Ulnar collateral ligament (UCL) injuries of the elbow occur most commonly in throwing athletes such as baseball players. There is no perfect answer for patients who partially tear the ligament. Full thickness tears are typically repaired via so called "Tommy John Surgery". At the American Academy of Orthopedic Surgery Meeting this week, data was presented suggesting platelet rich plasma has value in the treatment of partial UCL tears.
Dr. Scott Crow of the Kerlan-Jobe Clinic in Los Angeles studied the use of PRP for elbow ligament injuries. Here is part of his report: