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A CMR study assessing aortic valve hemodynamics post-transcatheter aortic valve implantation compared to surgical aortic valve replacement

✍ Scribed by Timothy Fairbairn; Christopher D Steadman; Adam N Mather; Manish Motwani; Daniel Blackman; Sven Plein; Gerry P McCann; John P Greenwood

Publisher
BioMed Central
Year
2012
Tongue
English
Weight
132 KB
Volume
14
Category
Article
ISSN
1097-6647

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✦ Synopsis

Transcatheter aortic valve implantation (TAVI) removes the valvular impedance associated with aortic stenosis but can be complicated by significant aortic regurgitation. Using cardiovascular magnetic resonance we assessed the change in trans-aortic pressure gradient and regurgitant fraction 6 months post-TAVI and compared this to a surgical aortic valve replacement (SAVR) cohort. TAVI was superior at reducing aortic pressure gradient and equal to SAVR at reducing aortic regurgitation at 6 months.

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## Background Before trans-catheter aortic valve implantation (TAVI), assessment of cardiac function and accurate measurement of the aortic root are key to determine the correct size and type of the prosthesis. The aim of this study was to compare cardiovascular magnetic resonance (CMR) and trans-t