Intraarticular Injections of Platelet-rich Plasma in Pain's Treatment of the Osteoarthritic Knee

Platelet-rich plasma (PRP), due to its high content of cytokines, bioactive proteins and platelet growth factors, may contribute to diminish the pain of arthritic knee. It was also recently recognized a regenerative cell potential improving the concentration of hyaluronic acid and stabilizing angiogenesis in arthritic knees This study therefore seeks to assess the analgesic power of PRP in osteoarthritic knees intraarticularly infiltrated, and which patients would benefit most from treatment, eliminating false expectations in the rest.