ABERRANT RIGHT SUBCLAVIAN ARTERY IN MONGOLISM

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Abstract
A high incidence of aberrant right subclavian artery was found in cases of mongolism. This was especially so in those with proven congenital heart disease. Most authors agree that cardiac defects in mongoloids are much more commonly seen in younger than older subjects. The group of mongoloids seen at Willowbrook State School with an average age of 19.5 years showed a 19% incidence of aberrant right subclavian artery. The incidence in the mongoloid children at The New York Hospital with congenital heart disease was 37%. No aberrant right subclavian arteries were found in the non-mongoloid children with congenital heart disease at The New York Hospital. It may be concluded that an aberrant right subclavian artery is found in a high proportion of mongoloids, and, when seen, should suggest the need for further cardiac evaluation.