[Purpose] This study compared the analgesic effects of extracorporeal shock wave therapy
with those of ultrasound therapy in patients with chronic tennis elbow. [Subjects] Fifty
patients with tennis elbow were randomized to receive extracorporeal shock wave therapy or
ultrasound therapy. [Methods] The extracorporeal shock wave therapy group received 5
treatments once per week. Meanwhile, the ultrasound group received 10 treatments 3 times
per week. Pain was assessed using the visual analogue scale during grip strength
evaluation, palpation of the lateral epicondyle, Thomsen test, and chair test. Resting
pain was also recorded. The scores were recorded and compared within and between groups
pre-treatment, immediately post-treatment, and 3 months post-treatment. [Results] Intra-
and intergroup comparisons immediately and 3 months post-treatment showed extracorporeal
shock wave therapy decreased pain to a significantly greater extent than ultrasound
therapy. [Conclusion] Extracorporeal shock wave therapy can significantly reduce pain in
patients with chronic tennis elbow.
Objective: Comparing the eiciency of ultrasound therapy (US) versus extracorporeal shock wave therapy (ESWT) on pain and perceived health in men with bilateral knee osteoarthritis (OA). Design: A pilot randomized trial with concealed allocation, assessor blinding and intention-to-treat analysis was conducted.Participants: 60 men, 44-66 years old were randomized to an experimental (US) and a control (ESWT) group. Intervention: The participants in both groups atended 5-week treatments. The experimental group received continuous US and a series of 10 treatments two times per week. The control group received 5 ESWT treatments once per week.
Outcome measures:The primary outcome was visual analogue scale (VAS) pain ratings. The secondary outcome measured perceived health using the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC). The examinations were taken before and after the treatment. Results: After 5-week treatment the experimental group had signiicantly worse scores than the control group on the VAS for pain, and on the WOMAC for perceived health. Conclusion: Patients with knee OA can achieve signiicant beter health beneits caused by ESWT than by US.
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