Cardiotrophin Improves Heart Health and Repairs Damage in Lab Models (image) Ottawa Hospital Research Institute Share Print E-Mail Caption The far right image shows how a cardiotrophin treatment repaired heart muscle after a heart attack in a rat model. The blue areas are scar tissue and the red sections are healthy heart muscle. Credit Cell Research Usage Restrictions This image may only be used in content about this research Share Print E-Mail 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.