[Risks in heart catheterization and angiocardiography in infancy and childhood].

The results of cardiac catheterization with or without angiocardiography in 689 infants and 1311 children and adolescents were reviewed. In the first week of life 14,81% of the patients died within or after 24 hours of the procedure, 7,41% in the first month of life, 2,78% in the first year. And on the whole the mortality was 0,95%. Four expired after the first month of life and none after the fourth. All those infants who expired were in poor general condition with severe cyanosis and congestive heart failure.