Abstract
From 1982 until October 1985 we operated 9 cases of aortic aneurysm involving the transverse aortic arch (5 male and 4 female, from 26 to 69 years). Two patients had an acute dissecting aortic aneurysm, the others had an aneurysm of the aortic arch involving also the ascending aorta in 5 cases and the descending aorta in 1. Three patients underwent aortic valve replacement and implantation of coronary orifices. Two patients had previously had AVR. The operation was carried out under cardiopulmonary by-pass. After obtaining 25 degrees C hypothermia the bypass was discontinued and the cerebral vessels were cannulated from inside of the opened aneurysm and perfused at a flow rate of 250 ml/min. The myocardium was protected by cold cardioplegia and topical cooling. During total circulatory arrest the distal aortic arch anastomoses were completed in 28-56 minutes. Then the by-pass was restarted and the rest of the operation was carried out as usual. One patient with an acute dissecting aortic aneurysm died on the 2 post-operative day due to brain damage and rupture of abdominal aorta. The other patients recovered well. There were no permanent neurological or myocardial complications. Three patients had a transient renal failure, one needing dialysis. The 8 survivors have done well 4-46 months after the operation.
Published Version
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