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胸痛疑诊冠心病患者E/Ea与冠脉狭窄严重程度的相关性

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摘要 目的 研究胸痛疑诊冠心病患者二尖瓣口舒张期的血流峰值速度(E)与二尖瓣环舒张早期峰值速度(Ea)的比值(E/Ea)与冠脉狭窄严重程度的相关性.方法 收集胸痛疑诊冠心病患者66例,均接受经皮腔内冠状动脉造影术,根据冠状动脉狭窄程度分为三组:A组为冠脉狭窄<50%或阴性者(对照组)20例,B组为冠脉狭窄50%~75% 18例,C组为冠脉狭窄≥75% 28例,分析三组间E/Ea与冠脉狭窄严重程度的相关性.结果 E/Ea值C组患者显著高于A组、B组患者(11.36±2.05 vs8.40±1.82、8.66±2.70,均P值〈0.01).结论 冠脉严重狭窄者的E/Ea值升高,E/Ea值可反映患者的心脏舒张功能受损.
出处 《中国血液流变学杂志》 CAS 2011年第1期60-61,共2页 Chinese Journal of Hemorheology
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