Grand Total EEG Score Can Differentiate Parkinson's Disease From Parkinson-Related Disorders

Grand Total EEG Score Can Differentiate Parkinson's Disease From Parkinson-Related Disorders Ela Austria Barcelon1,2*, Takahiko Mukaino1, Jun Yokoyama1, Taira Uehara2, Katsuya Ogata2, Jun-ichi Kira1 and Shozo Tobimatsu2 1Department of Neurology, Neurological Institute, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan2Department of Clinical Neurophysiology, Neurological Institute, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan Background: Semi-quantitative electroencephalogram (EEG) analysis is easy to perform and has been used to differentiate dementias, as well as idiopathic and vascular Parkinson's disease. Purpose: To study whether a semi-quantitative EEG analysis can aid in distinguishing idiopathic Parkinson's disease (IPD) from atypical parkinsonian disorders (APDs), and furthermore, whether it can help to distinguish between APDs. Materials and Methods: A comprehensive retrospective review of charts was performed to include patients with parkinsonian disorders who had at least one EEG recording available. A modified grand total EEG (GTE) score evaluating the posterior background activity, and diffuse and focal slow wave activities was used in further analyses. Results: We analyzed data from 76 patients with a final diagnosis of either IPD, probable corticobasal degeneration (CBD), multiple system atrophy (MSA), or progressive supra-nuclear palsy (PSP). IPD patients had the lowest mean GTE s...
Source: Frontiers in Neurology - Category: Neurology Source Type: research

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