DEAR MAYO CLINIC: I am a 5-foot-2 woman, weighing 125 pounds. I’m active; I walk an hour every day. I was diagnosed with mitral valve stenosis 37 years ago as a teenager. I received a replacement ...

The thought of having heart surgery can be frightening no matter the odds, but as science continues to press forward, the advancement of minimally invasive procedures is changing the outlook for ...

Dr. Siddharth, usually referred to as Dr. Sidd, decided to repair and not replace Baer’s valve. He used an innovative technique called PVL closure to place a catheter in a small vein in the patient’s ...

During heart valve replacement surgery, a surgeon replaces damaged or diseased valves in the heart. They can replace it with a mechanical valve or biological valve from a pig or cow. A person with ...

WASHINGTON — The Federal Railroad Administration on Friday ordered rail tank car owners to replace defective valves that cause oil to spill from moving trains and never approved for installation on ...

WASHINGTON – The Federal Railroad Administration on Friday ordered rail tank car owners to replace defective valves never approved for installation on thousands of tank cars, causing oil to spill from ...