Knees for You Guide to Knee Replacement

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Patients with knee OA showed improved pain and function scores after PRP treatment 2013

February 2013

Researchers from Hospital for Special Surgery found improved pain and function scores for patients with knee osteoarthritis at 1-year follow-up when treated with platelet-rich plasma.

In the study, 22 patients received a 6-mL injection of platelet-rich plasma (PRP) for early knee osteoarthritis (OA). Fifteen patients were clinically assessed at baseline, 1 month, 2 months, 3 months, 6 months and 12 months, and also had MRIs taken at 1 year, according to the abstract. In 73% of cases, there was no progression of OA in any knee compartment at 1 year, researchers said.

One change differentiating this study from others that analyze PRP is the use of MRI, WOMAC, VAS and Activity of Daily Living scores to see the results of the biologic, Hollis G. Potter, MD, chief of the Division of Magnetic Resonance Imaging at Hospital for Special Surgery, said in a press release.