Annuloaortic ectasia

Annuloaortic ectasia refers to a proximal dilatation of the aortic root at the level of the aortic annulus, which is the same level as the sinus of Valsalva.


Annuloaortic ectasia occurs with connective tissue diseases such as Marfan disease and Ehlers-Danlos syndrome. It is a cystic medial necrosis, which puts the patients at increased risk for aortic dissection, which in turn may lead to rupture 1-3.

Article information

rID: 35726
System: Vascular
Synonyms or Alternate Spellings:
  • Annulo-aortic ectasia
  • Annular aortic ectasia

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