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  • Title: Does mild valvular aortic stenosis progress during childhood?
    Author: Ardura J, Gonzalez C, Andres J.
    Journal: J Heart Valve Dis; 2006 Jan; 15(1):1-4. PubMed ID: 16480005.
    Abstract:
    BACKGROUND AND AIM OF THE STUDY: An increased gradient in congenital valvular aortic stenosis (AS) during follow up remains the subject of controversy, and may determine a need for treatment in pediatric patients. It is hypothesized that a valvular gradient < 40 mmHg indicates a stable tendency at follow up for congenital valvular AS. METHODS: Twenty-five cases with valvular AS, isolated but not treated, were followed for eight years (range: 0.14-18.8 years). Clinical and complementary tests (electrocardiography, X-radiography) were undertaken. The gradient anatomy and function were measured using M-mode, two-dimensional, and Doppler echocardiography. RESULTS: No significant changes were noted in symptoms or at physical examination. Signs of cardiac enlargement were decreased (p < 0.001), and the functional status and gradient remained stable during the follow up period (mean difference 2.38 mmHg; p = 0.74). The relationship between gradient and age showed a slowly increasing trend (r = 0.20). CONCLUSION: The trend in gradient confirmed the stable nature of mild AS. Patients in whom gradients were < 40 mmHg at the time of diagnosis remained stable and required no treatment. Subsequent follow up control and clinical management of these patients may be performed at intervals of two years, or more.
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