Method:20 patients underwent intracranial surgeries were randomly divided into two groups:control group and ID+IH group treated with hemodilution and induced hypotension.

• 方法:择期颅脑手术20例,随机分为对照组(C)、血液稀释联合控制性降压组(ID+IH),观察两组芬太尼、异氟醚、硝酸甘油、潘龙、新斯的明、多沙普龙、异丙酚用量及术毕催醒时间。