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

被引:0
作者
Liu, Jia-Yi [1 ,2 ,3 ,4 ,5 ]
Li, Ya-Jing [6 ]
Cong, Xin-Ying [7 ]
Talifu, Zuliyaer [1 ,2 ,3 ,4 ,5 ]
Zhang, Xin [1 ,2 ,3 ,4 ,5 ]
Gao, Feng [1 ,2 ,3 ,4 ,5 ]
Li, Jian-Jun [1 ,2 ,3 ,4 ,5 ]
机构
[1] Capital Med Univ, Sch Rehabil, Beijing, Peoples R China
[2] China Rehabil Res Ctr, Dept Spinal & Neural Funct Reconstruct, Beijing, Peoples R China
[3] China Rehabil Sci Inst, Beijing, Peoples R China
[4] Beijing Key Lab Neural Injury & Rehabil, Beijing, Peoples R China
[5] Beijing Inst Brain Disorders, Ctr Neural Injury & Repair, Beijing, Peoples R China
[6] Shanghai Huashan Hosp, Rehabil Dept, Shanghai, Peoples R China
[7] China Rehabil Res Ctr, Dept Med Imaging, Beijing, Peoples R China
基金
中国国家自然科学基金;
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; MAGNETIC-RESONANCE-SPECTROSCOPY; NEUROPATHIC PAIN; NEUROINFLAMMATION; INDIVIDUALS; PREDICT; CORTEX; IMPACT;
D O I
10.4103/1673-5374.350216
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
Spinal cord injury is a severe and devastating disease, and spasticity is a common and severe complication that is notoriously refractory to treatment. However, the pathophysiological mechanisms underlying spasticity and its development remain largely unknown. The 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 status. Thirty-six participants were recruited for magnetic resonance spectroscopic examination: 23 with spinal cord injury (12 with spasticity and 11 without spasticity) and 13 healthy controls. We acquired localized proton spectra from the precentral gyrus and basal ganglia via 10 mm(3) voxels. Notably, 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 scores. Additionally, longer durations of injury were associated with higher N-acetylaspartate levels in the precentral gyrus. Compared 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 ganglia. Lower N-acetylaspartate levels also correlated with greater sensory and motor dysfunction in the patients who had spinal cord injury with spasticity.
引用
收藏
页码:582 / 586
页数:5
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