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目的：研究咪唑安定，芬太尼，依托咪酯，阿曲库铵静脉复合诱导对冠状动脉搭桥术患者血液动力学的影响。方法：28例行冠状动脉搭桥术患者用咪唑安定0．2mg／kg，芬太尼10μg/kg，依托咪酯0．2 mg／kg，阿曲库铵0．15 mg／kg静脉诱导，用漂浮导管技术监测诱导前后血液动力学变化。结果：28例患者静脉诱导前后对比，心率，平均动脉压，中心静脉压，肺动脉压，心脏指数，心每搏指数，体循环阻力，肺循环阻力，均无显著性改变(P>0．05)。结论：咪唑安定，芬太尼，依托咪酯，阿曲库铵静脉复合诱导用于冠状动脉搭桥术患者，诱导过程平稳，血液动力学稳定。“,”Aim:To investigate the effects of combined intravenous induction on hemodynamics in patients during coronaryartery bypass grafting procedure(CABG). Methods:The 28 patients receiving CABG were induced with midazolam 0.2 mg/kg,fentanyl 10 μg/kg, etomidate 0.2 mg/kg and atracurium 0.15 mg/kg; the hemodynamics parameters (HR, MAP, CVP, PAP, CI,SI, SVR, PVR) were measured with Swan Ganz technique before and after induction. ResuIts:The hemodynamics parameters beforeand after induction remained unchange markedly ( P > 0. 05). Conclusior: Induction with midazolam, etomidate, fentanyl and a-tracurium can satisfactorily control the hemodynamics parameters of the patients during CABG.