Comparative study of Low-level laser therapy and microcurrent on the healing of skin burns in rats

Autores/as

  • Rodrigo Pegado de Abreu Freitas Universidade Federal do Rio Grande do Norte Autor/a
  • Aline Barbosa Macedo Universidade Potiguar Autor/a
  • Anderson Rodrigues de Oliveira Universidade Potiguar Autor/a
  • Ana Maria de Oliveira Ramos Universidade Federal do Rio Grande do Norte Autor/a
  • Wouber Hérickson de Brito Vieira Universidade Federal do Rio Grande do Norte Autor/a

DOI:

https://doi.org/10.4025/actascihealthsci.v36i1.14668

Palabras clave:

low-level laser therapy, electric stimulation therapy, wound healing

Resumen

http://dx.doi.org/10.4025/actascihealthsci.v36i1.14668

This study investigated and compared the effects of low-level laser therapy (LLLT) and microcurrent in the burn healing process in Wistar rats. We conducted a randomized controlled study with 30 rats divided into 3 groups (n = 10); control group (CG), laser group (LG) and microcurrent group (MG). After thermal damage, 10 applications of 660 nm diode laser were performed in GL and 10 applications of 60 Hz microcurrent (160 μA) in MG. The semi-quantitative histological analysis was done using scores (0–3), in sections stained by hematoxylin and eosin and Masson’s trichrome. The results indicated a significant improvement in the fibroblasts proliferation, collagen fibers deposition, neoangiogenesis, and cutaneous appendages regeneration in MG and LG. When microcurrent and LLLT were compared, no difference was detected, except the regeneration and formation of new cutaneous appendages, observed in MG. Despite the similar effects, GM showed faster tissue repair with the formation of skin appendages.

 

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Biografía del autor/a

  • Rodrigo Pegado de Abreu Freitas, Universidade Federal do Rio Grande do Norte
    Fisioterapeuta, Mestre e doutorando em Psicobiologia. Professor assistente do curso de fisioterapia da UFRN.
  • Aline Barbosa Macedo, Universidade Potiguar
    Fisioterapeuta, Mestranda em Fisioterapia.
  • Anderson Rodrigues de Oliveira, Universidade Potiguar
    Fisioterapeuta, Especialista em fisioterapia em traumatologia e ortopedia.
  • Ana Maria de Oliveira Ramos, Universidade Federal do Rio Grande do Norte
    Médica patologista, Profa. Dra. da Pós Graduação em Ciências da Saúde da UFRN.
  • Wouber Hérickson de Brito Vieira, Universidade Federal do Rio Grande do Norte
    Fisioterapeuta, doutor em fisioterapia. Prof. do departamento de fisioterapia- UFRN.

Publicado

2014-03-06

Número

Sección

Ciências da Saúde

Cómo citar

Freitas, R. P. de A., Macedo, A. B., Oliveira, A. R. de, Ramos, A. M. de O., & Vieira, W. H. de B. (2014). Comparative study of Low-level laser therapy and microcurrent on the healing of skin burns in rats. Acta Scientiarum. Health Sciences, 36(1), 5-10. https://doi.org/10.4025/actascihealthsci.v36i1.14668

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