Nearly a year after a newborn received the world s first partial heart transplant, the transplanted valves and arteries are functioning and growing with the chi
Owen Monroe was 18 days old when he made history, becoming the first person in the world to receive a partial heart transplant. In a new study, his doctors will document another milestone: For the first time, the tissue used to fix Owen’s heart has grown, a long-sought goal of this type of repair.