Middle aortic syndrome is increasingly recognized as a cause of hypert
ension in adolescents and young adults. Alagille syndrome is a genetic
disorder characterized by hepatic, eye, and bony abnormalities, Cardi
ovascular lesions occur in most of the patients, but narrowing of the
abdominal aorta has not been previously recorded, We present an unusua
l association between middle aortic syndrome and Alagille syndrome, wi
th a similar vascular lesion seen In two generations.