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  • Title: Doppler echocardiographic and morphologic evaluation of patients following operative repair of aortic coarctation.
    Author: Wendel H, Teien D, Human DG, Nanton MA.
    Journal: Acta Paediatr; 1992 Mar; 81(3):247-52. PubMed ID: 1511200.
    Abstract:
    Sixty-six patients operated on previously for coarctation of the aorta were included in the study. There were 50 children and 16 adults. Invasive and non-invasive gradients were recorded. Anatomical obstruction was evaluated by angiography in 54 patients and the numbers and size of collaterals were quantified. The closest correlation was found between Doppler-estimated gradients and invasive peak-instantaneous gradients (r = 0.87). The relation between anatomical obstruction and invasive peak-to-peak gradients, Doppler gradients and diastolic flow ere discouraging (r = 0.64, 0.54 and 0.35). Liberal indications for angiography or magnetic resonance tomography are recommended.
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