Abstract
Pulmonary arterial hypertension (PAH) causes maladaptive changes in the right ventricle (RV), affecting RV size and function, ultimately leading to death. Survival in children is worse than adults with PAH. Using cardiac MRI in pediatric patients with PAH, we examined how RV size and function (1) compares to normal data, (2) changes over time, and (3) correlates with clinical markers.
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