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声学密度定量及声学定量技术评价心肌梗塞患者的左心功能 被引量:2

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摘要 目的 :应用声学密度定量及声学定量技术评价梗塞心肌组织特征及功能状况。方法 :应用声学密度定量技术 (AD) ,分别测定 30例急性心肌梗塞患者 (梗塞组 )及 30例正常人 (对照组 )相应部位心肌及心包的背向散射积分 (IBS) ,二者比值作为心肌 IBS校正值 (IBS% ) ,舒张末期与收缩末期 IBS差值与心包 IBS的比值 (即 CVIB)作为心肌 CVIB的校正值 (CVIB% ) ;应用声学定量技术 (AQ)测定各自的左室射血分数 (EF)、峰值排空率 (PER)、峰值快速充盈率 (PRFR)。结果 :梗塞心肌的 IBS和 IBS%高于对照组心肌的 IBS及 IBS%(P<0 .0 1 ) ,梗塞心肌的 CVIB和 CVIB%与对照组心肌比较显著降低 (P<0 .0 1 ) ;梗塞组左室 EDV和 ESV均较对照组增高 ,差异有显著性 (P<0 .0 1 ) ;梗塞组 EF、峰值排空率 (PER)、峰值快速充盈率 (PRFR)较对照组降低 (P<0 .0 1 )。结论
出处 《中国超声诊断杂志》 2003年第11期833-835,共3页 Chinese Journal of Ultrasound Diagnosis
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