The National Polyp Study at 40: challenges then and now

Post written by Sidney J. Winawer, MD, and Ann G. Zauber, PhD, from the Gastroenterology, Hepatology and Nutrition Service, Department of Medicine, and the Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, New York, USA. Colonoscopy was introduced in the 1970s, making it possible for the first time to directly examine …

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New insights on missed colonic lesions during colonoscopy through artificial intelligence–assisted real-time detection

Post written by Wai K. Leung, MD, from the Department of Medicine, Queen Mary Hospital, University of Hong Kong, Hong Kong. This study aimed to determine whether the use of artificial intelligence (AI)-assisted real-time detection could reduce colorectal adenoma miss rate during colonoscopy. Previous studies showed that up to 26% of adenomas could be missed …

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Use of a rigidizing overtube to complete an incomplete colonoscopy

Post written by Mike T. Wei, MD, from Stanford University, Stanford, and Veterans Affairs Palo Alto, Palo Alto California. We present a case of a 64-year-old man with history of C5 spinal cord injury who presented for screening colonoscopy. Unfortunately, due to significant looping, the colonoscope was only able to reach the transverse colon. The colonoscope …

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Impact of a simulation-based ergonomics training curriculum on work-related musculoskeletal injury risk in colonoscopy

Post written by Rishad Khan, MD, and Samir C. Grover, MD, MEd, from the Division of Gastroenterology and the Li Ka Shing Knowledge Institute, St. Michael’s Hospital, and the Department of Medicine, University of Toronto, Toronto, Canada. The focus of our study was a curriculum designed to teach novice endoscopists about ergonomics during colonoscopy. The …

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Computer-aided detection-assisted colonoscopy: classification and relevance of false positives

Post written by Matteo Badalamenti, MD, from the Humanitas Clinical and Research Center IRCCS, Digestive Endoscopy Unit, Division of Gastroenterology, Rozzano, Milan. The focus of our study was to define a structured classification of false-positive (FP) results provided by the Artificial Intelligence CADe system that was recently applied in endoscopic daily practice and to estimate …

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Cost savings in colonoscopy with artificial intelligence-aided polyp diagnosis

Post written by Yuichi Mori, MD, PhD, from the Department of Health Management and Health Economics, Institute of Health and Society, University of Oslo, Oslo, Norway. We just published the first article in the world that investigates the possibility of reducing medical costs by using artificial intelligence (AI) during colonoscopy. This AI tool is designed …

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Evaluating the practice of canceling colonoscopies for presumed inadequate bowel preparation

Post written by Brian C. Jacobson, MD, MPH, from the Boston Medical Center and the Boston University School of Medicine, Boston, Massachusetts, USA. We sought to better understand how often endoscopists cancel a colonoscopy during the triage phase (ie, before colonoscope insertion) because of concern that the patient’s bowel preparation will be inadequate. An important …

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Introducing computer-aided detection to the endoscopy suite

Post written by Jeremy R. Glissen Brown, MD, from the Center for Advanced Endoscopy, Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA. In this issue of VideoGIE, we are excited to present a video primer that outlines a computer-aided detection (CADe) system that we have applied prospectively during screening …

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Effect of individualized feedback on learning curves in EGD and colonoscopy

Post written by Samuel Han, MD, MSCS, and Sachin Wani, MD, from the Division of Gastroenterology and Hepatology, University of Colorado Anschutz Medical Center, Aurora, Colorado, USA. In this study, we aimed to perform a multicenter, randomized, controlled trial examining the effect of individualized feedback on learning curves in EGD and colonoscopy among GI fellows. …

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Efficacy and cost-effectiveness of fecal immunochemical test versus colonoscopy in colorectal cancer screening

Post written by Guo-Chao Zhong, PhD, from the Department of Hepatobiliary Surgery, the Second Affiliated Hospital of Chongqing Medical University, Chongqing, China. The fecal immunochemical test and colonoscopy are the most commonly used strategies for colorectal cancer screening worldwide. Colonoscopy is regarded as the most sensitive test for the early detection of colorectal neoplasia. However, …

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