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Abstract During an eleven-year period (1959-1970) 27 patients were operated upon for acute dissecting aneurysm of the ascending aorta. There were 4 hospital and 4 late deaths. Nineteen patients are well and active one month to seven years after operation. In 21 of the patients the ascending aorta was replaced with a graft; 6 had the aortic valve excised and replaced with a prosthesis; in 5 patients the leaflets were resuspended but left in situ; and in 16 patients the valve was competent and was not disturbed. We recommend early operation for acute dissecting aneurysm of the ascending aorta.
Liotta et al. (1971) studied this question.