiliation(s)
- Tomohiro Sugiyama
- First Department of Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka 431-3192, Japan
| | - Moriya Iwaizumi
- Department of Laboratory Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka 431-3192, Japan
| | - Masanao Kaneko
- First Department of Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka 431-3192, Japan
| | - Shinya Tani
- First Department of Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka 431-3192, Japan
| | - Mihoko Yamade
- First Department of Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka 431-3192, Japan
| | - Yasushi Hamaya
- First Department of Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka 431-3192, Japan
| | - Takahisa Furuta
- Center for Clinical Research, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka 431-3192, Japan
| | - Hiroaki Miyajima
- First Department of Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka 431-3192, Japan
| | - Satoshi Osawa
- Department of Endoscopic and Photodynamic Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka 431-3192, Japan
| | - Satoshi Baba
- Department of Diagnostic Pathology, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka 431-3192, Japan
| | - Masato Maekawa
- Department of Laboratory Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka 431-3192, Japan
| | - Ken Sugimoto
- First Department of Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka 431-3192, Japan
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Hossain E, Alkandari A, Bhandari P. Future of Endoscopy: Brief review of current and future endoscopic resection techniques for colorectal lesions. Dig Endosc 2020; 32:503-511. [PMID: 31242329 DOI: 10.1111/den.13475] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Accepted: 06/24/2019] [Indexed: 12/13/2022]
Abstract
Endoscopic treatment of colorectal lesions has seen major developments in the last decade. It is now considered curative for intramucosal and superficial submucosal cancers. Endoscopic Mucosal Resection in expert hands has very good outcomes with low complication rates but recurrence and inadequate treatment of early cancers remain an issue. This has led to a technical evolution that can lead to one piece resection of neoplasia. This includes a range of techniques from knife assisted snare resection (KAR), endoscopic submucosal dissection (ESD) to full thickness resections. This article reviews all the resection techniques and the evidence base behind them.
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20
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Review on colorectal endoscopic submucosal dissection focusing on the technical aspect. Surg Endosc 2020; 34:3766-3787. [PMID: 32342217 DOI: 10.1007/s00464-020-07599-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2020] [Accepted: 04/23/2020] [Indexed: 12/11/2022]
Abstract
BACKGROUND Endoscopic submucosal dissection (ESD) enables removal of broad-based colorectal polyps or lateral spreading tumors with a higher rate of en bloc resection and a lower risk of local recurrence. However, it is technically demanding. Over the past 20 years, various equipment and innovative techniques have been developed to reduce the difficulty of ESD. The information in the literature is scattered. Our aim is to provide a comprehensive review on the setup and technical aspects of colorectal ESD. METHODS We searched the PubMed database and systemically reviewed all original and review articles related to colorectal ESD. Further manual search according to reference lists of identified articles were done. The selected articles were categorized and reviewed. Original figures were created to help readers understand some of the ESD techniques. RESULTS A total of 216 articles were identified, in which 25 of them were review articles and 191 of them were original articles. They were categorized and reviewed. An in-depth appraisal of the setting, equipment, and technical aspects of colorectal ESD was performed. CONCLUSIONS Although ESD is a technically demanding procedure that requires expert endoscopic skills, it can be mastered. With good peri-procedural preparation, sufficient knowledge of the equipment, and thorough understanding of the useful endoscopic tricks and maneuvers, colorectal ESD can be performed smoothly and safely.
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Real-world learning curve analysis of colorectal endoscopic submucosal dissection: a large multicenter study. Surg Endosc 2019; 34:3344-3351. [DOI: 10.1007/s00464-019-07104-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Accepted: 08/21/2019] [Indexed: 12/12/2022]
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Akahoshi K, Shiratsuchi Y, Oya M, Koga H, Kubokawa M, Nakama N, Akahoshi K, Ihara E. Endoscopic submucosal dissection with a grasping-type scissors for early colorectal epithelial neoplasms: a large single-center experience. VideoGIE 2019; 4:486-492. [PMID: 31709338 PMCID: PMC6831854 DOI: 10.1016/j.vgie.2019.05.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/09/2023] Open
Abstract
Background and aims The Clutch Cutter (CC) can grasp, pull, coagulate, and incise targeted tissue with the use of electrosurgical current. It was developed as a biopsy technique to reduce the technical difficulty of endoscopic submucosal dissection (ESD) with knives. The aim of this study was to evaluate the efficacy and safety of ESD using the CC (ESD-CC) for early colorectal epithelial neoplasms (ECENs). Methods In this prospective study, we enrolled 437 consecutive patients with a diagnosis of ECEN between January 2009 and January 2018. They all satisfied the Japanese colorectal cancer treatment guidelines for ESD; namely, confirmation by preliminary endoscopy, EUS, and endoscopic biopsy. The CC was used for all steps of ESD (mucosal incision, submucosal dissection, and hemostatic treatment); therapeutic efficacy and safety were assessed. Results The en bloc resection rate was 99.3% (434/437), and the R0 resection rate was 87.0% (380/437). The mean operating time was 88.3 minutes. Perforation occurred in 10 cases (2.3%) and was managed with conservative medical treatment. Post-ESD-CC bleeding occurred in 10 cases (2.3%) and was successfully treated by endoscopic hemostatic treatment. Conclusions ESD-CC is a technically efficient, safe, and easy method for resecting ECEN.
