Electroencephalography and Brain MRI Patterns in Encephalopathy

被引:3
|
作者
Wabulya, Angela [1 ]
Lesser, Ronald P. [2 ]
Llinas, Rafael [2 ]
Kaplan, Peter W. [2 ]
机构
[1] Univ N Carolina, Sch Med, Dept Neurol, 170 Manning Dr CB 7025, Chapel Hill, NC 27599 USA
[2] Johns Hopkins Univ, Sch Med, Baltimore, MD USA
关键词
encephalopathy; electroencephalogram; magnetic resonance imaging; white matter; gray matter; DIFFUSE ENCEPHALOPATHIES; EEG; LESIONS;
D O I
10.1177/1550059415590058
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
Introduction. Using electroencephalography (EEG) and histology in patients with diffuse encephalopathy, Gloor et al reported that paroxysmal synchronous discharges (PSDs) on EEG required combined cortical gray (CG) and subcortical gray (SCG) matter pathology, while polymorphic delta activity (PDA) occurred in patients with white matter pathology. In patients with encephalopathy, we compared EEG findings and magnetic resonance imaging (MRI) to determine if MRI reflected similar pathological EEG correlations. Methods. Retrospective case control study of 52 cases with EEG evidence of encephalopathy and 50 controls without evidence of encephalopathy. Review of clinical, EEG and MRI data acquired within 4 days of each other. Results. The most common EEG finding in encephalopathy was background slowing, in 96.1%. We found PSDs in 0% of cases with the combination of CG and SCG abnormalities. Although 13.5% (n = 7) had PSDs on EEG; 3 of these had CG and 4 had SCG abnormalities. A total of 73.1% (38/52) had white matter abnormalitiesof these 28.9% (11/38) had PDA. Conclusion. PSDs were found with either CG or SCG MRI abnormalities and did not require a combination of the two. In agreement with Gloor et al, PDA occurred with white matter MRI abnormalities in the absence of gray matter abnormalities.
引用
收藏
页码:150 / 156
页数:7
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