aortic valve

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  • noun

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a semilunar valve between the left ventricle and the aorta

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Relation of weights of operatively excised stenotic aortic valves to preoperative transvalvular peak systolic pressure gradients and to calculated aortic valve areas.
Sadra Medical, a medical device firm dedicated to developing innovative new therapies for aortic valve disease, today announced the enrollment and treatment of four new patients in the second phase of its European Feasibility Study of the Sadra Lotus[TM] Valve System.
For decades, the medical community has accepted that aortic valve disease was part of the aging process and that replacing valves surgically was the only treatment," says senior investigator Nalini Rajamannan, MD, director of the Center for Heart Valve Disease in the Bluhm Cardiovascular Institute of Northwestern Memorial Hospital and assistant professor of medicine, Northwestern University Feinberg School of Medicine.
Its proprietary ReValving[R] System allows both percutaneous aortic valve replacement (PAVR) and transapical aortic valve replacement (TAVR) and is intended to provide an alternative to open-heart surgery.
This case demonstrates that when bioprostheses are placed in both mitral and aortic valve positions during the same operation, the bioprosthesis in the mitral valve tends to degenerate more rapidly than a similar bioprosthesis in the aortic valve (1).
CHICAGO -- CHICAGO, May 5 /PRNewswire/ -- Bone-like cells similar to the cells found in the skeleton calcify in the heart's aortic valve and are responsible for the blockages that lead to the need for open-heart surgery to replace the aortic valve for tens of thousands of Americans, according to researchers at Northwestern Memorial Hospital and Northwestern University.
Designed to Enable Successful Aortic Valve Replacement Via Minimally Invasive Transcatheter Procedure
The data indicate that patients 60 years and older who receive a Carpentier-Edwards PERIMOUNT aortic valve will have a greater than 90% chance of not needing a new valve for 20 years.
com) announced today that a total of 30 patients at four investigative sites worldwide have now undergone percutaneous aortic valve replacement (PAVR) on a beating heart with the CoreValve Percutaneous ReValving System(TM) to treat their aortic stenosis or aortic regurgitation conditions.
Delagardelle commented, "Direct Flow Medical's technology allows the delivery of a replacement aortic valve via a catheter and utilizes devices and techniques familiar to the interventional cardiologist, often a rapid adopter of innovative technologies.
While designed for repair of moderately diseased aortic valves, this first clinical use of Corazon's BHAVR device was performed on a more severely diseased aortic valve prior to bioprosthetic replacement.
The Corazon technology is anticipated to facilitate aortic valve replacement and improve outcomes, including implant durability.
Porcine aortic valves are similar to human aortic valves in structure and function, and porcine tissue is quite compatible for implantation into human patients after it has been processed.
CE (Conformite Europeenne) Mark approval in countries of the European Union and approval by the Canadian Therapeutic Products Directorate places the ADVANTAGE supra-annular model in a growing segment of the world market for mechanical aortic valves that replace diseased or damaged natural aortic heart valves.
the developer of an innovative method for demineralizing and repairing calcific aortic valves, announced today that it has received conditional IDE approval from the FDA for the clinical evaluation of its device in the United States.