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Affiliation(s)
- Kazuya Akahoshi
- Department of Gastroenterology, Aso Iizuka Hospital, Iizuka, Japan
| | - Yuki Shiratsuchi
- Department of Gastroenterology, Aso Iizuka Hospital, Iizuka, Japan
| | - Masafumi Oya
- Department of Pathology, Aso Iizuka Hospital, Iizuka, Japan
| | - Hidenobu Koga
- Department of Health Information Management, Aso Iizuka Hospital, Iizuka, Japan
| | - Masaru Kubokawa
- Department of Gastroenterology, Aso Iizuka Hospital, Iizuka, Japan
| | - Naotaka Nakama
- Department of Gastroenterology, Aso Iizuka Hospital, Iizuka, Japan
| | - Kazuaki Akahoshi
- Department of Gastroenterology, Aso Iizuka Hospital, Iizuka, Japan
| | - Eikichi Ihara
- Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
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Ide D, Saito S, Ohya TR, Nishikawa Y, Horie Y, Yasue C, Chino A, Igarashi M, Saruta M, Fujisaki J. Colorectal endoscopic submucosal dissection can be efficiently performed by a trainee with use of a simple traction device and expert supervision. Endosc Int Open 2019; 7:E824-E832. [PMID: 31198847 PMCID: PMC6561769 DOI: 10.1055/a-0901-7113] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2018] [Accepted: 02/26/2019] [Indexed: 02/07/2023] Open
Abstract
Background and study aims Colorectal endoscopic submucosal dissection (ESD) is technically challenging owing to submucosal fibrosis and difficult endoscope manipulation. Therefore, various traction methods have been reported. We often use a simple looped nylon thread attached to a clip to assist with dissection. We assessed the feasibility of mentor-guided colorectal ESD using this traction device (TD). Patients and methods From December 2017 to March 2018, we retrospectively reviewed outcomes of 101 colorectal ESDs performed by two groups of endoscopists (A, 5 endoscopists with colorectal ESD experience of < 50 cases; B, 5 endoscopists with experience of > 300 cases). Group A was further divided into two subgroups that performed ESD with or without TD. Results No significant difference was observed in ESD completion rates (86.1 % [62/72] vs. 96.6 % [28/29]; odds ratio [OR], 0.22; 95 % confidence interval [CI], 0.005 - 1.71; P = 0.17) or procedure times (52.0 min vs. 40.0 min; P = 0.27) and adverse event rates between groups A and B. The rate of TD use was significantly higher in group A than in group B (44.4 % [32/72] vs. 20.7 % [6/29]; OR, 3.03; CI, 1.04 - 10.23; P = 0.03). The completion rate was not different between the two subgroups of group A (with vs. without TD) (81.2 % [26/32] vs. 90.0 % [36/40]; OR, 0.49; CI, 0.09 - 2.29; P = 0.32); however, the proportion of fibrosis cases was significantly higher in the TD-use group (46.8 % [15/32] vs. 22.5 % [9/40]; OR, 2.99; CI, 0.98 - 9.59; P = 0.03). Conclusion Mentor-guided colorectal ESD using TD was performed efficiently, safely, and in a manner comparable to that of experts.
