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Can intractable discogenic back pain be managed by low-level laser therapy without recourse to operative intervention?

Authors Ip D, Fu N

Received 12 March 2015

Accepted for publication 4 May 2015

Published 26 May 2015 Volume 2015:8 Pages 253—256

DOI https://doi.org/10.2147/JPR.S84458

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 3


David Ip, Nga-Yue Fu

Asia Medical Pain Centre, Mong Kok, Hong Kong, People's Republic of China

Objective: The aim of the study reported here was to investigate the possible clinical role of low-level laser therapy (LLLT) in discogenic back pain patients who failed to respond to a conventional physical therapy program to avoid recourse to operative intervention.
Methods: The paper reports on the long-term mean 5-year prospective follow-up of a patient cohort of 50 unselected patients visiting our tertiary referral pain center for discogenic back pain who had had a single-level lesion documented by magnetic resonance imaging followed by subsequent discography to confirm the affected disc being the pain generator. All of the patients who entered the study had failed response to a combination of nonsteroidal anti-inflammatory agents and had had not less than 3 months of conventional physical therapy. LLLT, at a wavelength of 810 nm wavelength emitted from a GaAIAs semiconductor laser device with 5.4 J per point and a power density of 20 mW/cm2, was employed. The treatment regimen consisted of three sessions of treatment per week for 12 consecutive weeks.
Results: All but one patient had significant improvement in their Oswestry Disability Index score, from a mean of 50% score to a mean of 10% score, at the end of treatment at 12 weeks. In addition, surprisingly, the improvement was found maintained at follow-up assessments 1 year and 5 years later. The one patient among the 50 patients who failed to respond eventually required surgery, while the others did not require surgery.
Conclusion: We conclude that LLLT is a viable option in the conservative treatment of discogenic back pain, with a positive clinical result of more than 90% efficacy, not only in the short-term but also in the long-term, with lasting benefits.

Keywords: GaAIAs semiconductor laser, Oswestry Disability Index, single-level lesion, LLLT

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