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    ARTICLE

    Diastolic velocity half time is associated with aortic coarctation gradient at catheterization independent of echocardiographic and clinical blood pressure gradients

    Adam B. Christopher1, Abraham Apfel2, Tao Sun2, Jackie Kreutzer1, David S. Ezon3

    Congenital Heart Disease, Vol.13, No.5, pp. 713-720, 2018, DOI:10.1111/chd.12637

    Abstract Objective: The most accurate noninvasive parameter to predict whether a patient with aortic coarctation will meet interventional criteria at catheterization remains elusive. We aim to determine the best independent echocardiographic predictors of a coarctation peak‐to‐peak pressure gradient ≥20 mm Hg at catheterization, the ac‐ cepted threshold for intervention.
    Design: Retrospective query of our catheterization database from 1/2007 to 7/2016 for the diagnostic code of aortic coarctation was performed. Multiple echocardio‐ graphic measurements and blood pressure gradients prior to cardiac catheterization were collected. Univariate correlation of variables with the continuous catheteriza‐ tion peak were calculated using Spearman’s rho.… More >

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