Annuloaortic ectasia

Annuloaortic ectasia

Annuloaortic ectasia is a dilatation of the proximal ascending aorta and aortic annulus. It may cause aortic regurgitation, thoracic aortic dissection, aneurysm and rupture. It is often associated with Marfan syndrome.


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  • ectasia, ectasis — Dilation of a tubular structure. [G. ektasis, a stretching] annuloaortic e. supravalvular dilation of the aorta involving both its wall and the valve ring, which, however, remains of smaller diameter than the more distal …   Medical dictionary

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