This action suggests a fluid dynamic control mechanism which positions the cusps away from the wall of the aorta, so that the slightest reversed flow will close the valve.
British cardiac patients will soon be fitted with heart valves that grow naturally within the body, marking a significant advance in treating heart disease. An initial group of over 50 patients ...
2006;9(10):691-696. The following sections present information about the most commonly implanted (contemporary) mechanical and bioprosthetic heart valves. The intent is to familiarize the reader ...
When valves are diseased, they become stiff and narrow or leaky and ineffective, meaning they either do not open fully or do not close properly when controlling blood flow around the heart.