The Journal of Korean Physical Therapy

The Korean Society of Physical Therapy (대한물리치료학회)
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Effectiveness of Shortwave Therapy in Management of Knee Osteoarthritis : A Systematic Review and Meta-analysis of Randomized Controlled Trials

무릎 뼈관절염의 단파치료 효과 : 무작위임상시험의 메타분석과 체계적 고찰

  • Lee, Jae-Hyoung (Department of Physical Therapy, Wonkwang Health Science University) ;
  • Cho, Hyuk-Shin (Department of Physical Therapy, Wonkwang Health Science University) ;
  • Song, In-Yong (Department of Physical Therapy, Mokpo Science University)
  • 이재형 (원광보건대학교 물리치료과) ;
  • 조혁신 (원광보건대학교 물리치료과) ;
  • 송인영 (목포과학대학교 물리치료과)
  • Received : 2014.09.12
  • Accepted : 2014.10.17
  • Published : 2014.10.25
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Abstract

Purpose: The purpose of this study is to assess the effectiveness of short-wave therapy (SWT) for treatment of knee osteoarthritis (OA) as compared to placebo and control, and to assess the question of whether the effects are related to the mode, dosage, and application method. Methods: We searched randomized, placebo-controlled trials using electronic databases. We also manually reviewed sources in order to identify additional relevant studies. Results: Eight studies (597 participants) with OA were included in the meta-analysis. Pulse SWT had a significant effect on pain relief compared with control treatment, while did not favour compared with the placebo group. Pulse SWT had a significant effect on functional improvement compared with control and placebo treatment. Continuous SWT had no effect on pain relief and functional improvement. Capacitive SWT a significant effect on pain relief, functional improvement, and muscle strength. Continuous and capacitive SWT had increased muscle strength significantly. We found no clinical significance of all outcomes except pain and functional improvement in pulsed SWT with low dose. There was no difference in adverse events. None of the participants experienced any serious adverse events. Conclusion: Low dose pulsed SWT provided a short-term clinical benefit for pain relief and functional improvement. Pulsed SWD with low and high dose had effects on pain and function. There seems to be a placebo effect. We found significant effects on pain and function in capacitive SWT. Despite some positive findings, this analysis lacked data on how effectiveness is affected by mode, dosage, and application method of SWT. Further well-designed clinical studies are required in order to confirm the effectiveness of SWT.

Keywords

References

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