Photobiomodulation of the dorsal root ganglion for the treatment of low back pain: a pilot study

Pilot study to investigate treatments for chronic low back pain with three treatment groups: lidocaine injection, radiofrequency treatment and percutaneous photobiomodulation. Laser irradiation caused an immediate decrease in low back pain post-procedure similar to pain reduction caused by lidocaine injection. Both lidocaine injection and laser irradiation were more effective than radiofrequency treatment for immediate and longer term (1 month post-treatment) chronic back pain.

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