Does platelet-rich plasma for the knee work?

Does platelet-rich plasma for the knee work?

Athletes such as Tiger Woods and Rafael Nadal are rumored to have undergone a relatively new treatment that involves injections of platelet-rich plasma. Proponents say the therapy offers cutting-edge treatment for previously debilitating injuries, including painful knee problems due to osteoarthritis.

Athletes such as Tiger Woods and Rafael Nadal are rumored to have undergone a relatively new treatment that involves injections of platelet-rich plasma. Proponents say the therapy offers cutting-edge treatment for previously debilitating injuries, including painful knee problems due to osteoarthritis.

AAOS The American Orthopaedic Society for Sports Medicine AANA american shoulder and elbow society international society for hip arthroscopy