全麻诱导无通气期时限对颅内压的影响

目的 观察无通气时间对颅内压（ＩＣＰ）的影响，以探讨颅脑肿瘤患者适宜的无通气时限。方法 １６例颅脑肿瘤手术患者经腰段蛛网膜下腔穿刺装置管后接压力换能器测蛛网膜下腔脑脊液压力（ＳＣＦＰ），全麻插管后维持足够的麻醉深度，控制呼吸并通过使病人ＩＣＰ、ＥＴＣＯ２接近插管前水平，此时在不接麻醉机停止通气的状态下分别记录无通气期３０、６０、９０、１２０秒时的ＩＣＰ值。结果 无通气期３０秒时ＩＣＰ变化不明显（Ｐ

The effects of infracranial pressure in no-breathing period by general marcosis induction

Objective In order to explore the proper no breathing period for craniocerebral tumor patients that the effects of intracranial pressure (ICP) in no breathing period were observed.Methods 16 cerebrospinal pressure. All the patients were in tubated and adjusted anesthetic deep to the level of pre intubation. The ICP was measured after 30,60,90,120 sec in no breathing period respectively.Results The ICP was not significant difference during 30sec of no breathing period( P >0.05), howere, it was increased significantly after 60sec ( P <0.01).Conclusion The most suitable no breathing period was 30sec. The period shoule be as shorter as possible to reduce intracranial hyperfension of patients. Overventilafion was an effective method to decrease Icp.