Abstract
The purpose of this study was to retrospectively evaluate the effectiveness of Platelet-Rich Plasma Injection (PRP) for Achilles and patellar tendinopathy refractory to conventional conservative treatments. For this, we compared the data from 34 patients treated with one or two injections of PRP. Pain, functional ability, athletic recovery and satisfaction of patients were evaluated. The results show a significant reduction in pain after the PRP injection treatment, as a significant functional improvement and better sports recovery, without any significant difference according to the affected tendon or the sports. Patients are, on average, satisfied. The PRP is not the miracle treatment but can be however considered in cases of refractory tendinopathy as a possible chance of improvement. Despite the potentially positive effect of PRP injection therapy on patellar and Achilles tendinopathy, there is still not enough scientific literature of high methodological quality about it.
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