Thirty Years Survival without Anticoagulation after Aortic Valve Replacement with a Björk-Shiley Prosthesis
Deniz Suha Kücükaksu MD, Ahmet Akgül MD, Alper Uzun MD, Onurcan Tarcan MD, Kerim Çagli MD, Erol Sener MD, Oguz Tasdemir MD, Kemal Bayazit MD

Anticoagulation is mandatory in all mechanical valve replacements and, when well-managed, permits both embolism and valve thrombosis to be kept at low levels. Here, we report the case of a male patient who has survived 30 years without anticoagulation following aortic valve replacement with the Björk-Shiley prosthesis.