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Extrapyramidal involvement in Rett's syndrome.

P M FitzGerald1, J Jankovic, D G Glaze

  • 1Department of Neurology, Baylor College of Medicine, Houston, TX 77030.

Neurology
|February 1, 1990
PubMed
Summary
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This study characterizes extrapyramidal dysfunction in Rett syndrome, revealing age-related motor disturbances. Younger patients exhibit hyperkinetic movements, while older patients show more bradykinetic symptoms.

Area of Science:

  • Neurology
  • Neuroscience
  • Pediatric Neurology

Background:

  • Rett syndrome is a rare neurodevelopmental disorder primarily affecting girls.
  • Extrapyramidal dysfunction is a significant but poorly understood feature of Rett syndrome.

Purpose of the Study:

  • To investigate and characterize the spectrum of motor and behavioral abnormalities in Rett syndrome patients.
  • To explore the relationship between age and the types of extrapyramidal movement disorders observed.

Main Methods:

  • Clinical assessment of motor and behavioral findings in 32 patients with Rett syndrome.
  • Age range of patients: 21 months to 30 years.
  • Systematic documentation of observed movement disorders.

Main Results:

Related Experiment Videos

  • Identified various motor disturbances beyond stereotyped movements and scoliosis, including bruxism, sialorrhea, ocular deviations, parkinsonism, dystonia, myoclonus, and athetosis.
  • Observed a clear age-related pattern in movement disorders.
  • Hyperkinetic movement disorders were more prevalent in younger patients, whereas bradykinetic disorders were more frequent in older patients.

Conclusions:

  • Extrapyramidal dysfunction in Rett syndrome is diverse and includes a range of hyperkinetic and bradykinetic movement disorders.
  • Age is a significant factor influencing the presentation of motor symptoms in Rett syndrome.
  • Further research is needed to understand the underlying pathophysiology and develop targeted interventions.