Document Detail


Electrophysiologic characteristics of tremor in Parkinson?s disease and essential tremor.
MedLine Citation:
PMID:  24760095     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Tremor in essential tremor (ET) and Parkinson's disease (PD) usually present specific electrophysiologic profiles, however amplitude and frequency may have wide variations. Objective: To present the electrophysiologic findings in PD and ET. Method: Patients were assessed at rest, with posture and action. Seventeen patients with ET and 62 with PD were included. PD cases were clustered into three groups: predominant rest tremor; tremor with similar intensity at rest, posture and during kinetic task; and predominant kinetic tremor. Results: Patients with PD presented tremors with average frequency of 5.29±1.18 Hz at rest, 5.79±1.39 Hz with posture and 6.48±1.34 Hz with the kinetic task. Tremor in ET presented with an average frequency of 5.97±1.1 Hz at rest, 6.18±1 Hz with posture and 6.53±1.2 Hz with kinetic task. Seven (41.2%) also showed rest tremor. Conclusion: The tremor analysis alone using the methodology described here, is not sufficient to differentiate tremor in ET and PD.
Authors:
Ederson Cichaczewski; Renato P Munhoz; Joaquim M Maia; Percy Nohama; Edison M Nóvak; Helio A Teive
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Arquivos de neuro-psiquiatria     Volume:  72     ISSN:  1678-4227     ISO Abbreviation:  Arq Neuropsiquiatr     Publication Date:  2014 Apr 
Date Detail:
Created Date:  2014-04-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0125444     Medline TA:  Arq Neuropsiquiatr     Country:  Brazil    
Other Details:
Languages:  eng     Pagination:  301-6     Citation Subset:  IM    
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