adulthood so you re undermultiple surgeries. there s also a 50% survival. so with this baby who was born with a heart defect that needed emergency care, the doctors used a technique using donor functional valves and arteries in this partial heart transplant procedure in order to hopefully have those heart parts grow along with the baby. and what they have seen is that that surgery has been successful and he is continuing to do well. the valves are growing along with him. he s now 20 months old out from the surgery. his parents say he s hutting all his developmental milestones and it s miraculous to see the procedure and to see him now functioning as a normal little guy. he had the surgery when he was 18 days old and now 20 months. what does this mean for other