Robert Gross

Robert E. Gross is most famous for performing the first successful surgical ligation of a patent ductus arteriosus (PDA) in 1938. This landmark operation at Boston Children's Hospital marked the beginning of modern pediatric cardiac surgery. Prior to his work, heart defects of this nature were generally considered untreatable.

Gross conducted his groundbreaking clinical work and research primarily at Boston Children's Hospital. He served as the surgeon-in-chief there for many years, establishing it as a premier center for pediatric cardiovascular surgery. His efforts fundamentally advanced the hospital's vascular access techniques and bioprosthetic graft implementations.

Yes, Dr. Gross significantly advanced vascular surgery by pioneering the use of homografts and bioprosthetic materials for arterial bypasses. He utilized preserved human grafts to replace or bypass damaged arteries, particularly in children. This innovation paved the way for the modern use of synthetic and biological grafts in cardiovascular procedures.

By successfully operating on congenital heart defects, Gross established that the heart and major vessels could be safely surgically repaired in infants and children. His 1938 PDA ligation proved that catastrophic birth defects could be cured. He essentially laid the foundational principles for what would become pediatric cardiothoracic surgery.