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第二代双源CT双能量心肌灌注成像与SPECT心肌灌注的对照研究

Chinese Journal of CT and MRI(2017)

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Abstract
目的 对比SPECT,探讨双源CT(DSCT)双能量心肌灌注成像的临床应用价值.方法 搜集18例临床怀疑冠心病或已知冠心病史的患者行双源CT双能量心肌灌注成像和静息/负荷心肌灌注锝-99mSPECT显像检查,并对其影像表现进行分析.结果 DSCT双能量心肌灌注成像检查18例患者,发现阳性14例,阴性4例.对比SPECT检查,14例DSCT阳性病例中,SPECT均发现了相同心肌部位的灌注缺损.而4例阴性病例中,SPECT检查有1例有心肌缺血.二者检出心肌灌注缺损的差异性无统计学意义(P>0.05).结论 DSCT双能量心肌灌注成像发现心肌灌注缺损的能力与SPECT大致相符,对冠心病的诊断有较大价值.
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Key words
Myocardial Perfusion,The Second Generation dual-source CT,Tomography,Emission-computed Single-photon
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