经胸多普勒超声心动图检测冠状动脉血流储备对高血压患者冠状动脉狭窄的预测价值

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目的:探讨经胸多普勒超声心动图(TTDE)检测冠状动脉血流储备(CFR)对高血压患者冠状动脉狭窄的预测价值。方法:选择132例因胸痛拟行冠状动脉造影(CAG)的患者,根据是否有高血压分为高血压组(n=95)及非高血压组(n=37)。在CAG前2天内行TTDE-三磷酸腺苷(ATP)负荷试验检测冠状动脉左前降支(LAD)的CFR,并比较高血压组及非高血压组的CFR,根据CAG结果,采用受试者工作特征(ROC)曲线分析全部患者及高血压组、非高血压组CFR诊断LAD狭窄≥70%的价值。结果:非高血压组与高血压组的
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