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Tremor in dystonia.

Sanjay Pandey1, Neelav Sarma1

  • 1Govind Ballabh Pant Postgraduate Institute of Medical Education and Research, JLN Marg, New Delhi, 110002, India.

Parkinsonism & Related Disorders
|April 11, 2016
PubMed
Summary
This summary is machine-generated.

Tremor is a key feature in dystonia, presenting as dystonic tremor or tremor associated with dystonia. Differentiating dystonic tremor from essential tremor is crucial for effective treatment strategies.

Keywords:
DystoniaEssential tremorNeurophysiology

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Area of Science:

  • Neurology
  • Movement Disorders

Background:

  • Tremor is a recognized clinical manifestation in dystonia.
  • Tremor in dystonia can affect affected body parts (dystonic tremor) or unaffected regions (tremor associated with dystonia).
  • Postural and kinetic tremors are common in dystonia, potentially causing confusion with familial essential tremor.

Purpose of the Study:

  • To elucidate the characteristics and diagnostic challenges of tremor in dystonia.
  • To explore the neurophysiological distinctions between dystonic tremor and essential tremor.
  • To outline current and potential treatment modalities for tremor in dystonia.

Main Methods:

  • Review of clinical features and diagnostic criteria for dystonia and tremor.
  • Comparison of neurophysiological characteristics of dystonic tremor and essential tremor.
  • Analysis of treatment outcomes for various interventions.

Main Results:

  • Tremor in dystonia shares neurophysiological similarities with dystonia, aiding differentiation from essential tremor.
  • Diagnostic uncertainties can arise due to overlapping symptoms between dystonia and essential tremor.
  • Treatment varies by tremor location: oral therapy for hand tremor, botulinum toxin injections for head, jaw, and voice tremors.

Conclusions:

  • Tremor is an integral component of dystonia with distinct clinical and neurophysiological profiles.
  • Accurate diagnosis is essential for appropriate management of tremor in dystonia.
  • A multi-modal treatment approach, including pharmacological, toxin-based, and neurosurgical options, is indicated for tremor in dystonia.