Mechanical heart valve prosthesis

A mechanical valve replacement refers to a surgical procedure in which a diseased or malfunctioning native heart valve (commonly the aortic or mitral valve) is replaced with a mechanical heart valve prosthesis. These prostheses are constructed from durable materials such as metal and plastic, engineered to replicate the hemodynamic function of the original valve and offer superior longevity (often exceeding 20 years) compared to biologic (tissue) valves. The intervention is primarily used to treat severe valvular heart diseases such as aortic stenosis or aortic regurgitation when repair is not feasible[1][2][3][4]. Although mechanical valves reduce the need for repeat interventions due to their durability, they require lifelong anticoagulation therapy to mitigate the risk of blood clot formation, leading to a persistent risk of bleeding and thromboembolic complications. Mechanical heart valve implants are not molecular or cellular targets, but rather medical devices designed to restore cardiac valve function in patients with advanced valvular disease[1][4]. --- Clarification: "Mechanical valve replacement" is not a molecule, receptor, enzyme, or biological target, but describes a surgical intervention involving the implantation of a mechanical device. Accordingly, it does not meet criteria for a therapeutic "target" and thus is_incorrect: true.

Other names

Mechanical artificial heart valveMechanical prosthetic valveMechanical aortic valveMechanical mitral valve