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Article

Clinical Utility of Extracorporeal Shock Wave Therapy on Hypertrophic Scars of the Hand Caused by Burn Injury: A Prospective, Randomized, Double-Blinded Study

1
Department of Rehabilitation Medicine, Hangang Sacred Heart Hospital, College of Medicine Hallym University, Seoul 07247, Korea
2
Department of Physical Medicine and Rehabilitation, College of Medicine, Soonchunhyang University Hospital, Bucheon 14584, Korea
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
J. Clin. Med. 2020, 9(5), 1376; https://doi.org/10.3390/jcm9051376
Received: 8 April 2020 / Revised: 4 May 2020 / Accepted: 5 May 2020 / Published: 7 May 2020
Postburn hypertrophic scarring is a common complication in burn injuries to the hands, often associated with impaired hand function. We evaluated the effects of extracorporeal shock wave therapy (ESWT), compared to a sham stimulation therapy, on hypertrophic scars of the hand caused by burn injury and investigated its effects on hand function. This was a double-blinded, randomized, controlled trial of 48 patients with a burn to their dominant right hand. The parameters of ESWT were as follows: energy flux density, 0.05–0.30 mJ/mm2; frequency, 4 Hz; 1000 to 2000 impulses per treatment; four treatments, once a week for four weeks. The outcomes measured were as follows: a 10-point visual analogue scale pain score; Vancouver scar scale for scar vascularity, height, pliability and pigmentation; ultrasound measurement of scar thickness; Jebsen−Taylor hand function test; grip strength; Perdue pegboard test; and the Michigan hand outcomes questionnaire. The change in the score from baseline to post-treatment was compared between the two groups. ESWT improved the pain score (p = 0.001), scar thickness (p = 0.018), scar vascularity (p = 0.0015), and improved hand function (simulated card-turning, p = 0.02; picking up small objects, p = 0.004). The other measured outcomes were not different between the two groups. ESWT is effective in decreasing pain, suppressing hypertrophic scarring, and improving hand function. View Full-Text
Keywords: extracorporeal shock wave therapy; hypertrophic scar; burn; hand function extracorporeal shock wave therapy; hypertrophic scar; burn; hand function
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MDPI and ACS Style

Joo, S.Y.; Lee, S.Y.; Cho, Y.S.; Seo, C.H. Clinical Utility of Extracorporeal Shock Wave Therapy on Hypertrophic Scars of the Hand Caused by Burn Injury: A Prospective, Randomized, Double-Blinded Study. J. Clin. Med. 2020, 9, 1376. https://doi.org/10.3390/jcm9051376

AMA Style

Joo SY, Lee SY, Cho YS, Seo CH. Clinical Utility of Extracorporeal Shock Wave Therapy on Hypertrophic Scars of the Hand Caused by Burn Injury: A Prospective, Randomized, Double-Blinded Study. Journal of Clinical Medicine. 2020; 9(5):1376. https://doi.org/10.3390/jcm9051376

Chicago/Turabian Style

Joo, So Y., Seung Y. Lee, Yoon S. Cho, and Cheong H. Seo 2020. "Clinical Utility of Extracorporeal Shock Wave Therapy on Hypertrophic Scars of the Hand Caused by Burn Injury: A Prospective, Randomized, Double-Blinded Study" Journal of Clinical Medicine 9, no. 5: 1376. https://doi.org/10.3390/jcm9051376

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