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Clinical application and feasibility study of DTI in the evaluation of nerve root injury caused by acute lumbar disc herniation
WANG Qi  FENG Lin  LI Xiaohui  LI Huixia  KONG Jianjun 

Cite this article as: Wang Q, Feng L, Li XH, et al. Clinical application and feasibility study of DTI in the evaluation of nerve root injury caused by acute lumbar disc herniation. Chin J Magn Reson Imaging, 2020, 11(8): 659-662. DOI:10.12015/issn.1674-8034.2020.08.013.


[Abstract] Objective: To explore the clinical application and feasibility of diffusion tensor imaging (DTI) in the evaluation of nerve root injury caused by acute lumbar disc herniation.Materials and Methods: 40 patients with acute lumbar disc herniation treated in our hospital from May 2017 to May 2019 and 40 healthy subjects who took part in the study in the same period were examined by magnetic resonance DTI, and the application value of DTI in the evaluation of nerve injury caused by acute lumbar disc herniation was analyzed.Results: There are no significant difference in fractional anisotropy (FA) value and ADC value between the left and right sides of the healthy control group (P>0.05), and the FA value and ADC value in proximal, middle and distal of the ipsilateral side also have no difference (P>0.05). In patients with unilateral acute lumbar disc herniation, the FA values of the proximal, middle and distal side are lower than those of the healthy side, but the ADC value of the affected side was higher than that of the healthy side (P<0.05), and the FA value of the proximal side is higher than that of the middle and distal side, and that of the proximal ADC value is lower than that of the middle and distal side (P<0.05). The FA value of the middle side is higher than that of the distal side and the ADC value of the middle is lower than that of the distal (P<0.05). There is no significant difference in FA and ADC values among the proximal, middle and distal side of the healthy one.Conclusions: Magnetic resonance DTI can be used to quantitatively analyze the nerve injury in patients with acute lumbar disc herniation, and the FA value decreases and the ADC value increases in patients with acute lumbar disc herniation.
[Keywords] acute lumbar disc herniation；nerve root injury；diffusion tensor imaging；magnetic resonance imaging；quantitative evaluation

WANG Qi Department of Medical Imaging, General Hospital of Jizhong Energy Xingtai Mining Industry Bloc, Xingtai 054000, China

FENG Lin Department of Medical Imaging, General Hospital of Jizhong Energy Xingtai Mining Industry Bloc, Xingtai 054000, China

LI Xiaohui Department of Medical Imaging, General Hospital of Jizhong Energy Xingtai Mining Industry Bloc, Xingtai 054000, China

LI Huixia Department of Medical Imaging, General Hospital of Jizhong Energy Xingtai Mining Industry Bloc, Xingtai 054000, China

KONG Jianjun* Department of Bone Surgery, General Hospital of Jizhong Energy Xingtai Mining Industry Bloc, Xingtai 054000, China

*Corresponding to: Kong JJ, E-mail: kjj2008@126.com

Conflicts of interest   None.

ACKNOWLEDGMENTS  This work was part of 2019 Hebei Medical Science Research Project Plan No. 20191186
Received  2019-11-08
Accepted  2020-06-12
DOI: 10.12015/issn.1674-8034.2020.08.013
Cite this article as: Wang Q, Feng L, Li XH, et al. Clinical application and feasibility study of DTI in the evaluation of nerve root injury caused by acute lumbar disc herniation. Chin J Magn Reson Imaging, 2020, 11(8): 659-662. DOI:10.12015/issn.1674-8034.2020.08.013.

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