Photobiomodulation optimization for spinal cord injury rat phantom model

Ali Shuaib, Ali KH H Bourisly

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Spinal Cord Injury (SCI) causes interruption along the severed axonal tract(s) resulting in complete or partial loss of sensation and motor function. SCI can cause tetraplegia or paraplegia. Both these conditions can have lifelong excessive medical costs, as well as can reduce life expectancy. Preclinical research showed that Photobiomodulation therapy (PBMT), also known as Low-level laser (light) therapy (LLLT), possesses reparative and regenerative capabilities that have the potential to be used as a complimentary or supplementary SCI therapy. Despite the promising effects of PBMT, there are still no standardized irradiation parameters (i.e. different wavelengths, power, fluence, irradiance, beam type, beam diameters, and irradiation time) and there is also a lack of standardized experimental protocol(s), which makes it difficult to compare different studies. It is, nonetheless, essential to standardize such irradiation parameters in order to provide better PBMTs. The aim of this study, therefore, is to evaluate the delivery of light in a 3D voxelated SCI rat model for PBMT using different irradiation parameters (wavelengths: 660, 810, and 980 nm; beam types: Gaussian and Flat beam; and beam diameters: 0.04-1.2 cm) using Monte Carlo simulation. This study also AIDS in providing standardization for preclinical research for PBMT, which will eventually translate into clinical standardization upon clinical research studies and results.

Original languageEnglish
Pages (from-to)67-71
Number of pages5
JournalTranslational Neuroscience
Volume9
Issue number1
DOIs
Publication statusPublished - 1 Jan 2018

Keywords

  • irradiation parameters
  • LLLT
  • Low-level light therapy
  • Monte Carlo simulation
  • PBM
  • Photobiomodulation
  • rat model
  • spinal cord injury

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