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2. Aortic valve replacement - Wikipedia

   en.wikipedia.org/wiki/Aortic_valve_replacement

   Aortic valve replacement is a cardiac surgery procedure whereby a failing aortic valve is replaced with an artificial heart valve. The aortic valve may need to be replaced because of aortic regurgitation (back flow), or if the valve is narrowed by stenosis .

3. Hancock Aortic Tissue Valve - Wikipedia

   en.wikipedia.org/wiki/Hancock_Aortic_Tissue_Valve

   The Hancock Aortic Tissue Valve is commonly used in patients requiring aortic valve replacement due to conditions such as aortic stenosis or aortic regurgitation. [7] The choice between a mechanical or bioprosthetic valve depends on various factors, including the patient's age, lifestyle, and medical history. [8]

4. Valve replacement - Wikipedia

   en.wikipedia.org/wiki/Valve_replacement

   Valve replacement surgery is the replacement of one or more of the heart valves with either an artificial heart valve or a bioprosthesis (homograft from human tissue or xenograft e.g. from pig). It is an alternative to valve repair .

5. Artificial heart valve - Wikipedia

   en.wikipedia.org/wiki/Artificial_heart_valve

   An artificial heart valve is a one-way valve implanted into a person's heart to replace a heart valve that is not functioning properly (valvular heart disease).Artificial heart valves can be separated into three broad classes: mechanical heart valves, bioprosthetic tissue valves and engineered tissue valves.

6. Pericardial heart valves - Wikipedia

   en.wikipedia.org/wiki/Pericardial_heart_valves

   1967 Ionescu and associates in Leeds, England, used for the first time porcine aortic valves mounted on an original valve support for mitral valve replacement in humans. [76] 1969 Hancock Laboratory in Irvine, California introduces the first commercially available porcine aortic valve for use in patients. [77]

7. Transcatheter aortic valve replacement - Wikipedia

   en.wikipedia.org/wiki/Transcatheter_aortic_valve...

   Bioprosthetic valve disfunction (BVD) has historically been divided into SVD (structural valve deterioration, including irreversible intrinsic changes of the prosthetic valve structure), NSVD (non-structural valve deterioration, including irreversible intra- or para-prosthetic regurgitation, prosthesis malposition, and patient-prosthesis ...