Electrophysiologic characteristics of tremor in Parkinson's disease and essential tremor

被引：8

作者：

Cichaczewski, Ederson ^{[1
]}

Munhoz, Renato P. ^{[2
]}

Maia, Joaquim M. ^{[1
]}

Nohama, Percy ^{[1
]}

Novak, Edison M. ^{[3
]}

Teive, Helio A. ^{[3
]}

机构：

[1] Univ Tecnol Fed Parana, Programa Posgrad Engn Eletr & Informat Ind, Curitiba, PR, Brazil

[2] Assoc Paranaense Portadores Parkinsonismo, Curitiba, PR, Brazil

[3] Univ Fed Parana, Hosp Clin, Dept Med Interna, Dept Neurol, BR-80060000 Curitiba, PR, Brazil

来源：

ARQUIVOS DE NEURO-PSIQUIATRIA | 2014年 / 72卷 / 04期

关键词：

Parkinson's disease; essential tremor; tremor; DIAGNOSIS;

D O I：

10.1590/0004-282X20140006

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

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.

引用

页码：301 / 306

页数：6

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