TAVR
Also written as: TAVR — Transcatheter Aortic Valve Replacement
Transcatheter aortic valve replacement, a minimally invasive procedure to replace a stenotic aortic valve.
Full Definition
Transcatheter aortic valve replacement is a catheter-based procedure that allows replacement of a diseased aortic valve without open-heart surgery. The procedure involves inserting a collapsible bioprosthetic valve through a catheter, typically via the femoral artery, and deploying it within the existing aortic valve. TAVR has revolutionized the treatment of aortic stenosis, particularly in high-risk surgical patients. Pre-procedural imaging with CT is essential for sizing and planning, while post-procedural echocardiography monitors valve function and potential complications such as paravalvular leak.
Usage
Usage note: TAVR and TAVI are often used interchangeably, but TAVR is preferred in US medical literature.
In Context
- "Pre-TAVR CT imaging demonstrated appropriate annular dimensions for a 26mm valve." — Cardiothoracic surgery consultation
- "Post-TAVR echocardiography showed excellent valve function with no paravalvular leak." — Post-procedural imaging report