ArticleEsophagus : official journal of the Japan Esophageal Society2025
Efficacy of a novel small-caliber therapeutic endoscope in peroral endoscopic myotomy for esophageal motility disorders: a propensity score matching analysis.
Article in Esophagus : official journal of the Japan Esophageal Society, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Innovations in Advanced Endoscopic Resection of Early Upper Gastrointestinal Cancer.Journal of clinical medicine · 2026Review
- Article
- Technical & clinical evaluation of a novel slim gastroscope in third-space procedures: Feasibility, subjective workload & system usability assessment.Endoscopy international open · 2026Article
- Cricopharyngeal Per Oral Endoscopic Myotomy (C-POEM) With a Novel Therapeutic Gastroscope.Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society · 2025Article
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13 authors.
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Abstract
backgroundEG-840TP is a novel small-caliber therapeutic endoscope with a large working channel. We aimed to evaluate the treatment outcomes of peroral endoscopic myotomy using EG-840TP compared to those using a conventional therapeutic endoscope (GIF-H290T).
methodsPatients who underwent peroral endoscopic myotomy for achalasia and non-achalasia esophageal motility disorders were enrolled between March 2021 and March 2023. Procedure times and other treatment outcomes were compared between patients treated with EG-840TP and GIF-H290T using propensity score matching analysis. In the subgroup analysis, patients were divided into subsets based on myotomy length, morphology, esophageal dilation, and operator skill, and the procedure time was compared between the matched groups.
resultsA total of 154 patients were enrolled in this study, and 39 patients treated using each type of scope were matched. The EG-840TP group tended to have a shorter procedure time than the GIF-H290T group. There were no significant differences between the groups in terms of short-term clinical success or perioperative adverse events. In the subgroup analysis, the procedure time of the EG-840TP group was significantly shorter than that of the GIF-H290T group when patients had a straight esophagus (44 min vs. 54 min, p = 0.0015) and the operator was a non-expert (49 min vs. 64 min, p = 0.031).
conclusionsPOEM using EG-840TP showed procedure time, clinical success, and adverse events equivalent to those of a conventional therapeutic endoscope. However, EG-840TP potentially contributed to a shorter procedure time in patients with a straight esophagus or in non-expert operators than GIF-H290T.
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