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Tract-specific magnetization transfer ratio provides insights into the severity of degenerative cervical myelopathy.

作者信息

Haynes Grace, Muhammad Fauziyya, Weber Kenneth A, Khan Ali F, Hameed Sanaa, Shakir Hakeem, Van Hal Michael, Dickson Douglas, Rohan Michael, Dhaher Yasin, Parrish Todd, Ding Lei, Smith Zachary A

机构信息

Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, OK, USA.

Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA.

出版信息

Spinal Cord. 2024 Dec;62(12):700-707. doi: 10.1038/s41393-024-01036-y. Epub 2024 Oct 1.


DOI:10.1038/s41393-024-01036-y
PMID:39354176
Abstract

STUDY DESIGN: Cross-sectional study. OBJECTIVES: This study's goal is to report whether Magnetization Transfer Ratio (MTR) can evaluate the severity of white matter (WM) injury in degenerative cervical myelopathy (DCM). SETTING: Laureate Institute of Brain Research, USA; Department of Neurosurgery, University of Oklahoma Health Sciences Center, USA. METHODS: 27 DCM patients were aged-matched with 20 healthy controls (HC) and categorized into treatment groups based on modified Japanese Orthopedic Association (mJOA) severity (11 mild and 16 moderate/severe). Regional and tract MTRs were extracted from the two vertebral levels containing maximum compression within magnetization transfer images. MTR differences between groups were assessed using a one-way ANOVA or Kruskal-Wallis test. The association between MTR and mJOA measures was evaluated using Spearman's correlation. RESULTS: Significant decreases in MTR were found between HC and moderate/severe groups in the overall (p = 0.0065) and ventral (p = 0.0009) WM regions; and ventral corticospinal (p = 0.0101), ventral reticulospinal (p = 0.0084), spinal lemniscus (p = 0.0079), and fasciculus cuneatus (p = 0.0219) tracts. The spinal lemniscus MTR also significantly decreased between HC and mild groups (p = 0.038). Ventral reticulospinal tract MTR correlated with upper (r = 0.439; p = 0.022) and lower (r = 0.386; p = 0.047) limb motor mJOA scores. CONCLUSIONS: Significant tract-based MTR changes and correlations align with known DCM symptoms, are demonstrated to be lost at the regional level, and display the inhomogeneous compressive damage occurring within DCM spinal cords.

摘要

相似文献

[1]
Tract-specific magnetization transfer ratio provides insights into the severity of degenerative cervical myelopathy.

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[2]
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[3]
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[7]
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[8]
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[9]
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本文引用的文献

[1]
Patterns of cortical thickness alterations in degenerative cervical myelopathy: associations with dexterity and gait dysfunctions.

Brain Commun. 2024-9-4

[2]
Evaluation of the structural integrity of different spinal cord tracts with magnetization transfer ratio in degenerative cervical myelopathy.

Neuroradiology. 2024-5

[3]
Early neurological changes in aging cervical spine: insights from PROMIS mobility assessment.

Geroscience. 2024-6

[4]
Longitudinal analysis of new multiple sclerosis lesions with magnetization transfer and diffusion tensor imaging.

Eur Radiol. 2024-3

[5]
Quantitative evaluation of the spinal cord compression in patients with cervical spondylotic myelopathy using synthetic MRI.

Front Physiol. 2023-4-10

[6]
Isolating Neurologic Deficits in Cervical Spondylotic Myelopathy: A Case-Controlled Study, Using the NIH Toolbox Motor Battery.

Neurol Clin Pract. 2023-4

[7]
Degenerative cervical myelopathy: Where have we been? Where are we now? Where are we going?

Acta Neurochir (Wien). 2023-5

[8]
Degenerative Cervical Myelopathy: Clinical Presentation, Assessment, and Natural History.

J Clin Med. 2021-8-17

[9]
Generic acquisition protocol for quantitative MRI of the spinal cord.

Nat Protoc. 2021-10

[10]
Spinal Cord Anatomy and Localization.

Continuum (Minneap Minn). 2021-2-1

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