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Gait abnormality in essential tremor

C Singer1, J Sanchez-Ramos, W J Weiner

  • 1Department of Neurology, University of Miami School of Medicine, Florida.

Movement Disorders : Official Journal of the Movement Disorder Society
|March 1, 1994
PubMed
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Essential tremor (ET) patients frequently show abnormal tandem gait, even with normal walking. This suggests underlying cerebellar dysfunction may contribute to essential tremor pathophysiology.

Area of Science:

  • Neurology
  • Movement Disorders
  • Neuroscience

Background:

  • Essential tremor (ET) is often considered a monosymptomatic disorder.
  • Gait abnormalities are rarely reported in essential tremor patients.
  • Tandem gait abnormalities may be present in ET patients with normal standard gait.

Purpose of the Study:

  • To investigate the prevalence of gait disorders in essential tremor patients.
  • To determine if tandem gait abnormalities are more common in ET.
  • To explore potential links between tandem gait and ET pathophysiology.

Main Methods:

  • Evaluated gait and tandem gait in 36 consecutive essential tremor patients (mean age 69).
  • Utilized a tremor rating scale for amplitude, location, and disability.

Related Experiment Videos

  • Compared ET patient findings to 40 age-matched controls.

    • Main Results:

    • 50% of ET patients (18/36) exhibited tandem gait abnormalities with normal narrow-based gait.
    • This contrasts with 28% of controls (11/40) (p < 0.05).
    • Tandem gait issues were more common in older ET patients and those with longer disease duration (>5 years).

    Conclusions:

    • Essential tremor patients frequently present with tandem gait abnormalities.
    • The findings suggest potential cerebellar dysfunction in essential tremor.
    • Tandem gait assessment may offer insights into ET pathophysiology.