Artificial heart valve was later changed to use silicone-coated material. The first implantation of mechanical heart valve to human was performed by Dr. Hufnagel on 11 September 1952, using the valve that he developed. This event accelerated the development of other artificial heart valves. Artificial heart valve An artificial heart valve is a device implanted in the heart of a patient with valvular heart disease. When one of the four heart valves malfunctions, the medical choice may be to replace the natural valve with an artificial valve. This requires open-heart surgery. Valves are integral to the normal physiological functioning of the human heart.
Shawn Liotta overall offense with a different first year starter at quarterback. His brother Jeremy Liotta coordinated the defense which also finished as the leagues top defense overall. In 2014 despite a large roster turnover, Liotta led the Explosion to a regular season record of 9-2. The Explosion would have to travel to Saginaw Michigan to take on the Sting,setting up a rematch of the 2013 CIFL Championship game. Erie would go on to blow out the Sting 46-15, earning the right to defend their championship against the Marion Blue Racers. The Explosion would prove to be too much for the Racers,