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. 2015 Dec;135(12):1637-45.
doi: 10.1007/s00402-015-2322-7. Epub 2015 Aug 30.

Platelet-rich plasma for chronic lateral epicondylitis: is one injection sufficient?

Michael C Glanzmann  1 , Laurent Audigé  2
Affiliations

Platelet-rich plasma for chronic lateral epicondylitis: is one injection sufficient?

Michael C Glanzmann et al. Arch Orthop Trauma Surg. 2015 Dec.

Abstract

Introduction: Chronic lateral epicondylitis is generally treated using nonsurgical methods including physiotherapy and infiltrations of cortisone or platelet-rich plasma (PRP). The latter is known for its simple application as well as associated low risk of adverse events, which lend to its widespread use in treating various musculoskeletal conditions. There is limited evidence on the effectiveness of PRP injections to optimally treat chronic lateral epicondylitis. This study explored the effectiveness of single or repeated injections for patients with symptoms that spanned 6 months or more and were unresponsive to alternate conservative measures.

Methods and materials: Patients with chronic lateral epicondylitis received PRP injections in 4-week intervals that were complemented with standardized physical therapy. Patient-reported outcomes based on the patient-rated elbow evaluation (PREE), quick disabilities of the arm, shoulder and hand (qDASH), and EuroQol (five dimensions) 3-level version (EQ5D3L) questionnaires were documented at each visit including 6 months after the first injection. These outcomes were compared between patients receiving 1 vs. 2 or 3 PRP injections.

Results: Sixty-two patients received one (n = 36) or more (n = 26) PRP injections. The mean baseline to 6-month follow-up scores of the PREE and qDASH questionnaires improved significantly from 54.0 to 23.0 and 50.3 to 20.7, respectively. The mean baseline EQ5D3L-visual analogue scale score improved from 62.5 to 82.9 by 6 months post-injection. These outcomes did not significantly differ between the patients who received varying numbers of injections.

Conclusions: Patients with chronic lateral epicondylitis reported significant pain relief and gain in function as well as quality of life 6 months after localized PRP treatment. A single PRP injection may be sufficient.

Keywords: Elbow; Epicondylitis; Healing; Injection; Patient-rated outcomes; Platelet-rich plasma.

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