We would like to compliment the authors on their recent efforts to construct a review article concerning the use of platelet-rich plasma (PRP) in the treatment of lateral epicondylar tendinopathy.1 As the authors of two of the studies evaluated in the paper, we would like to comment about the interpretation of our investigations and provide suggestions about the conclusions that may be drawn from the published data.

First, we would like to discuss the terminology used to describe the effect of a steroid injection in the published studies by Peerbooms et al 2 and Gosens et al 3 In these investigations, the group treated with steroids returned to baseline pain and function levels after 1 and 2 years (see figure 2 in ref 3). A steroid injection may have the negative effect implied by de Vos et al,1 but in this study we were able to show that the condition of patients did not worsen. It is therefore incorrect to use these papers2 ,3 as evidence to suggest that steroid injections are detrimental.

Second, the title of the article “Strong evidence against platelet-rich plasma injections for chronic lateral …