Effect of opioid-free anaesthesia on postoperative delirium in elderly patients undergoing gastrointestinal surgery: study protocol for a single-centre, prospective, randomized controlled trial

Abstract Background Postoperative delirium (POD) is a common acute and transient form of brain dysfunction in elderly patients following surgery that can lead to serious adverse clinical outcomes and even death. Although existing studies have preliminarily investigated the effects of opioid-free ana...

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Bibliographic Details
Main Authors: Yuehan Du, Mengjie Liu, Xiaoling Yang, Jianbo Wu, Xiaojun Gao, Qiuyue Liu, Lina Chen, Xiaxuan Sun, Min Zhang, Yongtao Sun
Format: Article
Language:English
Published: BMC 2025-07-01
Series:BMC Geriatrics
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Online Access:https://doi.org/10.1186/s12877-025-06145-8
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