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Effect of Low-Intensity Pulsed Ultrasound on Quality of Life of Knee Osteoarthritis

Received: 21 December 2014     Accepted: 24 April 2015     Published: 12 May 2015
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Abstract

Background: Knee osteoarthritis (OA) is a common disease worldwide and causes disability in elderly. Recent studies showed that therapeutic ultrasound (US) can reduced pain in various musculoskeletal disorders. Objective: To determined the effect of low-intensity pulsed US on quality of life and reduction of pain in grade 1 to 3 knee OA. Material and methods: We conducted a randomized control trial before and after therapy in 61 knee OA patients. We applied 12 sessions of low-intensity pulsed US, 20 minutes each, with frequency 1 MHz, and intensity of 0.2 W/cm2, duty cycle of 20% to 28 patients. Thirty three patients without therapy were categorized as control group. Reduction of pain by a visual analog scale and Quality of life by The Western Ontario and McMaster Universities (WOMAC) questionnaire, were obtained before and after 12 sessions. We used the Wilcoxon test to compare the median and the Mann-Whitney U test for the difference between groups with a p value of 0.05 was considering as significant. Results: We observed a reduction of pain in therapy group (VAS before 3.5 (2/7); after 2.0 (0/5); p=0.001) and also in control group (VAS before 5.1 (2/8); after 4.0 (2/7); p=0.001), but the reduction was significantly more prominent in therapy group (p=0.004). There was a better quality of life in therapy group (WOMAC before 21.35 (4.2/52.1); after 11.45 (0.0/47.9); p=0.001) and also in control group (WOMAC before 25.00 (5.2/60.4); after 20.83 (3.1/55.2); p=0.001), but the score was significantly better in therapy group (p=0.001). Conclusions: Twelve sessions of low-intensity pulsed US has a benefit effect over pain and quality of life in knee OA patients.

Published in American Journal of Health Research (Volume 3, Issue 3)
DOI 10.11648/j.ajhr.20150303.20
Page(s) 166-169
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2015. Published by Science Publishing Group

Keywords

Low-Intensity Pulsed Ultrasound, Knee Osteoarthritis, Quality of Life, VAS, WOMAC

References
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  • APA Style

    Joudy Gessal, Irawan Yusuf, Ilhamjaya Patellongi, Gatot Lawrence. (2015). Effect of Low-Intensity Pulsed Ultrasound on Quality of Life of Knee Osteoarthritis. American Journal of Health Research, 3(3), 166-169. https://doi.org/10.11648/j.ajhr.20150303.20

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    ACS Style

    Joudy Gessal; Irawan Yusuf; Ilhamjaya Patellongi; Gatot Lawrence. Effect of Low-Intensity Pulsed Ultrasound on Quality of Life of Knee Osteoarthritis. Am. J. Health Res. 2015, 3(3), 166-169. doi: 10.11648/j.ajhr.20150303.20

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    AMA Style

    Joudy Gessal, Irawan Yusuf, Ilhamjaya Patellongi, Gatot Lawrence. Effect of Low-Intensity Pulsed Ultrasound on Quality of Life of Knee Osteoarthritis. Am J Health Res. 2015;3(3):166-169. doi: 10.11648/j.ajhr.20150303.20

