Korean J Sports Med.  2012 Dec;30(2):110-115. 10.5763/kjsm.2012.30.2.110.

Treatment of Chronic Patellar Tendinitis with Platelet Rich Plasma Injection

  • 1Department of Orthopedic Surgery, Inje University Seoul Paik Hospital, Inje University College of Medicine, Seoul, Korea. revo94@hanmail.net


The aim of this study was to evaluate the efficacy of platelet rich plasma (PRP) injections on the healing of chronic patellar tendinitis. We treated 44 patients affected by chronic patellar tendinitis. Lysholm, International Knee Documentation Committee, visual analogue scale score were used for clinical evaluation before, at the end of the treatment. A statistically significant improvement in all scores was observed at the end of the PRP injections in patients with chronic patellar tendinitis. The clinical results are encouraging, indicating that PRP injections have the potential to promote the achievement of a satisfactory clinical outcome to chronic patellar tendinitis.


Chronic patella tendinopathy; Platelet rich plasma
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