Hypertrophic cardiomyopathy in childhood: disease natural history, impact of obstruction, and its influence on survival.

BACKGROUND We investigated the natural history, outcomes of myectomy, and impact on survival of obstructive hypertrophic cardiomyopathy (HCM) in childhood. METHODS All 120 children diagnosed with HCM between 1971 and 2006 were studied. Available echocardiograms (n=685) were incorporated in regression analyses adjusted for repeated measures. Multiphase… CONTINUE READING