SYDNEY, Jan. 12 (UPI) --Middle-aged patients who have aortic valve replacement, or AVR, may do better after surgery with tissue-based valves rather than metal ones, according to a new study. ...

If a valve, such as the aortic or mitral valve, is diseased or faulty, it may require repair or, sometimes, replacement if repair is not an option or fails.Open-heart surgery is the traditional way of ...

On this tissue-like surface, they saw the same sex-based differences observed in actual valve tissue—female cells transformed into myofibroblasts, while male cells continued down the path to ...

UBCO’s Dr. Hadi Mohammadi holds his latest innovation—a manufactured heart valve that combines the best of both tissue and mechanical technologies—that may eventually out-perform current valves.

Most patients who have mitral valve leaks are candidates for mitral valve repair or replacement surgery. The options are: Full sternotomy — The surgeon will make an eight- to 10-inch incision down the ...

Porcine valves were introduced in 1975, and Edwards received U.S. approval in 1991 to use bovine products as aortic valve replacements, which account for about 60% of heart valve surgeries.

FDA said the Atlanta-based company's device is the first heart valve made from human tissue that has had the skin cells removed. Normally, when human tissue is removed from a cadaver to make a ...

SMALL discs of heart tissue produced from human stem cells could eventually provide a source of replacement heart valves. Magdi Yacoub and his UK-based team at the Harefield Heart Science Centre ...

Patients between the ages of 40 and 70 who undergo aortic valve replacement (AVR) may fare better with tissue-based valves rather than metal-based valves, according to a review article.

Heart Valves Made from Tissue Rather Than Metal Are Better. by Bidita Debnath on Jan 13 2016 3:28 AM. ... (AVR) may fare better with tissue-based valves rather than metal-based valves. ...