THE human aortic valve consists of three cusps made of relatively inelastic, muscle-free material about 0.15 mm thick. It opens and shuts about once a second, and withstands a pressure difference ...

Middle-aged adults who need an aortic valve replacement fare better with mechanical devices than with the valves made from animal tissues that they currently most often receive, U.S. researchers ...

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 ...

Case studies, studies on children, evaluation of medications, studies on mechanical valves, murmurs caused by other heart conditions than valve diseases (such as ventricular septum defects) and ...

Objective: To investigate the functional effects on heart valves caused by an interatrial closure device. Methods and results: Between 2001 and 2006, 240 consecutive patients underwent percutaneous ...