Published: Journal of Pain Research. 2015; 8: 253-256. http://dx.doi.org/10.2147/JPR.S84458
Keyword: GaAIAs semiconductor laser, Oswestry Disability Index, single-level lesion, LLLT
Author(s): "Ip D, Fu N-Y"
Report on the long-term (5-year) prospective follow-up of 50 unselected patients with discogenic back pain confirmed by MRI. Laser therapy (810 nm, 5.4 J per point, 20 mW/cm2) treatments regimen consisting of 3 x /week for 12 weeks. All but one patient improved in Ostwestry Disability Index score and improvement was maintained to 1 year and 5 year follow up.