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DHCT与DSA诊断冠状动脉病变的相关性研究

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摘要 目的 评价双层螺旋CT (DHCT)与血管数字减影造影 (DSA)诊断冠状动脉 (CA)病变的价值。方法 对 88例疑为冠心病(CAD)病人行CT平扫检查冠状动脉钙化 (CAC) ,即用碘造影剂 90mL~ 14 0mL(1.5mL/kg~ 3mL/kg)行DHCT ,并作冠状动脉DSA(CA -DSA)检查。结果 DHCT能在短时间 (2 0s)内完成心脏的容积数据采集 ,MM 3DR能准确显示 (CA )三级分支的形态、径向等形态学改变。与DSA相比 ,CAC诊断CHD的敏感性、特异性和准确性各为 84%、77%和 84% ;CHD组的CAC积分 (2 3 8± 42 )明显高于非CHD组 (2 8± 17,P <0 .0 0 1)。结论 DHCTA能准确快速采集心脏及CA的容积数据 ;结合节段性MM 3DR的应用 ,对诊断和预测CAD有重要价值。
出处 《中西医结合心脑血管病杂志》 2005年第1期9-11,共3页 Chinese Journal of Integrative Medicine on Cardio-Cerebrovascular Disease
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