methods patients with neurosurgery operation were randomly distributed into 2 groups:pre-anesthesia catheterization group and post-anesthesia catheterization group.
方法手术患者按麻醉前导尿和麻醉后导尿分为两组。
conclusion:to colligate tramadol and nicardipine in decannulation period of general anesthesia in neurosurgery operation can decrease side response of the patients in the decannulation period.