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  • Title: [Dilation of the aortic root in ventricular septal defects. Risk factor of aortic insufficiency].
    Author: Makanda A, Stijns-Cailteux M, Malengreau M, Vliers A.
    Journal: Arch Mal Coeur Vaiss; 1989 May; 82(5):791-4. PubMed ID: 2500104.
    Abstract:
    The diameter of the aortic root was measured in 151 patients with small ventricular septal defect (Qp/Qs less than 2 and pulmonary vascular resistance less than 1.5 U.m-2) and correlated with the presence of absence of aortic regurgitation. In 26 cases the aortic juxtavalvular region (bulbus) was dilated above 2 SD compared to a control group. All patients with aortic regurgitation of with cusp prolapse belonged to this group of 26 cases. Aortic root dilatation seems to have a specificity of 89 p. 100, a sensitivity of 75 p. 100 and a negative predictive value of 98 p. 100 in relation to the occurrence of aortic insufficiency. The finding of an aortic root dilatation associated with a ventricular septal defect should incite to a closer supervision of non-operated patients should be used as an argument when discussing the surgical closure of the ventricular septal defect.
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