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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.

Takayasu's arteritis is a chronic inflammatory disease of unknown etiology, which affects the aorta and its branches. The resulting lesions can be of steno-occlusive or aneurysmatic type; the latter form is relatively rare. The authors report 2 cases which came under their observation for treatment. The first was a young man of 22 years with aneurysm of the common right carotid artery and of the subclavian left intrathoracic artery. The carotid aneurysm was operated first; arterial reconstruction was ensured by means of a dacron bypass as the saphenous vein was not usable. Three months later, exeresis of the subclavian aneurysm was performed with a left thoracotomy in the IV space. The postoperative course was uneventful and no untoward event has been observed during follow-up (15 months). The second case was a young girl of 16 years with poststenotic aneurysmatic dilatation of the anonyma artery, tight stenosis of the left renal artery and occlusion of the right renal artery. The patient underwent median sternotomy and removal of the aneurysmatic wall together with the stenosis, and a dacron patch was applied. During preoperative angiography, the stenosis of the left renal artery had been treated with PTA; one month after the first operation, a right aorto-renal bypass was fashioned with the saphenous vein. Postoperative stay was free from complications on both occasions and complete normalization of the pressure values was obtained, which persists after 12 months.