Biological non-ablative repair of lumbar discs by transforaminal intradiscal laser irradiation: MRI quantitative analysi
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ORIGINAL ARTICLE
Biological non-ablative repair of lumbar discs by transforaminal intradiscal laser irradiation: MRI quantitative analysis of the effects—preliminary report Igor Borshchenko 1,2
&
Emil Sobol 3 & Anatoly Shekhter 4 & Andrey Baskov 2 & Andrey Grin 1 & Maria Borshchenko 4
Received: 26 May 2020 / Accepted: 8 November 2020 # Springer-Verlag London Ltd., part of Springer Nature 2020
Abstract Degenerative disc disease is a significant reason for low back pain. Low-level laser irradiation (LLLI) of cartilage results in its reshaping and combines with regenerative reaction. A certain pattern of lumbar disc irradiation induces healing reaction and formation of new cartilage. Quantitative MRI analysis of regenerative response of the cartilage is the subject of this investigation. Fifty-one lumbar discs of 28 patients with discogenic low back pain underwent irradiation with 1.56-μm Er fiber laser (1.2 W). Quantitative MRI analysis is performed in STIR regime within 0.93–14.80 months. Signal intensity is estimated from irradiated discs and control measured from adjacent non-irradiated discs and vertebral bones. T2 WI follow-up is performed within a long period (up to 5 years) in selected cases. The mean value of MRI signal intensity from the irradiated discs increased by 14% (p
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