Abstract
Twenty-one patients underwent operation for Stanford type A aortic dissection at St. Marianna University Hospital from 1980 to 1991. Fourteen patients had an acute aortic type A dissection and seven patients had chronic type A dissection. Operative procedures included replacement of the ascending aorta using Dacron graft in 14 patients, Bentall procedure in 4, ring graft insertion in 2, and primary anastomosis in 1. Aortic valve resuspension was performed to aortic valve regurgitation, except for annulo-aortic ectasia. Operative mortality (within 30 days) was 19% (4 cases). All 4 deaths occurred in the early period of this study, and after July 1989 when open distal anastomosis method was started, there has been occurred any deaths. The cumulative survival rate at 100 month was 78.7% in acute group, and 68.9% in chronic group, with no significant difference. The open distal anastomosis was used in 7 cases without any serious complications. However, careful follow up of further extension of the dissecting process, is necessary.
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