RésuméIntroduction. -Certaines tendinopathies se chronifient malgré une thérapeutique adéquate. Un traitement novateur par injection de plaquettes (platelet rich plasma ou PRP) permettrait d'éviter une intervention chirurgicale.Éphémèse. -Nous avons réalisé une revue de la littérature concernant l'administration de PRP. Son efficacité serait liée aux différents facteurs plaquettaires de croissance qui, après préparation adéquate, deviennent 3 à 50 fois plus concentrées que dans le sang complet. Le PRP, utilisé avec succès dans différentes disciplines médicales, a démontré in vitro une activité tendineuse réparatrice. Cependant, une seule étude clinique rapporte l'efficacité du PRP dans le traitement des épicondylites.Conclusion. -Le PRP pourrait théoriquement constituer un traitement séduisant des tendinopathies chroniques mais la seule étude clinique ne permet pas encore d'établir sa réelle efficacité. AbstractIntroduction. -Some tendinopathies become chronic in spite of an appropriate treatment. Further treatment with an injection of platelet rich plasma (PRP) can avoid surgical intervention.Ephemesis. -We have made a review of literature concerning the PRP. Its efficacy is due to growth factors contained in platelets which are from 3 to 50 times more concentrated after preparation than in blood. The use of PRP has good results in different medical disciplines and can heal tendons in vitro studies. However, only one clinical study reports a good efficacy of PRP in the treatment of epicondylitis.Conclusion. -PRP is an interesting technique to treat chronic tendinopathies but there are not enough studies to determine its real efficacy.
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