Dr. Jan Friedrich, St. Michael's Hospital (IMAGE) St. Michael's Hospital Caption The Ross procedure, a valve replacement surgery that is largely unused in practice, may provide long-term benefits including longer survival, less clotting and bleeding complications and better quality of life than other valve replacement surgery, finds a study co-led by Dr. Jan Friedrich, scientist at the Li Ka Shing Knowledge Institute of St. Michael's Hospital; Dr. Subodh Verma, director of the CardioLink platform at the Keenan Research Centre for Biomedical Science (KRCBS) of St. Michael's; and Dr. Amine Mazine, a cardiac surgery fellow at St. Michael's. Credit St. Michael's Hospital Usage Restrictions Please credit St. Michael's Hospital License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.