A research team led by Scott A. Crow, MD, of Kerlan-Jobe Orthopaedic Clinic in Los Angeles, followed 17 athletes with a partial ulnar collateral ligament tear. The patients failed conservative treatment. Each patient completed baseline pain and disability tests before undergoing a single PRP injection with ultrasound guidance.
After an average of 18 weeks, 16 of the athletes returned to play. The average return-to-play time was 10 weeks and the average Kerlan-Jobe Shoulder and Elbow Score improved from 47 to 93. The average Disability of the Arm, Shoulder and Hand Score improved from 24 to three.
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