Transcatheter Heart Valve; Used Replace the Aortic Valve in Patients with Severe Aortic Stenosis

 

Transcatheter Heart Valve
Transcatheter Heart Valve

A transcatheter heart valve is a medical device used to replace a thickened aortic valve that cannot fully open (aortic valve stenosis). Transcatheter aortic valve replacement (TAVR) is a minimally invasive heart procedure to replace a thickened aortic valve. The aortic valve is the valve between the heart and the body. The aortic valve opens when the left ventricle squeezes to pump out blood, and closes in between heart beats to keep blood from going backward into the heart. It is located between the left lower heart chamber and the body's main artery (aorta).

The Global Transcatheter Heart Valve Market is estimated to account for US$ 7,642.7 Mn in terms of value by the end of 2027.

Transcatheter aortic valve replacement (THVR) procedure is approved by the U.S. Food and Drug Administration (FDA) for regurgitation/symptomatic severe aortic stenosis, and is recommended for people suffering from chronic diseases and those who undergo cardiac surgery. It is minimally-invasive procedure used for the treatment of heart diseases, a defective valve, or the replacement of diseased or damaged aorta valve with a new aorta valve. It is an alternative to open-heart surgery for some people who have a failing aortic or mitral valve.

Transcatheter heart valve replaces the damaged one and help heart pump blood. It also helps heart beat normally and lowers the risk for a heart attack. This method is used to treat a narrowed, or narrow-leaf mitral valve. In this procedure, surgeons insert a catheter into the leg or the chest and guide it to the heart. A replacement valve is inserted through the catheter and guided to the heart. A balloon is expanded to press the valve into place. The majority of patients who undergo TAVR are sedated, but not under general anesthesia.

The TAVR procedure is divided into five sequential steps such as access, valve crossing, balloon aortic valvuloplasty (BAV), valve implantation, and access closure. With TAVR, patients recover faster than they would after a traditional open-heart valve replacement. This method is safe and has similar or better outcomes than traditional aortic valve replacement surgery.

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