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心肌声学造影在冠心病早期诊断中的临床价值

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摘要 目的探讨心肌声学造影(myocardial contrast echocardiography,MCE)早期诊断冠心病的临床应用价值。方法选择疑似或确诊冠心病患者100例,先后行冠状动脉造影(coronary angiography,CAG)和MCE检查,以CAG结果为标准,根据冠状动脉病变所涉及的心肌节段分为正常组、轻度狭窄组、中度狭窄组和重度狭窄组,对心肌充盈情况进行分析,计算MCE诊断冠心病的敏感度和特异度。结果 MCE诊断冠心病的敏感度为70.0%、特异度为85.0%、诊断符合率为76.0%;MCE与CAG在诊断冠心病方面差异无统计学意义(P>0.05)。病变组(756个节段)仅有部分(175个节段,30.1%)表现为充盈减低或缺失,其中轻度狭窄组(120个节段)均正常充盈,MCE阳性提示冠状动脉存在中重度狭窄。结论 MCE作为无创、廉价的检查方法 ,可用于冠心病的临床诊断。
出处 《河北医科大学学报》 CAS 2013年第2期211-214,共4页 Journal of Hebei Medical University
基金 河北省科技厅指令性计划项目(11276103D-48) 河北省卫生厅重点科学研究计划资助项目(20100043)
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