OBJECTIVE: With the development of the technique of cardiovascular surgery, the problem of cerebral protection is becoming more and more important. At present the method of cerebral protection common used such as deep hypothermic circulatory arrest(DHCA), DHCA selective cerebral perfusion (DHCA-SCP), DHCA retrograde cerebral perfusion (DHCA-RCP) has its own disadvantage respectively. The purpose of the present study was to provide an optimal method of cerebral protection for the clinical application. METHOD...