RIDGEWOOD, N.J., Jan. 13, 2015 /PRNewswire-USNewswire/ -- The Valley Hospital Heart and Vascular Institute is one of 17 preeminent cardiac surgery centers in the United States and Europe selected to participate in a clinical feasibility trial of a new implant designed to support vein grafts used in performing a cardiac bypass procedure. The trial is included among a robust list of clinical trials currently underway through The Valley Hospital Okonite Research Center.read more