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  1. Article

    Open Access

    Capnographic monitoring reduces hypoxia incidence in older patients undergoing gastrointestinal endoscopy under propofol sedation: study protocol for a multicenter randomized controlled trial

    Hypoxia is a very common adverse event that occurs during gastrointestinal endoscopy under sedation, especially in older patients, owing to limited reservation of heart, brain, lung, and other organs. Prolonge...

    Qiuyue Lian, Shaoyi Chen, **angyang Cheng, Jie Zhang, Weifeng Yu, Renlong Zhou in Trials (2023)