Clinical Outcome of Aortic Valve Replacement With 16-mm ATS-Advanced Performance Valve for Small Aortic Annulus

We believe aortic valve replacement with small-diameter mechanical valves (the ATS-AP valves) in patients with a small annulus provides satisfactory remote prognosis. The use of mechanical valves in elderly patients is considered acceptable with strict clinical monitoring to prevent thromboembolism and anticoagulation therapy-induced complications.