There was closely negative correlation between ICP and CPP during the formation of intracerebral hematoma (rICP-CPP = -0.6190, P?0.01).

• 短时过度通气1分钟后进行开放式气管内吸引术引起MAP明显升高（P?0.；01），CPP基本不变，SjvO2略有下降，CEO2、AVDO2略有升高，但均无统计学意义。