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Association between brain N-acetylaspartate levels and sensory and motor dysfunction in patients who have spinal cord injury with spasticity:an observational case-control study

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Neural Regeneration Research 2023年第3期18卷 582-586页

作者： Jia-Yi Liu Ya-Jing Li Xin-Ying Cong Zuliyaer Talifu Xin Zhang Feng Gao Jian-Jun Li School of Rehabilitation Capital Medical UniversityBeijingChina Department of Spinal and Neural Function Reconstruction China Rehabilitation Research CenterBeijingChina China Rehabilitation Science Institute BeijingChina Beijing Key Laboratory of Neural Injury and Rehabilitation BeijingChina Center of Neural Injury and Repair Beijing Institute for Brain DisordersBeijingChina Rehabilitation Department Shanghai Huashan HospitalShanghaiChina Department of Medical Imaging China Rehabilitation Research CenterBeijingChina

Spinal cord injury is a severe and devastating disease,and spasticity is a common and severe complication that is notoriously refractory to ***,the pathophysiological mechanisms underlying spasticity and its development remain largely *** goal of the present study was to find differences,if any,in metabolites of the left precentral gyrus and basal ganglia of patients who have spinal cord injury with or without spasticity,and to explore the relationship between the brain metabolite concentrations and clinical ***-six participants were recruited for magnetic resonance spectroscopic examination:23 with spinal cord injury(12 with spasticity and 11 without spasticity)and 13 healthy *** acquired localized proton spectra from the precentral gyrus and basal ganglia via 10 mm^(3) ***,univariate linear regression analysis demonstrated that the lower that the N-acetylaspartate concentration(a marker for neuronal loss)was in the precentral gyrus of the patients,the lower their asia(American Spinal Injury Association)light-touch scores,pinprick scores,and motor ***,longer durations of injury were associated with higher N-acetylaspartate levels in the precentral *** with the healthy participants and patients without spasticity,N-acetylaspartate levels in the patients with spasticity were significantly lower in both the precentral gyrus and basal *** N-acetylaspartate levels also correlated with greater sensory and motor dysfunction in the patients who had spinal cord injury with spasticity.

关键词： asia motor score asia sensory score basal ganglia central nervous system duration of injury magnetic resonance spectroscopy N-acetylaspartate precentral gyrus spasticity spinal cord injury

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