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Low-level laser therapy in the treatment of pressure ulcers: systematic review

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Abstract

The aim of this study was to evaluate the effects of low-level laser therapy (LLT) in pressure ulcers (PU) in humans through a systematic review of randomized studies. The search includes the databases MEDLINE, PEDro, Cochrane CENTRAL, and Lilacs, as well a manual search until May, 2016. This included randomized clinical trials of LLT compared with other interventions, different types of LLT, LLT placebo, or control in the treatment of PU. The outcomes evaluated were the ulcer area, healing rate, and overall healing rate. The risk of bias was evaluated using the tool of the Cochrane Collaboration, and the results were analyzed descriptively. From the 386 articles identified, only four studies were included, with two LLT used with single wavelength (1: 904 nm vs. control and 2: 940 nm vs. 808 nm vs. 658 nm vs. placebo) and two LLT used to probe cluster. One study compared to different single wavelengths showed a significant 71% reduction of the PU and an improved healing rate in which 47% of PU healed completely after 1 month of therapy with the use of LLT with a wavelength of 658 nm compared with other lengths. The other analyzed wavelengths were not significant in the assessed outcomes. Significant results were observed in the use of LLT with a 658 nm wavelength, and no evidence was found for use of wavelengths above that for the treatment of PU. Therefore, we also found no evidence in the laser used to probe the cluster.

Registration number: CRD42016036648.

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Authors and Affiliations

  1. Posgraduate Program Ciências do Movimento Humano of Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil

    Renata Saltiel Machado & Graciele Sbruzzi

  2. Porto Alegre, RS, Brazil

    Suane Viana

Authors
  1. Renata Saltiel Machado
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  2. Suane Viana
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  3. Graciele Sbruzzi
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Correspondence to Graciele Sbruzzi.

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The authors declare that they have no competing interests.

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The study did not have funding source.

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Since this study is a systematic review, it was not necessary to have an approval from the ethics committee and informed consent.

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Machado, R.S., Viana, S. & Sbruzzi, G. Low-level laser therapy in the treatment of pressure ulcers: systematic review. Lasers Med Sci 32, 937–944 (2017). https://doi.org/10.1007/s10103-017-2150-9

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  • DOI: https://doi.org/10.1007/s10103-017-2150-9

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