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Related Experiment Videos

Post-traumatic cervical dystonia: a distinct entity?

A Samii1, P K Pal, M Schulzer

  • 1Neurodegenerative Disorders Centre, Vancouver Hospital and Health Sciences Centre, British Columbia, Canada.

The Canadian Journal of Neurological Sciences. Le Journal Canadien Des Sciences Neurologiques
|February 17, 2000
PubMed
Summary
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Cervical dystonia (CD) patients with and without a history of head/neck trauma show similar clinical features. Trauma may be a trigger, suggested by trends toward earlier onset in injured patients.

Area of Science:

  • Neurology
  • Clinical Medicine

Background:

  • Cervical dystonia (CD) is a neurological movement disorder.
  • Head/neck trauma precedes CD in 5-21% of cases.
  • Limited data exists comparing CD with and without trauma history.

Purpose of the Study:

  • To compare clinical characteristics of idiopathic CD (CD-I) and trauma-precipitated CD (CD-T).

Main Methods:

  • 114 consecutive CD patients were evaluated.
  • Detailed questionnaires and neurological examinations were used.
  • Clinical charts were reviewed.

Main Results:

  • 12% of patients reported preceding mild head/neck injury.
  • CD-I and CD-T groups showed similar gender distribution, family history, gestes antagonistes, and botulinum toxin response.

Related Experiment Videos

  • CD-T showed trends toward earlier onset, higher neck pain, head tremor, and additional dystonia locations.

    • Conclusions:

    • Idiopathic and trauma-precipitated cervical dystonia are clinically similar.
    • Trauma may be a triggering factor for CD, evidenced by non-significant trends in earlier onset.