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[Essential tremor. Clinical observations]

J S Pereira1, M L Pimentel, D H Nicaretta

  • 1Serviço de Neurologia, Hospital Universitário Pedro Ernesto, Rio de Janeiro, Brasil.

Arquivos De Neuro-Psiquiatria
|September 1, 1993
PubMed
Summary
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Essential tremor affects over 5th decade individuals, with hand tremor being most common. Familial history is noted in over a third of patients, particularly in females and white individuals.

Area of Science:

  • Neurology
  • Epidemiology

Background:

  • Essential tremor (ET) is a common neurological disorder.
  • Understanding its clinical and epidemiological features is crucial for diagnosis and management.

Purpose of the Study:

  • To investigate the clinical and epidemiological characteristics of essential tremor in a cohort of 53 patients.
  • To identify demographic patterns, familial aggregation, age of onset, and tremor topography.

Main Methods:

  • Retrospective analysis of 53 patients diagnosed with essential tremor.
  • Data collection included patient demographics, family history, age of onset, and tremor location.

Main Results:

  • A familial history of essential tremor was reported in 37.70% of cases.

Related Experiment Videos

  • The disorder predominantly affected individuals beyond the 5th decade, with peak incidence in the 6th and 7th decades.
  • Hand tremor was the most prevalent symptom (96.20%), frequently associated with other tremor types like head (28.30%) and voice (16.99%).

    • Conclusions:

    • Essential tremor exhibits a significant familial component and primarily affects older adults.
    • Hand tremor is the hallmark symptom, often co-occurring with other focal tremors.