The current study strongly suggests that local injection of PRP is a novel form of treatment that provides significant relief of pain and improvement in function in both tennis elbow and plantar fasciitis. Moreover, it is possibly a safer option for patients than steroid use and surgery. The proposed mechanism of action of autologous PRP is improvement of early neotendon properties26 and improvement of tissue healing by enhancing cellular chemotaxis, proliferation and differentiation, removal of tissue debris, angiogenesis and laying of extracellular matrix.
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