Effects of Different Inhaled Oxygen Concentrations on Lung Function in Older Patients After Laparoscopic Gastrointestinal Surgery Under General Anesthesia
研究单位：[1]China Medical University, China[2]Fourth Affiliated Hospital of China Medical University,Shenyang,Liaoning,China,110001[3]the First Hospital of China Medical University,Shenyang,Liaoning,China,110001[4]Beijing Friendship Hospital, Capital Medical University,Beijing,China[5]Sichuan Provincial People's Hospital,Chendu,China[6]Chifeng Municipal Hospital,Chifeng,China[7]First Affiliated Hospital of Chongqing Medical University,Chongqi,China[8]Dalian Third People's Hospital,Dalian,China[9]First Affiliated Hospital, Dalian Medical University,Dalian,China[10]First Affiliated Hospital of Harbin Medical University,Harbin,China[11]Harbin Medical University Cancer Hospital,Harbin,China[12]First Hospital, Jilin University,Jilin,China[13]Affiliated Hospital of Shandong University of Traditional Chinese Medicine,Jinan,China[14]First Medical University and Shandong Provincial Qianfoshan Hospital,Jinan,China[15]First Affiliated Hospital of Kunming Medical University,Kunming,China[16]Affiliated Hospital of Qingdao University,Qingdao,China[17]Liaoning Cancer Hospital and Institute,Shenyang,China[18]Shenzhen People's Hospita,Shenzhen,China[19]First Hospital of Hebei Medical University,Shijia Zhuang,China[20]Second Hospital of Hebei Medical University,Shijia Zhuang,China[21]Tianjin Fifth Central Hospital,Tianjin,China[22]YANBIAN University Hospital（Yanbian Hospital）,Yanbian,China
研究目的：
This was a multicenter, prospective, parallel-grouping, randomized controlled clinical study comparing low FiO2 (40%) and high FiO2 (80%) levels in older patients undergoing laparoscopic gastrointestinal surgery.
