Multiple sclerosis and related disorders · 2018
Disruption of blood-brain barrier integrity associated with brain lesions in Chinese neuromyelitis optica spectrum disorder patients.
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You Xiaofan, Yan Lirong, Li Xin, Pang Ying, Guo Xiaolei, Ye Jing, Hu Hongtao
Аннотация
OBJECTIVE: The aims of this study were to report brain characteristic abnormalities and to evaluate the relationship of blood-brain barrier (BBB) disruption and brain lesions in Chinese patients with NMOSD.
METHODS: Brain magnetic resonance imaging characteristics and cerebrospinal fluid (CSF) laboratory tests of 121 patients with NMOSD at acute attack were reviewed retrospectively. Qalb (CSF albumin/serum albumin) was used for assessment of disruption of BBB.
RESULTS: Brain MRI abnormalities were observed in 36.4% (44/121) of the NMOSD patients. Thirty patients (25%) showed typical-NMOSD abnormalities, including dorsal medulla lesions (n = 16, 13.2%), brainstem/cerebellum (n = 11, 9.1%), thalamus/hypothalamus (n = 3, 2.5%), periventricular white matter lesions (n = 4, 3.3%) hemispheric white matter (n = 4, 3.3%). Twenty-five patients (20.7%) had nonspecific lesions. Compared to the NMOSD patients without brain lesion, the proportion of patients who had abnormal BBB permeability was significantly higher in the abnormal brain MRI group (47.7% vs. 27.3%, P < 0.05). BBB permeability was not correlated to distribution of brain lesions or enhancement lesions. Qalb was associated with higher Expanded Disability Status Scale scores (r = 0.689, P < 0.05).
CONCLUSIONS: Brain lesions are common in NMOSD patients. Marker of BBB permeability is associated with brain lesion and EDSS scores of NMOSD.
METHODS: Brain magnetic resonance imaging characteristics and cerebrospinal fluid (CSF) laboratory tests of 121 patients with NMOSD at acute attack were reviewed retrospectively. Qalb (CSF albumin/serum albumin) was used for assessment of disruption of BBB.
RESULTS: Brain MRI abnormalities were observed in 36.4% (44/121) of the NMOSD patients. Thirty patients (25%) showed typical-NMOSD abnormalities, including dorsal medulla lesions (n = 16, 13.2%), brainstem/cerebellum (n = 11, 9.1%), thalamus/hypothalamus (n = 3, 2.5%), periventricular white matter lesions (n = 4, 3.3%) hemispheric white matter (n = 4, 3.3%). Twenty-five patients (20.7%) had nonspecific lesions. Compared to the NMOSD patients without brain lesion, the proportion of patients who had abnormal BBB permeability was significantly higher in the abnormal brain MRI group (47.7% vs. 27.3%, P < 0.05). BBB permeability was not correlated to distribution of brain lesions or enhancement lesions. Qalb was associated with higher Expanded Disability Status Scale scores (r = 0.689, P < 0.05).
CONCLUSIONS: Brain lesions are common in NMOSD patients. Marker of BBB permeability is associated with brain lesion and EDSS scores of NMOSD.