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左室舒张功能不全对非瓣膜性PAF患者左心耳血栓形成的影响 被引量:5

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摘要 目的探讨非瓣膜性持续性心房颤动(PAF)患者左室舒张功能不全对左心耳血栓形成的影响。方法随机入选正常志愿者14例(正常组)及非瓣膜性PAF患者40例(PAF组),经食管超声心动图检查探查左心耳,正常组无血栓形成,PAF组有血栓形成者16例、无血栓形成者24例。应用二维超声于胸骨旁左室长轴切面测量各组收缩末期左心房前后径(LAD);于心尖四腔切面测量:①二尖瓣舒张早期血流峰值速度(E);②分别测量二尖瓣环后间隔和侧壁舒张早期峰值速度(Ea-sep和Ea-lat),计算E/Ea-sep和E/Ea-lat,并计算E与二尖瓣环舒张早期运动峰速度(Em)之比;③左室射血分数(LVEF)。结果左心耳血栓形成与PAF患者E/Em升高相关(OR=3.022,P<0.01),但与LAD(OR=1.153,P>0.05)、LVEF(OR=0.936,P>0.05)无关。结论左室舒张功能不全可增加非瓣膜性PAF患者左心耳血栓形成风险,可能是左心耳血栓形成的独立危险因素之一。
出处 《山东医药》 CAS 2013年第42期57-59,共3页 Shandong Medical Journal
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参考文献12

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