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Published in: Lasers in Medical Science 6/2009

01-11-2009 | Original Article

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

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

Published in: Lasers in Medical Science | Issue 6/2009

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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/cm2, 26.3 mW and 0.63 cm2 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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Metadata
Title
Influence of laser (660 nm) on functional recovery of the sciatic nerve in rats following crushing lesion
Authors
Ana Carulina Guimarães Belchior
Filipe Abdalla dos Reis
Renata Amadei Nicolau
Iandara Schettert Silva
Daniel M. Perreira
Paulo de Tarso Camillo de Carvalho
Publication date
01-11-2009
Publisher
Springer-Verlag
Published in
Lasers in Medical Science / Issue 6/2009
Print ISSN: 0268-8921
Electronic ISSN: 1435-604X
DOI
https://doi.org/10.1007/s10103-008-0642-3

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