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Coronary computed tomography: Current role and future perspectives for cardiovascular risk stratification

机译:冠状动脉计算机断层扫描:心血管风险分层的当前作用和未来前景

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摘要

Coronary artery disease (CAD) is the major cause of morbidity and mortality worldwide. More than 50% of CAD deaths occur in previously asymptomatic individuals at intermediate cardiovascular risk, highlighting the need of more accurate individual risk assessment to decrease cardiovascular events. Cardiac computed tomography (CCT) has emerged as a valuable technique for risk stratification in asymptomatic subjects and in symptomatic patients without known CAD. The absence of coronary artery calcium (CAC) identifies asymptomatic subjects at very low cardiac risk and is reasonable in intermediate risk individuals, in whom CAC measurement reclassifies a substantial number of subjects to different risk categories. In symptomatic patients with suspected CAD, detection of non-obstructive or obstructive CAD by CCT angiography is associated with increased all-cause mortality, and provides incremental risk stratification to CAC. Further studies are needed to assess the impact of CCT on clinical outcomes and its cost-effectiveness in different clinical settings. Published on behalf of the European Society of Cardiology. All rights reserved.
机译:冠状动脉疾病(CAD)是全世界发病率和死亡率的主要原因。超过50%的CAD死亡发生在心血管疾病处于中等风险的先前无症状的个体中,这突出表明需要进行更准确的个体风险评估以减少心血管事件。心脏计算机断层扫描(CCT)已成为无症状受试者和没有已知CAD的有症状患者风险分层的一种有价值的技术。冠状动脉钙缺乏症(CAC)的存在可将无心脏病的受试者确定为极低的心脏病风险,这在中危人群中是合理的,在这些人群中,CAC测量将大量受试者重新分类为不同的风险类别。在有可疑CAD的症状患者中,通过CCT血管造影检测非阻塞性或阻塞性CAD与全因死亡率增加相关,并为CAC提供了增加的危险分层。需要进一步的研究来评估CCT在不同临床环境中对临床结果的影响及其成本效益。代表欧洲心脏病学会出版。版权所有。

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