Effect of remote ischemic preconditioning on perioperative neurocognitive disorder in elderly patients undergoing major surgery and associated genetic variant analysis: a randomized clinical trial. - Xu, Feifei; Liu, Tingting; Liu, Huiqing; Deng, Jiao; He, Shan; Lu, Zhihong; Zhang, Haopeng; Dong, Hailong (Perioperative Medicine, 2025)