Purpose: Analyze the influence of low-intensity laser therapy in the sciatic nerve regeneration of rats submitted to controlled crush through histological analysis. Methods: Were used 20 Wistar rats, to analyze the influence of low-intensity laser therapy in the sciatic nerve regeneration, where the injury of the type axonotmesis was induced by a haemostatic clamp Crile (2nd level of the rack). The animals were randomly distributed in 2 groups. Control group (CG n = 10) and Laser group (LG n = 10). These were subdivided in 2 subgroups each, according to the euthanasia period: (CG14 -n = 5 and CG21 -n = 5) and (LG14 -n = 5 and LG21 -n = 5). At the end of treatment, the samples were removed and prepared for histological analysis, where were analyzed and quantified the following findings: Schwann cells, myelinic axons with large diameter and neurons. Results: In the groups submitted to low-intensity laser therapy, were observed an increase in the number of all analyzed aspects with significance level. Conclusion: The irradiation with low intensity laser (904nm) influenced positively the regeneration of the sciatic nerve in Wistar rats after being injured by crush (axonotmesis), becoming the nerve recovery more rapid and efficient.
Childbirth is a social and cultural phenomenon which has faced drastic changes from twentieth century as a shift to a gynecological position and an episiotomy routine. Fascia represents "the philosophy of the body" and any pathologic alteration in that tissue will affect the whole body. This study aims to verify the relation between episiotomy and osteomioarticular symptoms. 60 women who participated in this study were divided equally into two groups: group I (vaginal delivery with episiotomy) and group II (vaginal delivery without episiotomy). To assess them, we used an Initial assessment form and a Nordic Musculoskeletal Questionnaire. The data were analyzed with the Spearman Correlation Test and t Student Test for independent samples with a statistical significance of p≤0,05. Based on the results of the study, 60% women from group I related low back repercussions during the last year, while 53% women from group I related hip/lower limbs repercussions during the last week. Level of pain and musculoskeletal complaints prevailed in group I, as well. We concluded that there is a high prevalence of osteomioarticular symptoms in women who had episiotomy in her deliveries.
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