TAVI: Minimally Invasive Treatment for Aortic Stenosis
TAVI, or Transcatheter Aortic Valve Implantation, is a minimally invasive procedure used to replace a narrowed aortic valve in patients with severe aortic stenosis, who are often not suitable candidates for open-heart surgery. In this procedure, a compressed artificial valve (for example, an Edwards SAPIEN or Medtronic Evolut valve) is delivered to the heart through a catheter, typically via the femoral artery. Once in position, the valve is expanded so that it pushes aside the diseased valve leaflets and takes over their function. Fluoroscopy and echocardiography are used to guide precise placement, helping to reduce risks such as paravalvular leak or conduction disturbances.
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