Improving lung artery function (IMAGE) Cincinnati Children's Hospital Medical Center Caption These tissue stains, cultured from patients with PAH, show that pulmonary artery tissue function improved after treatment with the experimental compound. Credit Cincinnati Children's Usage Restrictions None 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.