The Authors report their own experience in treating 16 patients suffering from aneurysms of the supra-aortic trunks, 6 of the innominate artery, 4 of the common carotid artery, 3 of the intrathoracic subclavian artery and 3 of the extrathoracic subclavian artery. Eleven cases were of atherosclerotic nature, 3 from Takayasu's, 1 dysplasic and 1 mycotic. To aneurysms of the innominate artery with diameter less than 2 cm and one of the subclavian artery, in a patient with on carcinoma of the lung, was treated non surgically; all other patients were operated. The mortality was 0, and morbidity rate very low. With a mean follow-up of three years, only a patient, with Takayasu's disease, developed a recurrence and one, with mycotic aneurysm, died from persistence of the sepsis
