Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society
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Review Meta Analysis
Dexmedetomidine versus midazolam for gastrointestinal endoscopy: a meta-analysis.
Patients who undergo gastrointestinal endoscopy often require sedatives such as midazolam and the more recently developed alpha-2 agonist, dexmedetomidine. To assess the efficacy and safety of dexmedetomidine sedation for gastrointestinal endoscopy, we conducted a systematic review and meta-analysis of randomized controlled trials comparing dexmedetomidine with midazolam. ⋯ This meta-analysis shows that dexmedetomidine is a safe and effective sedative agent for gastrointestinal endoscopy, especially endoscopic retrograde cholangiopancreatography and endoscopic submucosal dissection.
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We have developed a technique for endoscopic transplantation of cultured autologous oral mucosal epithelial cell sheets to an esophageal ulcer following endoscopic submucosal dissection (ESD). The epithelial cell sheets successfully prevented esophageal stricture after ESD. ⋯ This regenerative procedure can promote the epithelialization of ulceration safely and effectively. In the near future, the development of advanced endoscopic treatment of regenerative medicine shows promise.
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Colonoscopy is the criterion standard for detecting colorectal adenomas and cancers. However, multiple studies have reported a significant percentage of adenomas are missed during standard, forward-viewing colonoscopy. Missed adenomas can lead to interval colorectal cancers. ⋯ Thus, there is mounting evidence supporting the need to reduce the adenoma 'miss rate' of standard forward-viewing colonoscopy by improving upon current colonoscope technology and its current visualization/optics limitations. Recently, there are a number of emerging technologies that may help revolutionize how colonoscopy is carried out and that will significantly reduce adenoma miss rates. These include the Third Eye® Retroscope® and Third Eye® Panoramic(TM) (Avantis Medical Systems, Sunnyvale, CA, USA); Fuse® Full Spectrum Endoscopy® colonoscopy platform (EndoChoice Inc., Alpharetta, GA, USA); Extra-Wide-Angle-View colonoscope (Olympus, Tokyo, Japan), and the NaviAid(TM) G-EYE(TM) balloon colonoscope (SMART Medical Systems Ltd, Ra'anana, Israel).