| 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 - |
| 오주한·윤종필*·오정희·조기현·공현식 |
| 서울대학교 의과대학 정형외과학교실, 분당서울대학교병원 관절센터, 서울의료원 정형외과* |
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| Abstract |
PURPOSE
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.
RESULTS
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.
CONCLUSION
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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