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A novel sphincterotome with enhanced rotational capability and a freely flexible blade for bile duct selection to enable gallbladder drainage
Tsuyoshi Suda and others
Journal of the Canadian Association of Gastroenterology, gwaf005, https://doi.org/10.1093/jcag/gwaf005
Published: 11 April 2025
Endoscopic transpapillary gallbladder drainage (ETGBD) is an alternative to percutaneous transhepatic gallbladder drainage for acute cholecystitis, but its success rate is lower (64%-89%) because of technical difficulty. The direction of the cystic duct contributes to the procedure complexity. 1 ...
Assessing the role of ustekinumab dose escalation in Crohn’s disease patients with loss of response: an observational study
Davide De Marco and others
Journal of the Canadian Association of Gastroenterology, gwaf001, https://doi.org/10.1093/jcag/gwaf001
Published: 02 April 2025
Background/Aims Among Crohn’s disease patients with loss of response or non-response to ustekinumab (UST), there remains no clear strategy for dose escalation. Moreover, clinical associations and the role of therapeutic drug monitoring (TDM) are poorly understood. This study assessed response to ...
Assessing colorectal cancer screening and outcomes among First Nations people in Alberta
David Klassen and others
Journal of the Canadian Association of Gastroenterology, gwaf004, https://doi.org/10.1093/jcag/gwaf004
Published: 18 March 2025
Background First Nations (FN) people in Canada are commonly diagnosed with colorectal cancers. Although Canada has treaty responsibilities to ensure FNs people have equitable access to quality health services, access to colorectal cancer screening in Canada by FNs people has not been fully ...
Optimizing proton-pump inhibitor therapy in paediatric eosinophilic esophagitis through CYP2C19 pharmacogenetic testing
Sierra Scodellaro and others
Journal of the Canadian Association of Gastroenterology, gwaf003, https://doi.org/10.1093/jcag/gwaf003
Published: 13 March 2025
Background Eosinophilic esophagitis (EoE) is a chronic inflammatory disorder which can respond to proton-pump inhibitors (PPIs). Genetic variation in the CYP2C19 metabolism gene influences PPI efficacy and adverse effects. Pharmacogenetic testing (PGx) can predict PPI response by analyzing genetic ...
Validation of the Saint Paul’s Endoscopy Comfort Scale (SPECS) for upper gastrointestinal endoscopy
Aein Zarrin and others
Journal of the Canadian Association of Gastroenterology, gwaf002, https://doi.org/10.1093/jcag/gwaf002
Published: 04 March 2025
Introduction Patient comfort is an important predictor of patient satisfaction and a quality indicator in endoscopy. The St. Paul’s Endoscopy Comfort Score (SPECS), previously validated for colonoscopy, was assessed for measuring patient comfort during esophagogastroduodenoscopy (EGD). Methods In ...
Artificial intelligence in hepatology: a comparative analysis of ChatGPT-4, Bing, and Bard at answering clinical questions
Sama Anvari and others
Journal of the Canadian Association of Gastroenterology, Volume 8, Issue 2, April 2025, Pages 58–62, https://doi.org/10.1093/jcag/gwae055
Published: 22 February 2025
Background and Aims The role of artificial intelligence (AI) in hepatology is rapidly expanding. However, the ability of AI chat models such as ChatGPT to accurately answer clinical questions remains unclear. This study aims to determine the ability of large language models (LLMs) to answer ...

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