Fig. 4From: Early and mid-term outcome in terms of functional and hemodynamic performance of the st. Jude regent 19-mm aortic mechanical prosthesis versus 19-mm carpentier edwards aortic biological prosthesisa The actuarial survival and b cumulative free-reoperation actuarial survival in both groups. The cumulative free-major events actuarial survival in patients with LVEF < 35 % (c) and in patients undergoing combined surgery (d)Back to article page