title: Imaging of the right heart--CT and CMR.
abstract: Right ventricular (RV) structure and function is of substantial importance in a broad variety of clinical conditions. Cardiac magnetic resonance (CMR) and computed tomography (CT) each provide three-dimensional RV imaging, high-resolution evaluation of RV structure/anatomy, and accurate functional assessment without geometric assumptions. This is of particular significance for the RV, where complex geometry compromises reliance on indices derived from two-dimensional (2D) imaging planes. CMR flow-based imaging can be applied to right-sided heart valves, enabling evaluation of hemodynamic and valvular dysfunction that may contribute to or result from RV dysfunction. Tissue characterization imaging by both CMR and CT provides valuable complementary assessment of the RV. Changes in myocardial tissue composition provide a mechanistic substrate for RV dysfunction and cardiac arrhythmias. This review provides an overview of RV imaging by both CMR and CT, with focus on assessment of RV structure/function, flow, and tissue characterization. Emerging evidence and established guidelines are discussed in the context of imaging contributions to diagnosis, prognostic risk stratification and disease management of clinical conditions that impact the right ventricle.
authors.affiliation: Duke University School of Medicine, Durham, North Carolina; Weill Cornell Medical College, New York, New York.
authors.forename: Jonathan
authors.initials: J
authors.lastname: Kochav
authors.forename: Lauren
authors.initials: L
authors.lastname: Simprini
authors.forename: Jonathan W
authors.initials: JW
authors.lastname: Weinsaft
mesh_terms: D006328:Cardiac Catheterization / Q000379:methods; D005260:Female; D006330:Heart Defects, Congenital / Q000175:diagnosis; D006352:Heart Ventricles / Q000000981:diagnostic imaging; D006801:Humans; D019028:Magnetic Resonance Imaging, Cine / Q000379:methods*; D008297:Male; D009200:Myocardial Contraction / Q000502:physiology; D011665:Pulmonary Valve Insufficiency / Q000175:diagnosis; D015203:Reproducibility of Results; D012720:Severity of Illness Index; D013318:Stroke Volume / Q000502:physiology; D014057:Tomography, X-Ray Computed / Q000379:methods*; D014463:Ultrasonography; D018497:Ventricular Dysfunction, Right / Q000000981:diagnostic imaging* / Q000503:physiopathology
keywords: CMR; CT; right ventricle