Platelet-Rich Plasma: Formulations, Preparations, Constituents, and Their Effects

Platelet-rich plasma (PRP) is a biological treatment option that is increasingly used in sports medicine applications. Outcomes from treating tendon, ligament, muscle, and cartilage injuries with PRP have been variable across many studies, and these differences may be because of the variations in formulations and preparation of PRP. The purpose of this article is to describe the factors that determine the effects of PRP.