Children with congenital complete heart block face high mortality in the first year of life and high rates of dilated cardiomyopathy, requiring close echocardiographic monitoring.
Despite early pacing, CHB carries high mortality during the first 12 months of life. High incidences of DCM and associated heart defects indicate close echocardiographic monitoring of all children with CHB.
Eronen et al. (Sat,) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: