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. 2009 Nov;24(6):893-9.
doi: 10.1007/s10103-008-0642-3. Epub 2009 Feb 6.

Influence of laser (660 nm) on functional recovery of the sciatic nerve in rats following crushing lesion

Ana Carulina Guimarães Belchior  1 , Filipe Abdalla dos Reis, Renata Amadei Nicolau, Iandara Schettert Silva, Daniel M Perreira, Paulo de Tarso Camillo de Carvalho
Affiliations

Influence of laser (660 nm) on functional recovery of the sciatic nerve in rats following crushing lesion

Ana Carulina Guimarães Belchior et al. Lasers Med Sci. 2009 Nov.

Abstract

With the aim of accelerating the regenerative processes, the objective was to study the influence of gallium-aluminum-arsenide (GaAlAs) laser (660 nm) on functional and histomorphological recovery of the sciatic nerve in rats. The sciatic nerves of 12 Wistar rats were crushed divided into two groups: control and laser therapy. For the latter, GaAlAs laser was utilized (660 nm, 4 J/cm(2), 26.3 mW and 0.63 cm(2) beam), at three equidistant points on the lesion, for 20 days. Comparison of the sciatic functional index (SFI) showed that there was a significant difference only between the pre-lesion value of the laser therapy group and that after the 21st day in the control group. It was concluded that the parameters and methods utilized demonstrated positive results regarding the SFI over the time period evaluated.

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