DAVID MONTGOMERY: Aortic stenosis is a tightening of one of the four major valves of the heart. The aortic valve is particularly important because the aortic valve is the gateway to the rest of ...

LOS ANGELES—January 25, 2025—A late-breaking study presented today at the 2025 Society of Thoracic Surgeons (STS) Annual Meeting reveals that mechanical aortic valve replacements (AVRs ...

LOS ANGELES — Aortic mechanical valves are associated with better survival than bioprosthetic valves in patients aged 60 years or younger, showed 12-year survival data from a large surgical ...

Aortic regurgitation occurs when blood flows retrograde (backwards) across the aortic valve from the aorta into the left ventricle during diastole. This abnormal backflow of blood leads to patholo ...

Decline in mechanical valve use: Despite superior outcomes in younger populations, mechanical valve use decreased from 20% to 10% over the study's 12-year period. Survival advantage: Mechanical ...