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Affiliation(s)
- Daisuke Ide
- Department of Lower Gastrointestinal Medicine, The Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo, Japan,Department of Internal Medicine, Division of Gastroenterology and Hepatology, The Jikei University School of Medicine, Tokyo, Japan,Corresponding author Daisuke Ide, MD, PhD Department of Lower Gastrointestinal MedicineThe Cancer Institute Hospital of Japanese Foundation for Cancer Research3-8-31, Ariake, KotoTokyo 135-8550Japan+81-3-3520-0141
| | - Shoichi Saito
- Department of Lower Gastrointestinal Medicine, The Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo, Japan
| | | | - Yuske Nishikawa
- Department of Lower Gastrointestinal Medicine, The Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Yoshimasa Horie
- Department of Lower Gastrointestinal Medicine, The Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Chihiro Yasue
- Department of Lower Gastrointestinal Medicine, The Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Akiko Chino
- Department of Lower Gastrointestinal Medicine, The Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Masahiro Igarashi
- Department of Lower Gastrointestinal Medicine, The Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Masayuki Saruta
- Department of Internal Medicine, Division of Gastroenterology and Hepatology, The Jikei University School of Medicine, Tokyo, Japan
| | - Junko Fujisaki
- Department of Upper Gastrointestinal Medicine, The Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo, Japan
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Mocker L, Hildenbrand R, Oyama T, Sido B, Yahagi N, Dumoulin FL. Implementation of endoscopic submucosal dissection for early upper gastrointestinal tract cancer after primary experience in colorectal endoscopic submucosal dissection. Endosc Int Open 2019; 7:E446-E451. [PMID: 30931376 PMCID: PMC6428673 DOI: 10.1055/a-0854-3610] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2018] [Accepted: 12/03/2018] [Indexed: 12/21/2022] Open
Abstract
Background Current guidelines recommend endoscopic submucosal dissection (ESD) as a treatment option for early cancers of the upper gastrointestinal tract with absent or minimal risk of lymph node metastasis. However, due to the low prevalence of these entities, it is difficult to achieve a competence level for ESD of upper gastrointestinal tract cancers in the Western World. Here, we present single-center data on the implementation of upper gastrointestinal ESD after previous experience with 89 colorectal ESD cases. Methods Retrospective case series of 39 consecutive patients with early cancers of the esophagus (n = 13) or cardia and stomach (n = 26) treated with ESD over a 4-year period. Results ESD was technically feasible in all cases with en bloc, R0, and curative resection rates of 100 %, 76.9 %, and 71.8 %, respectively, and a mean procedure time of 100 minutes (30 - 360 minutes). After an initial 20 procedures, the R0 and curative resection rates increased from 65.0 % to 89.5 %, and from 60.0 % to 84.2 %, respectively. Complications were observed in four patients (10.3 %): three perforations, one case of delayed bleeding, and one esophageal stricture. No case required emergency surgery; the 30-day mortality rate was 0 %. Conclusion In this modest case series from Europe, we observed an effectiveness and complication rate for ESD for early esophageal and gastric cancer that are comparable to other series from Europe but also to more abundant data from Asia. The results indicate that even small numbers of upper gastrointestinal cancers can be managed adequately in centers with expertise in colorectal ESD.
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Affiliation(s)
- Lena Mocker
- Department of Medicine and Gastroenterology, Gemeinschaftskrankenhaus Bonn, Academic Teaching Hospital, University of Bonn, Bonn, Germany
| | | | - Tsuneo Oyama
- Department of Endoscopy, Saku Central Hospital Advanced Care Center, Saku, Nagano, Japan
| | - Bernd Sido
- Department of General and Abdominal Surgery, Gemeinschaftskrankenhaus Bonn, Academic Teaching Hospital, University of Bonn, Bonn, Germany
| | - Naohisa Yahagi
- Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan
| | - Franz Ludwig Dumoulin
- Department of Medicine and Gastroenterology, Gemeinschaftskrankenhaus Bonn, Academic Teaching Hospital, University of Bonn, Bonn, Germany,Corresponding author Professor Dr. Franz Ludwig Dumoulin Department of Medicine and GastroenterologyGemeinschaftskrankenhaus BonnAcademic Teaching HospitalUniversity of BonnBonner Talweg 4-6D-53113 BonnGermany+49-228-5081562
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Rönnow CF, Uedo N, Toth E, Thorlacius H. Endoscopic submucosal dissection of 301 large colorectal neoplasias: outcome and learning curve from a specialized center in Europe. Endosc Int Open 2018; 6:E1340-E1348. [PMID: 30410955 PMCID: PMC6221812 DOI: 10.1055/a-0733-3668] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2018] [Accepted: 07/31/2018] [Indexed: 12/16/2022] Open
Abstract
Background and study aims Endoscopic submucosal dissection (ESD) allows en bloc resection of large colorectal lesions but ESD experience is limited outside Asia. This study evaluated implementation of ESD in the treatment of colorectal neoplasia in a Western center. Patients and methods Three hundred and one cases of colorectal ESD (173 rectal and 128 colonic lesions) were retrospectively evaluated in terms of outcome, learning curve and complications. Results Median size was 4 cm (range 1 - 12.5). En bloc resection was achieved in 241 cases amounting to an en bloc resection rate of 80 %. R0 resection was accomplished in 207 cases (69 %), RX and R1 were attained in 83 (27 %) and 11 (4 %) cases, respectively. Median time was 98 min (range 10 - 588) and median proficiency was 7.2 cm 2 /h. Complications occurred in 24 patients (8 %) divided into 12 immediate perforations, five delayed perforations, one immediate bleeding and six delayed bleedings. Six patients (2 %), all with proximal lesions, had emergency surgery. Two hundred and four patients were followed up endoscopically and median follow-up time was 13 months (range 3 - 53) revealing seven recurrences (3 %). En bloc rate improved gradually from 60 % during the first period to 98 % during the last period. ESD proficiency significantly improved between the first study period (3.6 cm 2 /h) and the last study period (10.8 cm 2 /h). Conclusions This study represents the largest material on colorectal ESD in the west and shows that colorectal ESD can be implemented in clinical routine in western countries after appropriate training and achieve a high rate of en bloc and R0 resection with a concomitant low incidence of complications. ESD of proximal colonic lesions should be attempted with caution during the learning curve because of higher risk of complications.