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  • @article{10.11648/j.ajhr.20150303.20,
      author = {Joudy Gessal and Irawan Yusuf and Ilhamjaya Patellongi and Gatot Lawrence},
      title = {Effect of Low-Intensity Pulsed Ultrasound on Quality of Life of Knee Osteoarthritis},
      journal = {American Journal of Health Research},
      volume = {3},
      number = {3},
      pages = {166-169},
      doi = {10.11648/j.ajhr.20150303.20},
      url = {https://doi.org/10.11648/j.ajhr.20150303.20},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajhr.20150303.20},
      abstract = {Background: Knee osteoarthritis (OA) is a common disease worldwide and causes disability in elderly. Recent studies showed that therapeutic ultrasound (US) can reduced pain in various musculoskeletal disorders. Objective: To determined the effect of low-intensity pulsed US on quality of life and reduction of pain in grade 1 to 3 knee OA. Material and methods: We conducted a randomized control trial before and after therapy in 61 knee OA patients. We applied 12 sessions of low-intensity pulsed US, 20 minutes each, with frequency 1 MHz, and intensity of 0.2 W/cm2, duty cycle of 20% to 28 patients. Thirty three patients without therapy were categorized as control group. Reduction of pain by a visual analog scale and Quality of life by The Western Ontario and McMaster Universities (WOMAC) questionnaire, were obtained before and after 12 sessions. We used the Wilcoxon test to compare the median and the Mann-Whitney U test for the difference between groups with a p value of 0.05 was considering as significant. Results: We observed a reduction of pain in therapy group (VAS before 3.5 (2/7); after 2.0 (0/5); p=0.001) and also in control group (VAS before 5.1 (2/8); after 4.0 (2/7); p=0.001), but the reduction was significantly more prominent in therapy group (p=0.004). There was a better quality of life in therapy group (WOMAC before 21.35 (4.2/52.1); after 11.45 (0.0/47.9); p=0.001) and also in control group (WOMAC before 25.00 (5.2/60.4); after 20.83 (3.1/55.2); p=0.001), but the score was significantly better in therapy group (p=0.001). Conclusions: Twelve sessions of low-intensity pulsed US has a benefit effect over pain and quality of life in knee OA patients.},
     year = {2015}
    }
    

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  • TY  - JOUR
    T1  - Effect of Low-Intensity Pulsed Ultrasound on Quality of Life of Knee Osteoarthritis
    AU  - Joudy Gessal
    AU  - Irawan Yusuf
    AU  - Ilhamjaya Patellongi
    AU  - Gatot Lawrence
    Y1  - 2015/05/12
    PY  - 2015
    N1  - https://doi.org/10.11648/j.ajhr.20150303.20
    DO  - 10.11648/j.ajhr.20150303.20
    T2  - American Journal of Health Research
    JF  - American Journal of Health Research
    JO  - American Journal of Health Research
    SP  - 166
    EP  - 169
    PB  - Science Publishing Group
    SN  - 2330-8796
    UR  - https://doi.org/10.11648/j.ajhr.20150303.20
    AB  - Background: Knee osteoarthritis (OA) is a common disease worldwide and causes disability in elderly. Recent studies showed that therapeutic ultrasound (US) can reduced pain in various musculoskeletal disorders. Objective: To determined the effect of low-intensity pulsed US on quality of life and reduction of pain in grade 1 to 3 knee OA. Material and methods: We conducted a randomized control trial before and after therapy in 61 knee OA patients. We applied 12 sessions of low-intensity pulsed US, 20 minutes each, with frequency 1 MHz, and intensity of 0.2 W/cm2, duty cycle of 20% to 28 patients. Thirty three patients without therapy were categorized as control group. Reduction of pain by a visual analog scale and Quality of life by The Western Ontario and McMaster Universities (WOMAC) questionnaire, were obtained before and after 12 sessions. We used the Wilcoxon test to compare the median and the Mann-Whitney U test for the difference between groups with a p value of 0.05 was considering as significant. Results: We observed a reduction of pain in therapy group (VAS before 3.5 (2/7); after 2.0 (0/5); p=0.001) and also in control group (VAS before 5.1 (2/8); after 4.0 (2/7); p=0.001), but the reduction was significantly more prominent in therapy group (p=0.004). There was a better quality of life in therapy group (WOMAC before 21.35 (4.2/52.1); after 11.45 (0.0/47.9); p=0.001) and also in control group (WOMAC before 25.00 (5.2/60.4); after 20.83 (3.1/55.2); p=0.001), but the score was significantly better in therapy group (p=0.001). Conclusions: Twelve sessions of low-intensity pulsed US has a benefit effect over pain and quality of life in knee OA patients.
    VL  - 3
    IS  - 3
    ER  - 

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Author Information
  • Department of Physical Medicine and Rehabilitation, Faculty of Medicine, Sam Ratulangi University, Manado, Indonesia

  • Department of Physiology, Faculty of Medicine, Hasanuddin University, Makassar, Indonesia

  • Department of Physiology, Faculty of Medicine, Hasanuddin University, Makassar, Indonesia

  • Department of Pathology Anatomy, Faculty of Medicine, Hasanuddin University, Makassar, Indonesia

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