心肌梗死、存活心肌和心肌病的心血管磁共振成像。
Cardiovascular magnetic resonance imaging of myocardial infarction, viability, and cardiomyopathies.
机构信息
University of Virginia Health System, Departments of Medicine and Radiology, Charlottesville, VA 22908, USA.
出版信息
Curr Probl Cardiol. 2010 Apr;35(4):176-220. doi: 10.1016/j.cpcardiol.2009.12.002.
Abstract
Cardiovascular magnetic resonance provides the opportunity for a truly comprehensive evaluation of patients with a history of myocardial infarction, with regard to characterizing the extent of disease, effect on left ventricular function, and degree of viable myocardium. The use of contrast-enhanced cardiac magnetic resonance (CMR) imaging for first-pass perfusion and late gadolinium enhancement is a powerful technique for delineating areas of myocardial ischemia and infarction. Using a combination of T2-weighted and contrast-enhanced CMR images, information about the acuity of an infarct can be obtained. There is extensive published data using contrast-enhanced CMR to predict myocardial functional recovery with revascularization in patients with ischemic cardiomyopathies. In addition, CMR imaging in patients with cardiomyopathies can distinguish between ischemic and nonischemic etiologies, with the ability to further characterize the underlying pathology of nonischemic cardiomyopathies.
摘要
心血管磁共振为有心肌梗死病史的患者提供了一个真正全面评估的机会，包括评估疾病的范围、对左心室功能的影响以及存活心肌的程度。使用对比增强心脏磁共振（CMR）成像进行首过灌注和晚期钆增强是描绘心肌缺血和梗死区域的强大技术。使用 T2 加权和对比增强 CMR 图像的组合，可以获得关于梗死急性程度的信息。有大量的文献数据使用对比增强 CMR 来预测缺血性心肌病患者血运重建后的心肌功能恢复。此外，CMR 成像在心肌病患者中可以区分缺血性和非缺血性病因，并能够进一步描述非缺血性心肌病的潜在病理。
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