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Sevoflurane Inhalation Induction in Cardiac Patients and Its Effects on Respiration and Circulation
Author(s): ZHAO Weixian, YE Xiaoping, LIANG Qibo, XIAO Guangjun
Pages: 131-
133
Year: 1999
Issue:
3
Journal: THE JOURNAL OF CLINICAL ANESTHESIOLOGY
Keyword: 七氟醚; 心脏手术; 呼吸; 循环;
Abstract: 目的:研究七氟醚或七氟醚-N2O吸入方法用于心脏瓣膜病人的麻醉诱导及对呼吸、循环功能的影响.方法:34例择期心脏瓣膜手术病人分为两组,组1(n=16)以七氟醚-O2,组2(n=18)先吸入N2O至ET-N2O50%,再以七氟醚N2O-O2诱导,采用旁气流监测及Swan-Ganz导管方法监测呼吸和循环功能.结果:组1诱导时间为3~4分钟,入睡时ET-Sevf为2.3%(约1.1MAC);组2为5~6分钟,诱导后ET-N2O为50%,ET-Sevf为1.6%,总MAC为1.3.诱导过程平稳,诱导后组1的VT、MV、RR、PETCO2及V1.0无显著变化,但组2的VT和MV明显下降,RR未见加速,两组的VT和MV有显著差异(P<0.01).两组的MAP、Cl、LVWI、LVSWI及RVWI在诱导后降低(P<0.05),组1的MPAP、SI及RVWI也明显降低(P<0.05).结论:心脏瓣膜手术病人采用七氟醚吸入,诱导过程平稳,对呼吸、循环轻微抑制.
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