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KMID : 0361420090330010077
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Journal of Korean Academy of Rehabilitation Medicine
2009 Volume.33 No. 1 p.77 ~ p.83
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Low-energy Extracorporeal Shock Wave Therapy on Chronic Epicondylitis of the Elbow: Clinical and Sonographic Study
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Jung Kyung-Hoon
Hwang Ji-Hye
Chang Hyun-Jung
Yoon Young-Cheol
Park Min-Jong
Yoo Jae-Chul
Park Won-Ha
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Abstract
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Objectives:To evaluate the effect of extracorporeal shock wave therapy (ESWT) and the improvement of ultrasonographic findings in refractory chronic epicondylitis of the elbow.
Methods:Twenty seven patients (7 men, 20 women, mean age 47) with minimum 1 year history of chronic epicondylitis of the elbow that was unresponsive to conventional therapy were included. Each patient was treated with 3~4 sessions of low-energy (0.06~0.12 mJ/mm2, 2000 impulses) ESWT. A 100-point scoring system, Nirschl score and Roles and Maudsley score were evaluated before treatment and at the 3- and 6-month follow-up. Ultrasonography was performed before treatment and at the 3-month follow-up.
Results: Total score of a 100-point scoring system and Nirschl score were significantly improved at the 3- and 6-month follow-up compared to before treatment (p<0.05). Follow up ultrasonography was performed in twenty one patients. Eighteen of 21 patients (85.7%) showed improvement of tendinosis and 4 of 6 patients (66.7%) showed improvement of tear and 3 of 10 patients (30.0%) showed improvement of calcification on ultrasonography.
Conclusion: ESWT is safe and effective modality in the treatment of refractory chronic epicondylitis of the elbow. And ultrasonography can be a useful method to evaluate the therapeutic effect of ESWT.
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KEYWORD
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Extracorporeal shock wave therapy (ESWT), Lateral epicondylitis, Medial epicondylitis, Ultrasonography
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