Cardiovascular research (IMAGE) Virginia Tech Caption Scott Johnstone (left), an associate professor with the Fralin Biomedical Research Institute, and Mark Joseph, a cardiothoracic surgeon with Carilion Clinic, led a study published in the Journal of Vascular Research whose findings have the potential to improve outcomes in coronary artery bypass graft surgeries. Credit Virginia Tech/Carilion Clinic Usage Restrictions None License Original 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.