机构:[1]Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China.四川大学华西医院[2]Department of Emergency Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China.四川大学华西医院[3]Department of Anesthesiology, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of the University of Electronic Science and Technology of China, No. 55, Section 4, Renmin South Road, Chengdu, 610041, Sichuan Province, China. yuchaofan_pain@126.com.四川省人民医院四川省肿瘤医院