Qi Liu1, Rebecca T Hahn2. 1. Division of Cardiology, Columbia University Medical Center/New York Presbyterian Hospital, 177 Fort Washington Avenue, New York, NY, 10032, USA. 2. Division of Cardiology, Columbia University Medical Center/New York Presbyterian Hospital, 177 Fort Washington Avenue, New York, NY, 10032, USA. rth2@columbia.edu.
Abstract
PURPOSE OF REVIEW: Multimodality imaging is integral for diagnosis, procedural guidance, and follow-up of patients undergoing transcatheter aortic valve replacement (TAVR). In this review, we provide an overview of the role of each imaging modality and highlight technical considerations and pitfalls. We also address current controversies and new developments in the field. RECENT FINDINGS: Echocardiography remains the primary imaging modality for diagnosis of aortic stenosis and intraprocedural guidance for TAVR, but computed tomography (CT) imaging has supplanted echocardiography for annular sizing and access site evaluation. Magnetic resonance imaging (MRI) shows promise in targeted patient populations. Refined parameters and guidelines for valve sizing and paravalvular regurgitation have sought to standardize these complex assessments. Multimodality imaging remains critical to the success of TAVR, but its role has evolved over time. Understanding the applications, strengths, and limitations of each imaging modality is a crucial skill for the modern structural imager.
PURPOSE OF REVIEW: Multimodality imaging is integral for diagnosis, procedural guidance, and follow-up of patients undergoing transcatheter aortic valve replacement (TAVR). In this review, we provide an overview of the role of each imaging modality and highlight technical considerations and pitfalls. We also address current controversies and new developments in the field. RECENT FINDINGS: Echocardiography remains the primary imaging modality for diagnosis of aortic stenosis and intraprocedural guidance for TAVR, but computed tomography (CT) imaging has supplanted echocardiography for annular sizing and access site evaluation. Magnetic resonance imaging (MRI) shows promise in targeted patient populations. Refined parameters and guidelines for valve sizing and paravalvular regurgitation have sought to standardize these complex assessments. Multimodality imaging remains critical to the success of TAVR, but its role has evolved over time. Understanding the applications, strengths, and limitations of each imaging modality is a crucial skill for the modern structural imager.
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