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A case of Noonan 's syndrome with aneurysmal dilatation of the sinuses of Valsalva is described. Enlargement of the left heart border on the postero-anterior chest radiograph was initially interpreted as dilatation of main pulmonary artery but aortography confirmed the presence of large aneurysms of two of the sinuses of Valsalva. Connective tissue abnormalities, known to occur in Noonan's syndrome, could be responsible for aortic abnormalities in this syndrome. [ABSTRACT FROM PUBLISHER]

A young man with Takayasu's disease had severe right and left coronary ostial stenoses. Severe angina was relieved by operation at which the right coronary ostium was enlarged by a pericardial patch extending across the stenosis from aorta to coronary artery; the aortic end of a vein graft to the left coronary artery was attached to this patch. This technique may reduce the risk of recurrence of ostial stenosis or of stenosis at graft origins. [ABSTRACT FROM PUBLISHER]