Valve-sparing aortic root repair in acute type A dissection: how many sinuses have to be repaired for curative surgery?

Forty-six patients with acute type A aortic dissection underwent valve-sparing root repair with replacement of all pathological sinuses of Valsalva. The actuarial survival rate at 8 years was 85.5 ± 5.6% with no valve-related events and no reoperation on the proximal aorta/aortic valve during the follow-up