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Related Experiment Videos

Orthostatic tremor: essential and symptomatic cases.

A S Gabellini1, P Martinelli, M R Gullì

  • 1Institute of Neurology, University of Bologna, Italy.

Acta Neurologica Scandinavica
|February 1, 1990
PubMed
Summary

Orthostatic tremor (OT) causes leg and trunk shaking when standing. In most cases, the cause is unknown, but some patients develop OT secondary to other neurological conditions, suggesting a link to essential tremor (ET).

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Area of Science:

  • Neurology
  • Movement Disorders

Background:

  • Orthostatic tremor (OT) is an uncommon movement disorder characterized by tremor in the legs and trunk during the standing position.
  • The etiology of OT remains largely unknown in many cases.

Purpose of the Study:

  • To investigate the clinical and electrophysiological characteristics of orthostatic tremor.
  • To explore potential causes and associated conditions of OT.

Main Methods:

  • Clinical assessment of 8 patients with orthostatic tremor.
  • Electrophysiological studies were performed on the affected patients.

Main Results:

  • In 6 out of 8 patients, no specific cause for OT was identified.
  • In 2 patients, OT was secondary to hydrocephalus (from non-tumoral aqueduct stenosis) and chronic relapsing polyradiculoneuropathy.

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  • Findings suggest a potential relationship between orthostatic tremor and essential tremor.

    • Conclusions:

    • Orthostatic tremor can be idiopathic or secondary to underlying neurological diseases.
    • The study highlights a possible association between orthostatic tremor and essential tremor, warranting further investigation.