Abstract
PURPOSE: Extracorporal shock wave therapy is a controversial discussed treatment option in tennis elbow. Different studies revealed controversial results regarding the clinical benefit of 1 000 versus 2 000 impulses of constantly low energyfluxdensity. MATERIAL AND METHODS: Twenty patients were treated with low energetic shock wave therapy for symptomatic tennis elbow in a prospective, randomized, single-blind pilot study. Symptoms were evident for at least 6 months. 2 different conservative therapies failed before assignment to the study. The population was randomised into two groups of equal numbers. All patients passed inclusion criterion. The shock wave application was performed three times in weekly intervals. Group one was treated with 1 000, group two with 2 000 impulses of constantly low energetic energyfluxdensity. Follow up examinations were performed after six and twelve weeks according to a standardised questionnaire. RESULTS: Overall, patients improved in function and pain after therapy. Subjective satisfaction was evident in both groups. Overall, group one obtained better results. Undesired effects were not observed. The population is too small to reveal statistical significant results. CONCLUSION: Extracorporal shock wave therapy was helpful in the treatment of lateral epicondylitis. The application of 1 000 impulses was well tolerated by the patients and the procedure is quick.
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