The Effect of Four Weeks Low-Power Laser Irradiation(660 nm) on Thermal Hyperalgesia in the Model of Spinal Cord Injury Induced in Adult Male Rats

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Yousefi Afrashteh S; HOJATI V.; NASIRINEZHAD F.; RAMAZANI F.; VAEZI G.; JANZADEH A.

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Journal: JOURNAL OF ILAM UNIVERSITY OF MEDICAL SCIENCES Year:2019 | Volume:27 | Issue:3 Page(s): 74-80

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Title

The Effect of Four Weeks Low-Power Laser Irradiation(660 nm) on Thermal Hyperalgesia in the Model of Spinal Cord Injury Induced in Adult Male Rats

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Keywords

Spinal Cord InjuryQ1

Low Level LaserQ1

Neuropathic PainQ1

Heat hyperalgesiaQ1

Abstract

Introduction: Spinal Cord Injury is one of the important unresolved problems in the medical society leading to adverse consequences, such as motionlessness and Neuropathic Pain. Neuropathic Pain is seen in both forms of hyperalgesia and allodynia. In this study, the effects of low-level laser radiation on hyperalgesia pain have been investigated. Material & Methods: In this experimental study, animals (N=16) were divided into two groups(i. e., Spinal Cord Injury and laser treatment). Aneurysm clip was used to induce Spinal Cord Injury. Half an hour after the induction of Spinal Cord Injury, animals were exposed to laser for 45 seconds every day up to four weeks. At the end of each week, the animals underwent a heat-hyperalgesia test. The results were analyzed in Prism software, version 6. The value of P <0. 05 was considered significant. Findings: Surgery of the induced Spinal Cord Injury reduced threshold of hyperalgesia pain, compared to the control group (P<0. 001). Low-level laser radiation for four weeks increased the pain threshold so that the pain proved equal to the control group and there was a significant difference between treated and spinal cord injured animals (P<0. 001). Ethics code: IR. IUMS. REC 1395. 95-03-30-26896 Discussion & Conclusions: Using a low-level laser as an anti-inflammatory agent in the first line treatment can be useful in controlling injury side effects shortly after a Spinal Cord Injury; moreover, it can reduce the pain and inflammation caused by Spinal Cord Injury.

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APA: Copy

Yousefi Afrashteh, S, HOJATI, V., NASIRINEZHAD, F., RAMAZANI, F., VAEZI, G., & JANZADEH, A.. (2019). The Effect of Four Weeks Low-Power Laser Irradiation(660 nm) on Thermal Hyperalgesia in the Model of Spinal Cord Injury Induced in Adult Male Rats. JOURNAL OF ILAM UNIVERSITY OF MEDICAL SCIENCES, 27(3 ), 74-80. SID. https://sid.ir/paper/406945/en

Vancouver: Copy

Yousefi Afrashteh S, HOJATI V., NASIRINEZHAD F., RAMAZANI F., VAEZI G., JANZADEH A.. The Effect of Four Weeks Low-Power Laser Irradiation(660 nm) on Thermal Hyperalgesia in the Model of Spinal Cord Injury Induced in Adult Male Rats. JOURNAL OF ILAM UNIVERSITY OF MEDICAL SCIENCES[Internet]. 2019;27(3 ):74-80. Available from: https://sid.ir/paper/406945/en

IEEE: Copy

S Yousefi Afrashteh, V. HOJATI, F. NASIRINEZHAD, F. RAMAZANI, G. VAEZI, and A. JANZADEH, “The Effect of Four Weeks Low-Power Laser Irradiation(660 nm) on Thermal Hyperalgesia in the Model of Spinal Cord Injury Induced in Adult Male Rats,” JOURNAL OF ILAM UNIVERSITY OF MEDICAL SCIENCES, vol. 27, no. 3 , pp. 74–80, 2019, [Online]. Available: https://sid.ir/paper/406945/en

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