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低温单侧脊麻对老年患者血流动力学的影响

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摘要 目的:通过平均动脉压和经胸壁彩色多普勒超声评估低温单侧脊麻时老年患者血流动力学的影响。方法:选择年龄66--76岁,体重45--65kg,ASAⅠ-Ⅱ级,拟行单侧膝关节镜手术的老年患者40例,根据脊麻药液的温度方法分为Ⅰ(4度)和Ⅱ组(37度)每组20例。注药完毕后侧卧12min,体住改为仰卧住。在脊麻前到脊麻后20min,间隔时间为2min,连续记录平均动脉压,同时在脊麻前(T0)和脊麻后7(T2)、18(T3)min经胸壁彩色多普勒超声测量每搏量、心输出量、射血分数。结果:与Ⅰ组比较,Ⅱ组的平均动脉压在脊麻后16、17min时明显低于l组(P〈0.05),脊麻后18min心输出量、射血分数也低于Ⅰ组.但不具有统计学意义。同时在Ⅰ组内脊麻后18min的每搏量、G输出量、射血分数与脊麻前比较明显降低.(p〉0.05)结论:与体温组相比,低温单侧脊麻方法明显减缓脊髓麻醉引起的血流动力学波动,稳定于正常范围。
出处 《中国医学装备》 2014年第B12期216-217,共2页 China Medical Equipment
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