Most pediatric DCM cases are idiopathic, limiting disease-specific therapies, and outcomes depend heavily on presentation characteristics.
In children, DCM is a diverse disorder with outcomes that depend largely on cause, age, and heart failure status at presentation. Race, sex, and age affect the incidence of disease. Most children do not have a known cause of DCM, which limits the potential for disease-specific therapies.
Towbin et al. (Wed,) studied this question.
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