Affiliation: | 1. Department of Cardiothoracic Surgery, Renmin Hospital of Wuhan University, Wuhan, China;2. Department of Cardiothoracic Surgery, People''s Hospital of Guangxi Zhuang Autonomous Region, Nanning, China;3. Department of Anesthesia, People''s Hospital of Guangxi Zhuang Autonomous Region, Nanning, China |