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Journal of the Korean Academy of Rehabilitation Medicine 2007;31(6):711-717.
Effect of Low-energy Extracorporeal Shock Wave Therapy on Calcifying Epicondylitis: Sonographic Follow-up.
Hwang, Ji Hye , Lee, Yong Taek
1Department of Physical Medicine and Rehabilitation, Samsung Medical Center, Sungkyunkwan University School of Medicine, Korea.
2Department of Physical Medicine and Rehabilitation, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Korea. dr_jaewhal@nate.com
석회성 상과염에 대한 저 에너지 체외충격파 치료의 효과: 초음파 추시
황지혜, 이용택1
성균관대학교 의과대학 삼성서울병원 재활의학교실, 1강북삼성병원 재활의학교실
To evaluate the effect of low-energy extracorporeal shock wave therapy (ESWT) in refractory calcifying epicondylitis.
Twelve patients (1 man, 11 women, mean age 49), who suffered from refractory medial or lateral epicondylitis (mean duration 22 months) with sonographically verified calcification, were included. Subjects were classified according to radiologic and sonographic findings of calcification. Visual analogue scale (VAS) at rest and activities of daily living (ADL) as well as Nirschl score were evaluated before and 3 months after low-energy (0.06∼0.12 mJ/mm2, 1,500∼ 2,000 shocks) extracorporeal shock wave therapy (ESWT). Sonographic changes and Roles and Maudsley score were assessed 3 months after ESWT.
VAS at rest and ADL as well as Nirschl score were significantly decreased (p<0.05) after ESWT. Roles and Maudsley score was "Good" in six patients (50%), "Acceptable" in 3 (25%) and "Poor" in 3 (25%) after 3 months. In sonographic classification, "Fragmented type" was observed in five (42%), "Nodular" in 3 (25%), "Small" in 4 (33%). All of eight radiologically positive patients (67%) showed sonographic changes of calcification including one complete resorption (8%), 3 disintegration (25%) and 4 decrease of size or number (33%). All of four radiologically negative patients (33%) were "Small type" and did not show any change of calcification on sonography.
Low-energy ESWT can help the clinical improvement and resorption of calcification in refractory calcifying medial or lateral epicondylitis. Radio-opaque calcification may be a good indicator of resorption of calcification on sonography after low-energy ESWT. (J Korean Acad Rehab Med 2007; 31: 711-717)
Key Words: Extracorporeal shock wave therapy (ESWT), Lateral epicondylitis, Calcification, Ultrasonography, Medial epicondylitis


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