Author Video (VIDEO) American College of Surgeons This video is under embargo. Please login to access this video. Caption Reynold Henry, MD, MPH, and Kazuhide Matsushima, MD, FACS, discuss the rise of prehospital tourniquet use in Los Angeles County and how tourniquets have improved injured patients' survival and decreased the need for blood transfusions. Credit American College of Surgeons 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.