Aortic stenosis is a heart valve disease that some people don't realize they have. So what is it, how is it treated?

Frame design influences critical parameters such as radial strength, flexibility, fatigue resistance and conformability to ...

Aortic valve narrowing (aortic stenosis) with concomitant cardiac amyloidosis is a severe heart disease of old age that is ...

A total of 109,842 patients underwent either bioprosthetic (94,125) or mechanical (15,717) aortic valve replacement (AVR) during the study period. After risk adjustment, mechanical valves showed ...

Long-term clinical outcomes in patients between the age of 50-70 years receiving biological versus mechanical aortic valve prostheses. European Journal of Cardio-Thoracic Surgery , 2025; DOI: 10. ...

Patients aged between 50 to 70 years with a mechanical heart valve replacement had better long-term survival compared to those with a biological valve, new research led by the University of Bristol ...

Mechanical Aortic Valves: The researchers reviewed data on nearly 110,000 patients who underwent surgical replacement of aortic valves between the ages of 40 and 79. They found that in those aged ...

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 ...

LOS ANGELES, CA—In patients ages 60 years or younger undergoing surgical aortic valve replacement, mechanical valves are associated with a survival benefit compared with bioprosthetic valves, ...

Source Reference: Bowdish ME, et al "Bioprosthetic vs mechanical aortic valve replacement in patients 40-75 years" J Am Coll Cardiol 2025; DOI: 10.1016/j.jacc.2025.01.013.

image: Study Finds Mechanical Valves Offer Superior Long-Term Survival for Aortic Valve Replacement Patients Aged 60 and Younger. view more . Credit: The Society of Thoracic Surgeons ...

Replacement Aortic Valves. There are two main types. Mechanical valves are carbon, metal, or plastic. They last long but boost your chances of having blood clots.