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Elsevier, The Journal of Thoracic and Cardiovascular Surgery, 2(149), p. 462-470, 2015

DOI: 10.1016/j.jtcvs.2014.10.064

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Early effects of transcatheter aortic valve implantation and aortic valve replacement on myocardial function and aortic valve hemodynamics: insights from cardiovascular magnetic resonance imaging

Journal article published in 2015 by Gareth Crouch, Jayme Bennetts, Ajay Sinhal, Phillip J. Tully, Darryl P. Leong, Craig Bradbrook, Amy L. Penhall, Carmine G. De Pasquale, Adhiraj Chakrabarty, Robert A. Baker ORCID, Joseph B. Selvanayagam
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

OBJECTIVES: There remains a paucity of mechanistic data on the effect of transcatheter aortic valve implantation (TAVI) on early left and right ventricular function and quantitative aortic valve regurgitation. We sought to assess and compare the early effects on myocardial function and aortic valve hemodynamics of TAVI and aortic valve replacement (AVR) using serial cardiovascular magnetic resonance (CMR) imaging and echocardiography. METHODS: A prospective comparison study of 47 patients with severe aortic stenosis undergoing either TAVI (n = 26) or high-risk AVR (n = 21). CMR (for left ventricle/right ventricle function, left ventricular mass, left atrial volume, and aortic regurgitation) was carried out before the procedure and early postprocedure (