研究单位：[1]Huazhong University of Science and Technology[2]Tongji Hospital,Tongji Medical College,Huazhong University of Science and Technology Wuhan,Hubei,China,430040
研究目的：
The investigators investigated in the present study whether selective head cooling and dexmedetomidine has an effect on cerebral oxygenation during liver transplantation and has cerebral protective effect in patients undergoing liver transplantation.
