Here is some fascinating information about new surgical and non-surgery techniques from my surgeon, Dr. Wheatley, at Temple University hospital.
http://badaorta.com/hybrid-its-not-just-for-cars-its-also-useful-in-aortic-surgery/
http://badaorta.com/hybrid-its-not-just-for-cars-its-also-useful-in-aortic-surgery/