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Affiliation(s)
- Carl-Fredrik Rönnow
- Department of Clinical Sciences, Surgery, Skåne University Hospital, Lund University, Malmö, Sweden
| | - Noriya Uedo
- Department of Gastrointestinal Oncology, Osaka International Cancer Institute, Osaka, Japan
| | - Ervin Toth
- Department of Clinical Sciences, Gastroenterology, Skåne University Hospital, Lund University, Malmö, Sweden
| | - Henrik Thorlacius
- Department of Clinical Sciences, Surgery, Skåne University Hospital, Lund University, Malmö, Sweden,Corresponding author Henrik Thorlacius, MD, PhD Department of Clinical Sciences, MalmöSection of SurgerySkåne University HospitalLund UniversityS-205 02 MalmöSweden+46-40-336207
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Yamamoto S, Radomski T, Shafazand M. Implementation of mentor-assisted colorectal endoscopic submucosal dissection in Sweden; learning curve and clinical outcomes. Scand J Gastroenterol 2018; 53:1146-1152. [PMID: 30270682 DOI: 10.1080/00365521.2018.1498912] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
OBJECTIVE It's still challenging to introduce colorectal (CR) ESD in Western countries. We assessed the feasibility of introducing and implementing CR-ESD in Sweden with hiring Japanese expert as a supervisor. METHODS We analyzed 71 consecutive CR-ESD cases performed by two endoscopists who had no (endoscopist A (E-A)) or 20 cases (endoscopist B (E-B)) of experience in ESD. E-A performed rectal lesions while E-B performed lesions in any locations. Factors associated with failure in en bloc resection and in self-accomplishment were analyzed. RESULTS Overall en bloc and R0 resection rates were 80.3% and 70.4%. Adverse event occurred in 7.0% including two perforations, two post-operative hemorrhage and one delayed perforation. Only case with delayed perforation underwent surgical treatment. Total self-accomplishment rate was 50% (10/20) for E-A, and 37.3% (19/51) for E-B. Dividing each performer's cases into three learning phases, self-accomplishment rates increased from 42.9% to 83.3% for E-A, and from 29.4% to 70.6% for E-B, as well as en bloc resection rates from 71.4% to 100% for E-A, and from 52.9% to 94.1% for E-B. Multivariate analysis revealed that location upper than rectum, lesions with formerly taken biopsy and lesions larger than 30mm were significantly associated with en bloc resection failure. CONCLUSIONS Implementation of CR-ESD with hiring Japanese supervisor for certain period was safe for patients and effective for good learning curve.
