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Clin Shoulder Elbow > Volume 12(1); 2009 > Article
Journal of the Korean Shoulder and Elbow Society 2009;12(1):21-26.
DOI: https://doi.org/10.5397/CiSE.2009.12.1.021    Published online June 30, 2009.
Dose-related Effect of Extracorporeal Shock Wave Therapy for Lateral Epicondylitis : Prospective Randomized Double Blind Comparative Study
Joo Han Oh, Jong Pil Yoon, Chung Hee Oh, Ki Hyun Jo, Hyun Sik Gong
1Department of Orthopedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Korea.
2Department of Orthopedic Surgery, Seoul Medical Center, Korea. altjp@hanmail.net
주관절 외상과염의 체외 충격파 시술에서 에너지량에 따른 치료 효과 - 전향적 무작위적 이중 맹검 대조군 연구 -
서울대학교 의과대학 정형외과학교실, 분당서울대학교병원 관절센터, 서울의료원 정형외과*
The aim of this study was to examine the dose-related effect of extracorporeal shock wave therapy (ESWT) for lateral epicondylitis. MATERIALS AND METHODS: Thirty patients with refractory lateral epicondylitis despite conservative treatment for 6 months were enrolled in this study. The patients were divided randomly into a low- and highenergy group. All patients were treated 3 times with ESWT with an interval of 1 week in a double blinded manner. The mean energy level in the low- and high-energy group was 0.12 mJ/mm2 and 0.24 mJ/mm2, respectively. The upper extremity functional scales and Mayo elbow scores were measured prospectively at the baseline, 1, 3 and 6 months after ESWT.
Significant clinical improvement was observed in both groups after ESWT. The high-energy group showed better pain improvement at 6 months after ESWT (p=0.019). The effect of ESWT was dominant between 1 and 6 months after ESWT than within 1 month.
ESWT for lateral epicondylitis demonstrated showed good results regardless of the energy dose. However, a high-energy level was more effective in pain improvement after 6 months of treatment.
Key Words: Lateral epicondylitis; Extracorporeal shock wave therapy; Dose-related effect
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