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Transcatheter Aoritic Valve Replacement (TAVR)
What is a TAVR procedure?
TAVR is a minimally-invasive procedure that repairs a damaged or narrowed aortic valve. Instead of removing the damaged valve, the surgery wedges a replacement valve inside the narrowed valve, thus resulting in a normally functioning aortic valve.
Why is it done?
Since TAVR is less invasive, it is perfect for people with aortic stenosis who are considered at intermediate or high risk of complications from surgical aortic valve replacement, such as those with lung disease, kidney disease, or diabetes. It is also an option if you have an existing biological tissue valve that has ceased to function properly.
How does it work?
Much like placing a stent in an artery, a TAVR procedure inserts a fully collapsible replacement valve into the damaged valve via a small catheter. As the new valve is expanded, it pushes aside the leaflets of the old valve and the new valve tissue takes over blood flow regulation.
What happens during the procedure?
After administering general anesthesia and a medication to prevent blood clots, a cardiologist will access your heart through either a blood vessel in your leg or a tiny incision in our chest. A catheter equipped with advanced imaging technology is inserted through the access point and guided through your blood vessels to your heart and into your damaged aortic valve. Once positioned in the proper place, a balloon is expanded to press the replacement valve into the existing aortic valve. When the valve is securely in place, the cardiologist withdraws the catheter and closes up the incision.
What are the benefits?
Is minimally invasive
Provides rapid results
Eliminates the requirement for cardiopulmonary bypass
Improves quality of life
This minimally invasive surgical procedure repairs the valve without removing the old, damaged valve. Instead, it wedges a replacement valve into the aortic valve's place.
Somewhat similar to a stent placed in an artery, the TAVR approach delivers a fully collapsible replacement valve to the valve site through a catheter.
Once the new valve is expanded, it pushes the old valve leaflets out of the way and the tissue in the replacement valve takes over the job of regulating blood flow.