Department of Cardiology, Allegheny General Hospital- Allegheny Health Network, Pittsburgh, PA, USA.
Department of Cardiovascular Magnetic Resonance Imaging, Allegheny General Hospital- Allegheny Health Network, Pittsburgh, PA, USA.
Echocardiography. 2021 Jan;38(1):128-141. doi: 10.1111/echo.14941. Epub 2020 Dec 3.
Cardiac imaging is the cornerstone of defining the etiology, quantification, and management of mitral regurgitation (MR). This continues to be even more so the case with emerging transcatheter techniques to manage MR. Transthoracic echocardiography remains the first-line imaging modality to assess MR but has limitations. Cardiac MRI(CMR) provides the advantages of quantitative nonvisual estimation, 3D volumetric data, late gadolinium, T1, and extracellular volume measurements to comprehensively assess mitral valvular pathology, cardiac remodeling, and the prognostic impact of therapies. This review describes the superiority, technical aspects and growing evidence behind CMR, and lays the roadmap for the future of CMR in MR.
心脏影像学是明确二尖瓣反流（MR）病因、定量和管理的基石。对于新兴的经导管治疗 MR 的技术而言，更是如此。经胸超声心动图仍然是评估 MR 的首选影像学方式，但存在一定的局限性。心脏磁共振（CMR）具有定量非视觉评估、3D 容积数据、钆延迟增强、T1 和细胞外容积测量的优势，可全面评估二尖瓣瓣膜病理、心脏重构以及治疗的预后影响。本综述描述了 CMR 的优势、技术方面和不断增加的证据，并为 CMR 在 MR 中的未来发展指明了方向。
