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KMID : 0621520110160040241
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Journal of the Korean Society for Surgery of the Hand
2011 Volume.16 No. 4 p.241 ~ p.246
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Extracorporeal Shock Wave Therapy versus Platelet-rich Plasma Injection for the Treatment of Lateral Epicondylitis: A Prospective Randomized Clinical Trial
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Oh Jung-Hwan
Lee Sang-Hoon
Park Jin-Young
Choi Hyeuk-Woo
Jeon Seung-Hyub
Eom Joon-Sang
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Abstract
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Purpose: To compare clinical outcomes of extracorporeal shockwave therapy and platelet-rich plasma injection for the treatment of lateral epicondylitis of the elbow.
Materials and Methods: Consecutive patients with a lateral epicondylitis who had refractory elbow pain more than 6 months and no response to treatment more than 3 months were recruited for this study. Diagnosis was made on the
basis of physical examination and ultrasound imaging study. Prospective randomized trial was performed between two treatment groups; extracorporeal shockwave therapy versus platelet-rich plasma injection. Fifty patients for each group were allocated based on the results of power analysis. Disabilities of arm, shoulder and hand (DASH) scores obtained before treatment and at 1 year after the last treatment were compared between two groups.
Results: Both groups showed significant improvement of DASH scores after treatment. The patients who had platelet-rich plasma injection showed significantly greater improvement of DASH scores (from 37.0 to 11.1) than the patients who had extracorporeal shockwave therapy (from 41.9 to 29.9)
Conclusion: Better subjective outcomes can be expected after platelet-rich plasma injection compared with extracorporeal shockwave therapy in patients with a refractory lateral epicondylitis.
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KEYWORD
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Lateral epicondylitis, Extracorporeal shockwave therapy, Platelet-rich plasma injection
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