The AMDS hybrid prosthesis is a small mesh tube placed in the aortic arch during surgery to restore normal blood flow without the need for a full arch replacement.

For years, William Kvasnicka knew he had a problem with his aorta. A dangerous bulge, called an aneurysm, was slowly growing larger. If it burst, it could be fatal.

Aortic dissection is a serious, potentially life-threatening condition that can occur at any age. Knowing what the aorta is and what it does helps better understand the condition.