Tennis elbow is a painful condition of the elbow caused by overuse. Tennis and other racquet sports can cause this condition. Also, other activities that involve a similar repetitive motion can also be causal. Patients with tennis elbow have inflammation in the tendons that connect the forearm muscles on the outside of the elbow. These forearm muscles and tendons become injured from overuse leading to pain and tenderness on the outside of the elbow.
Medications like non-steroidal anti-inflammatory drugs (NSAIDS), physical therapy, shock wave therapy, botulism toxin injection and corticosteroid injection are used to treat lateral epicondylitis. Many studies show that they did not alter poor healing of the common extensor tendon, causing a long course of treatment. In addition, the adverse side effects due to prolonged use of NSAIDs, such as bleeding, ulcers, and renal failure and those of corticosteroids, tendon atrophy and permanent structural changes, make these types of treatments very controversial.
Recently, minimally invasive interventions that stimulate healing response and counteract degenerative structural changes in lateral epicondylitis have been researched. One of these emerging technologies is platelet-rich plasma (PRP) injections.
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