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Title of Journal: Eur Radiol

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Abbravation: European Radiology

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Springer Berlin Heidelberg

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DOI

10.1007/s00216-002-1309-8

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1432-1084

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Restingstate fMRI revealed different brain activi

Authors: Qirui Zhang Fang Yang Zheng Hu Zhiqiang Zhang Qiang Xu Mantini Dante Han Wu Zhipeng Li Qian Li Kai Li Guangming Lu
Publish Date: 2016/08/23
Volume: 27, Issue: 5, Pages: 2137-2145
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Abstract

Fiftyseven patients with BECTS underwent restingstate fMRI scans after receiving either valproic acid VPA n = 15 levetiracetam LEV n = 21 or no medication n = 21 fMRI regional homogeneity ReHo parameter among the three groups of patients were compared and were correlated with total doses of AED in the two medicated groupsCompared with patients on nomedication patients receiving either VPA or LEV showed decreased ReHo in the centraltemporal region frontal cortex and thalamus In particular the VPA group showed greater ReHo decrease in the thalamus and milder in cortices and caudate heads compared with the LEV group In addition the VPA group demonstrated a negative correlation between ReHo values in the centraltemporal region and medication doseBoth VPA and LEV inhibit restingstate neural activity in the centraltemporal region which is the main epileptogenic focus of BECTS VPA reduced brain activity in the cortical epileptogenic regions and thalamus evenly whereas LEV reduced brain activity predominantly in the cortices Interestingly VPA showed a cumulative effect on inhibiting brain activity in the epileptogenic regions in BECTS

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