Effect of low Power laser in acute spinal cord trauma- Pilot study

Abstract

Objective: To analyze the effects of low intensity laser on the regeneration of cells in the central nervous system after spinal cord injury. Methods: 20 rats Wistars divided into five groups. Was damaged through surgery, the region of T8, exposing the meninges and causing a compressive spinal cord trauma with the fall of a weight of 39 g which compressed the spinal cord. The laser therapy was applied on the size of the wound sutured, for a period of 21 days in two animals per group and the control group X1, X2 4J/cm2 application, application of 10 J/cm2 X3, X4 application of 15 J / cm2 and X5 application of 20 J/cm2) .. Results: Analysis of cells showed that all had 75% of lymphocytes in the acute phase, neutrophils in 75% in the groups X1 and X5, while groups X2 and X3, 25% of inflammatory cells. Conclusion: We found that the application of laser therapy is a noninvasive method that can assist in the resolution of the inflammatory and edematous in spinal cord, preventing major sequelae caused by trauma.