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The effect of carbon dioxide pneumoperitoneum on stroke volume variation and plethysmographic variability index
Author(s): 
Pages: 640-642
Year: Issue:  7
Journal: The Journal of Clinical Anesthesiology

Keyword:  PneumoperitoneumStroke volume variationPlethysmographic variability index;
Abstract: 目的 观察气腹对腹腔镜胆囊切除术(LC)患者每搏变异度(SVV)和脉搏灌注变异指数(PVI)的影响及两者相关性干扰.方法 择期全麻下行腹腔镜胆囊切除术患者40例,常规麻醉诱导后气管插管,控制呼吸,潮气量10 ml/kg,呼吸频率8~12次/分.血流动力学平稳后5 min(气腹前)及CO2人工气腹压力12 cm H2O无任何刺激5 min后(气腹后)采用FloTrac/Vigileo系统测量SW,同步采用Masimo Radical 7脉搏血氧仪测量PVI.结果 与气腹前比较,气腹后患者SVV、PVI明显升高(P<0.05).相关性分析显示:气腹前SVV与PVI、气腹后SVV与PVI均呈中等正相关(分别为r=0.556,P<0.01和r=0.415,P<0.01).结论 气腹后SVV、PVI均明显升高,且与气腹前有明显的线性回归关系,但气腹不影响PVI与SVV的良好相关性.
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