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每搏量变异度在胃肠手术中预测液体反应的价值研究

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摘要 目的:探讨每搏量变异度(SVV)在右美托咪定持续输注辅助全麻下,胃肠手术中预测液体反应的价值。方法:选择行胃肠手术30例,分别记录麻醉后液体输注前(T1)和液体输注结束后3min(T2)的心率(HR)、平均动脉压(MAP)、SVV、每搏量指数(SVI)及心指数(CI)等指标变化,绘制SVV对SVI反应受试者工作特征曲线(ROC曲线),评估SVV预测液体反应的准确度。结果:T2时,MAP、CI和SVI值显著大于T1时(P<0.05);SVV值显著小于T1时(P<0.05);HR值差异不显著(P>0.05)。SVV判断扩容有效ROC曲线下面积为0.863,SVV的诊断阈值为10.5%,敏感度为96.7%,特异性63.3%。Pearson相关分析结果显示,ΔSVI和ΔSVV呈非常显著正相关(P<0.01)。结论:在右美托咪定持续输注辅助全麻下,SVV可准确预测胃肠手术中患者的液体反应。
出处 《人民军医》 2016年第1期28-30,共3页 People's Military Surgeon
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