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扩张型心肌病抗心力衰竭治疗早期疗效的超声心动图评估 被引量:5

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摘要 目的对比观察二维、彩色多普勒及脉冲组织多普勒超声心动图对扩张型心肌病(DCM)抗心力衰竭治疗后早期疗效的评估。方法正常对照组和DCM患者治疗前及治疗后2周,超声测量左心室射血分数(LVEF)、二尖瓣口血流多普勒E、A峰及组织多普勒-二尖瓣环收缩期和舒张早、晚期运动速度峰值Sm、Em、Am,并计算E/A、Em/Am。结果 DCM患者抗心力衰竭治疗2周后,临床疗效达显效或有效者,LVEF、E/A较治疗前无显著提高,脉冲多普勒组织成像(PW-TDI)指标Sm亦无改善;而Em、Em/Am虽仍低于对照组,但较治疗前显著升高。结论 DCM抗心力衰竭治疗后早期疗效主要得益于左心室舒张功能的改善;二尖瓣环PW-TDI反映左心室舒张功能改善是较血流多普勒更敏感的指标。
出处 《中华临床医师杂志(电子版)》 CAS 2011年第3期163-165,共3页 Chinese Journal of Clinicians(Electronic Edition)
基金 大学生创新性实验计划项目(YC09143)
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