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Affiliation(s)
- Shunsuke Yamamoto
- a Department of Gastroenterology , Sahlgrenska University Hospital , Östra , Sweden
| | - Tomasz Radomski
- a Department of Gastroenterology , Sahlgrenska University Hospital , Östra , Sweden
| | - Morteza Shafazand
- a Department of Gastroenterology , Sahlgrenska University Hospital , Östra , Sweden
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Yamamoto K, Shimoda R, Ogata S, Hara M, Ito Y, Tominaga N, Nakayama A, Sakata Y, Tsuruoka N, Iwakiri R, Fujimoto K. Perforation and Postoperative Bleeding Associated with Endoscopic Submucosal Dissection in Colorectal Tumors: An Analysis of 398 Lesions Treated in Saga, Japan. Intern Med 2018; 57:2115-2122. [PMID: 29607956 PMCID: PMC6120842 DOI: 10.2169/internalmedicine.9186-17] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Objective The aim of this study was to clarify the safety of colorectal endoscopic submucosal dissection (ESD) during the era of health insurance coverage starting from April 2012 in Japan. Methods Between April 2012 and May 2016, ESD was applied to 398 lesions in 373 patients. Risk factors for serious complications of colorectal ESD, perforation and post-ESD bleeding, were evaluated focusing on the resected specimen size, location, growth pattern, invasion depth, histopathology, postoperative clipping, and procedure time. In addition, the relationship between serious complications and patients' background characteristics was analyzed. Results Among 373 patients, perforation occurred in 12 patients and post-ESD bleeding in 19 patients. A univariate analysis showed that the risk factors for perforation were the lesion size, the resected specimen size, and a long operation time. A multivariate analysis showed that a long operation time was a risk factor for perforation during colorectal ESD. A univariate analysis indicated that significant risk factors for postoperative bleeding were a long operation time, rectal lesion, and cancer. All patients with serious complications were treated by an endoscopic procedure without blood transfusion or the need to convert to open surgery. Conclusion The present study suggests that colorectal ESD may be accepted with relative safety in Japan as a common therapeutic approach for early colorectal cancer.
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Affiliation(s)
- Koji Yamamoto
- Departments of Internal Medicine, Saga Medical School, Saga Medical School, Japan
- Department of Gastroenterology, Saga Prefectural Medical Center, Japan
| | - Ryo Shimoda
- Departments of Internal Medicine, Saga Medical School, Saga Medical School, Japan
| | - Shinichi Ogata
- Department of Gastroenterology, Saga Prefectural Medical Center, Japan
| | - Megumi Hara
- Departments of Preventive Medicine, Saga Medical School, Saga Medical School, Japan
| | - Yoichiro Ito
- Departments of Internal Medicine, Saga Medical School, Saga Medical School, Japan
- Department of Gastroenterology, Saga Prefectural Medical Center, Japan
| | - Naoyuki Tominaga
- Department of Gastroenterology, Saga Prefectural Medical Center, Japan
| | - Atsushi Nakayama
- Departments of Internal Medicine, Saga Medical School, Saga Medical School, Japan
- Department of Gastroenterology, Saga Prefectural Medical Center, Japan
| | - Yasuhisa Sakata
- Departments of Internal Medicine, Saga Medical School, Saga Medical School, Japan
| | - Nanae Tsuruoka
- Departments of Internal Medicine, Saga Medical School, Saga Medical School, Japan
| | - Ryuichi Iwakiri
- Departments of Internal Medicine, Saga Medical School, Saga Medical School, Japan
| | - Kazuma Fujimoto
- Departments of Internal Medicine, Saga Medical School, Saga Medical School, Japan
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Fuccio L, Bhandari P, Maselli R, Frazzoni L, Ponchon T, Bazzoli F, Repici A. Ten quality indicators for endoscopic submucosal dissection: what should be monitored and reported to improve quality. ANNALS OF TRANSLATIONAL MEDICINE 2018; 6:262. [PMID: 30094248 DOI: 10.21037/atm.2018.05.42] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
In the last decade, endoscopic submucosal dissection (ESD) has become more popular in Asia and, more recently, also in Europe and North America, however the issue of quality control has never been raised. Therefore, there is an urgent need to identify possible quality indicators to monitor as part of internal audit process. This is particularly compelling, since the diffusion of ESD outside Asian, super-expert, high-volume, tertiary referral centers. In the current review, we raised the issue of quality control for ESD and proposed a list of ten possible quality indicators that should be monitored by each endoscopist and reported in every study reporting results on ESD procedures. We feel that these quality indicators should be used in clinical practice by endoscopists to benchmark the data with the internationally recommended standards.
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Affiliation(s)
- Lorenzo Fuccio
- Department of Medical and Surgical Sciences, S. Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy
| | - Pradeep Bhandari
- Department of Digestive Diseases, Queen Alexandra Hospital, Portsmouth, UK
| | - Roberta Maselli
- Digestive Endoscopy Unit, Division of Gastroenterology, Humanitas Research and University Hospital, Rozzano, Italy
| | - Leonardo Frazzoni
- Department of Medical and Surgical Sciences, S. Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy
| | - Thierry Ponchon
- Department of Gastroenterology and Endoscopy, Edouard Herriot Hospital, Lyon, France
| | - Franco Bazzoli
- Department of Medical and Surgical Sciences, S. Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy
| | - Alessandro Repici
- Digestive Endoscopy Unit, Division of Gastroenterology, Humanitas Research and University Hospital, Rozzano, Italy
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