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2. Aortic valve replacement - Wikipedia

   en.wikipedia.org/wiki/Aortic_valve_replacement

   Aortic valve replacement. ICD-9-CM. 35.21 - 35.22 V43.3. [ edit on Wikidata] 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. Artificial heart valve - Wikipedia

   en.wikipedia.org/wiki/Artificial_heart_valve

   An aortic homograft is an aortic valve from a human donor, retrieved either after their death or from a heart that is removed to be replaced during a heart transplant. [12] A pulmonary autograft, also known as the Ross procedure , is where the aortic valve is removed and replaced with the patient's own pulmonary valve (the valve between the ...

4. Aortic valve - Wikipedia

   en.wikipedia.org/wiki/Aortic_valve

   The aortic valve is a valve in the heart of humans and most other animals, located between the left ventricle and the aorta. It is one of the four valves of the heart and one of the two semilunar valves, the other being the pulmonary valve. The aortic valve normally has three cusps or leaflets, although in 1–2% of the population it is found ...

5. Björk–Shiley valve - Wikipedia

   en.wikipedia.org/wiki/Björk–Shiley_valve

   Björk–Shiley valve, as depicted in patent # US003824629. The Björk–Shiley valve is a mechanical artificial heart valve. The valve was co-invented by American engineer Donald Shiley and Swedish heart surgeon Viking Björk . Beginning in 1971, it has been used to replace aortic valves and mitral valves. It was the first successful tilting ...

6. Bentall procedure - Wikipedia

   en.wikipedia.org/wiki/Bentall_procedure

   Bentall procedure. The Bentall procedure is a type of cardiac surgery involving composite graft replacement of the aortic valve, aortic root, and ascending aorta, with re-implantation of the coronary arteries into the graft. This operation is used to treat combined disease of the aortic valve and ascending aorta, including lesions associated ...

7. Heart valve - Wikipedia

   en.wikipedia.org/wiki/Heart_valve

   A heart valve is a biological one-way valve that allows blood to flow in one direction through the chambers of the heart. Four valves are usually present in a mammalian heart and together they determine the pathway of blood flow through the heart. A heart valve opens or closes according to differential blood pressure on each side. [1] [2] [3]