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Conventional and keyhole surgery

If the valve cannot be repaired, it must be replaced. Several alternatives are available today. Mechanical heart valves should last a lifetime but require lifelong anticoagulation with warfarin. Alternatively, biological heart valves can be used. These come from pigs or are made from bovine pericardium. These valves do not require any medications to be taken but have only limited durability. In isolated cases there is a third alternative: use of human heart valves. All of these operations can be performed minimally invasively through a small incision.

Illustrations of mechanical artificial heart valves
Illustrations of biological prosthetic heart valves