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What is the prospect of transcutaneous transmission of 980nm photobiomodulation therapy light to the spinal canal?
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Paper Abstract

The clinical prospect of treating spinal cord injury by photobiomodulation therapy (PBMT) is unclear as the spinal dosimetry of transcutaneous laser application is unknown, yet essential for clinical recommendations. Light irradiances at 9 sites over an 8cm length along the thoracic to lumbar segment of the spinal canal were measured in 6 cadaver dogs using a flexible intra-spinal probe, under a surface irradiance of 3.14W/cm2. The skin transmits 4-12% of 980nm PBMT light. On-contact technique is ~5 times more efficient than off-contact technique. Transcutaneous transmission of photobiomodulatory irradiance to the spinal canal will benefit from contact-probe technique and skin-clearing approaches.

Paper Details

Date Published: 7 March 2019
PDF: 9 pages
Proc. SPIE 10861, Mechanisms of Photobiomodulation Therapy XIV, 108610N (7 March 2019); doi: 10.1117/12.2506435
Show Author Affiliations
Daqing Piao, Oklahoma State Univ. (United States)
Lara A. Sypniewski, Oklahoma State Univ. (United States)
Danielle Dugut, Oklahoma State Univ. (United States)
Christian Bailey, Oklahoma State Univ. (United States)
Luis DeTaboada, LiteCure, LLC (United States)
Daniel J. Burba, Oklahoma State Univ. (United States)

Published in SPIE Proceedings Vol. 10861:
Mechanisms of Photobiomodulation Therapy XIV
Michael R. Hamblin; James D. Carroll; Praveen Arany, Editor(s)

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