Knee and Shoulder Arthroscopy Video (VIDEO) American College of Surgeons This video is under embargo. Please login to access this video. Caption Marijuana-Dependent Patients at Higher Risk for Infection after Knee or Shoulder Arthroscopy Procedures Credit American College of Surgeons Usage Restrictions Please credit the American College of Surgeons 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.