transcatheter aortic valve replacement
Also written as: TAVR — Transcatheter Aortic Valve Replacement
A minimally invasive procedure to replace a diseased aortic valve using a catheter-delivered prosthetic valve.
Full Definition
Transcatheter aortic valve replacement (TAVR or TAVI) is a procedure that involves implanting a new aortic valve through a catheter, typically via the femoral artery, without open-heart surgery. The procedure is primarily used to treat severe aortic stenosis in patients who are at high or intermediate surgical risk. The transcatheter valve is compressed and delivered through a catheter system, then expanded within the diseased native valve. TAVR has revolutionized the treatment of aortic stenosis and is increasingly being used in lower-risk patient populations.
Usage
Usage note: TAVR and TAVI are both acceptable acronyms; ensure consistency within documents.
In Context
- "The patient was deemed suitable for transcatheter aortic valve replacement given their advanced age and multiple comorbidities." — Multidisciplinary team report
- "Transcatheter aortic valve replacement has become the preferred treatment for high-risk aortic stenosis patients." — Review article