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Sinus of Valsalva aneurysm and bicuspid aortic valve: detection and mechanism by cardiac magnetic resonance imaging

Author(s): Jen Li Looi | Andrew J. Kerr

Journal: Clinics and Practice
ISSN 2039-7275

Volume: 1;
Issue: 3;
Start page: e72;
Date: 2011;
Original page

Keywords: sinus of Valsalva aneurysm | bicuspid aortic valve | cardiac MRI.

Cardiac magnetic resonance imaging (CMR) demonstrated a sinus of Valsalva aneurysm (SVA) with severe dilatation of the right coronary sinus in association with a congenital bicuspid aortic valve (BAV) and subaortic membrane. The SVA had not been apparent on echocardiography as the dilatation was outside standard echo image planes. On both CMR and echo, blood flow was eccentrically directed into the right coronary sinus by the domed posterior leaflet of the BAV. The impact of the aortic jet on the wall of the right coronary sinus is probably important in the aetiology of the sinus dilatation. CMR proved valuable in demonstrating the SVA and understanding its aetiology.
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