Platelet-Rich Plasma Injections

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Evolution of Platelet-Rich Plasma Injections

Platelet-Rich Plasma (PRP) is a substance created by spinning down a tube of blood in a centrifuge machine and separating out the portion containing a high percentage of platelet cells. Platelet cells release multiple growth factors related to the generation of soft tissue, such as during healing. When PRP is harvested and spun down, a small amount of calcium chloride is added to activate the platelet cells to start producing growth factors once injected into the target area. The goal is to increase the body’s own healing
process to resolve the damage that is causing the painful condition. PRP has been tried in a host of musculoskeletal conditions, but the evidence for its success is the best for healing the kneecap after ACL surgery and for educing pain in tennis elbow. Investigation is ongoing for many other orthopaedic conditions throughout the body.

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