动态容积320排冠状动脉CT血管成像诊断冠状动脉疾病的意义
Medical Journal of National Defending Forces in Northwest China(2014)
Abstract
目的:研究320排动态容积冠状动脉CT成像(CCTA)诊断冠状动脉疾病(CAD)的可行性.方法:5 961例临床诊断CAD的患者进行CCTA检查,其中186例接受常规X线冠状动脉造影术(CAG),对照分析其检查结果.1 490例接受CCTA检查的健康查体者作为对照.结果:成像质量均在Ⅰ~Ⅲ级,无呼吸伪影图像.在186例CAD患者中,CCTA诊断冠状动脉狭窄(狭窄度≥50%)的敏感性为96.72%,特异性98.95%,阳性预测值95.16%,阴性预测值99.30%,准确度98.56%.结论:320排动态容积CT冠状动脉成像图像清晰,对诊断CAD具有重要的临床价值.
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