Abstract:Objective To investigate the feasibility and clinical value of magnetic resonance diffusion tensor imaging (DTI) in judging
the responsible nerve roots of lumbar disc herniation (LDH). Methods From January 2021 to April 2022, 64 patients with lumbar
disc herniation who met the inclusion and exclusion criteria were selected as the experimental group (384 nerve roots in total), and 10
healthy volunteers were randomly selected as the control group (60 nerve roots in total). All subjects were scanned with conventional
MRI and DTI sequences using a 1.5 T magnetic resonance scanner, and the average fractional anisotropy (FA) values of bilateral L4,
L5 and S1 nerve roots were measured, to evaluate the consistency and difference between routine MRI and DTI and clinical signs in
determining the responsible nerve root. Results The FA values of responsible nerve roots in L4, L5 and S1 were significantly different
from those in healthy side and bilateral nerve roots in control group (P<0.05). There was no significant difference in FA values
between the healthy side of the experimental group and the bilateral nerve roots of the control group at the same segment (P>0.05).
The consistency between routine MRI and clinical judgment was medium (Kappa=0.473, P<0.05). The consistency between DTI
judgment of responsible nerve root and clinical judgment was good (Kappa=0.797, P<0.05). The results showed that the area under
the curve, sensitivity, specificity, positive predictive value and negative predictive value of DTI were better than conventional MRI.
Conclusion The application of magnetic resonance DTI technology can more accurately identify and judge the responsible nerve
roots, which has more advantages than conventional MRI, and can provide greater help for clinical formulation of personalized and
accurate treatment plan.
李晖,栾海,殷庆龙,雷舟杰,王春生. 磁共振DTI技术在判断腰椎间盘突出症责任神经根中的应用价值[J]. 中国医疗设备, 2022, 37(11): 94-98.
LI Hui, LUAN Hai, YIN Qinglong, LEI Zhoujie, WANG Chunsheng. Application Value of Magnetic Resonance DTI in Diagnosing Responsible Nerve Root of
Lumbar Disc Herniation. China Medical Devices, 2022, 37(11): 94-98.