bioprosthetic valve


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Related to bioprosthetic valve: porcine valve

bioprosthetic valve

An implanted device of non-synthetic origin designed to replace a defective heart valve. Porcine bioprosthetic valves are less thrombogenic than mechanical valves, but are more prone to structural degeneration, limiting their durability (35% fail within 15 years).

bioprosthetic valve

Surgery An implanted device of nonsynthetic origin designed to replace a defective heart valve; porcine BV, are less thrombogenic than mechanical valves, but are more prone to structural degeneration, limiting their durability. See Heart-valve prosthesis.
References in periodicals archive ?
Management of aortic insufficiency with continuous flow left ventricular assist devices: bioprosthetic valve replacement.
At autopsy, both bioprosthetic valves were well seated with no evidence of thrombus formation.
The 40 bioprosthetic valves were explanted from 19 (47.
Host-tissue overgrowth is a significant problem with bioprosthetic valves, particularly pulmonary site implants, and needs further evaluation.
1) For patients with bioprosthetic valves, the risk of embolic events without anticoagulation is 2 to 4% per year.
Second- and third-generation bioprosthetic valves and hemodynamically efficient bileaflet valves have revolutionized the surgical therapy of diseases of the aortic valve.
Patients with mechanical heart valves generally remain on warfarin sometimes in combination with aspirin while most patients with bioprosthetic valves are eventually switched to aspirin.
The use of PRADAXA has not been evaluated in patients with bioprosthetic valves and use cannot be recommended for such patients.
Valve calcification is one of the largest contributors to the degeneration of bioprosthetic valves.
The Vitality(TM) Exchangeable Heart Valve System combines the safety and longevity associated with the most commonly used surgical bioprosthetic valves with the ability to provide minimally invasive access for transapical valve exchange.
However, these bioprosthetic valves themselves may require a replacement within the patient's lifetime.
10 per diluted share, relating to bioprosthetic valves.