[Periodic movements of the limbs during sleep in childhood]

M Bestué-Cardiel1, F Sanmartí, J Artigas

  • 1Servicio de Neurología; Hospital Universitario Miguel Servet, Zaragoza, 50009, España. mbestugc@meditex.es

Insights

Periodic limb movements (PLM) in sleep are rare in children but can cause significant learning and behavioral issues. Early diagnosis is crucial for affected children to prevent long-term problems.

Area of Science:

  • Neurology
  • Sleep Medicine
  • Pediatrics

Background:

  • Periodic limb movements (PLM) in sleep are intrinsic dyssomnias causing insomnia and daytime somnolence.
  • PLM affects 11% of the population, typically over 50, and is rare in children.
  • While often linked to restless legs syndrome, PLM can occur independently.

Observation:

  • This study presents two cases of PLM in girls under seven years old.
  • Both cases exhibited severe neuropsychological disorders, including behavioral and feeding issues, and psychotic episodes.
  • School performance was significantly impacted, leading to complete failure in one child.

Findings:

  • PLM in childhood is uncommon but associated with significant neuropsychological comorbidities.
  • The clinical course of PLM in children demonstrates variability, posing diagnostic and therapeutic challenges.
  • Early identification of PLM in children is essential.

Implications:

  • Pediatricians and sleep specialists should consider PLM in children presenting with sleep disturbances.
  • Prompt diagnosis and management of PLM can mitigate severe behavioral and learning difficulties.
  • Further research is needed to understand the long-term impact and optimal treatment strategies for pediatric PLM.
Abstract

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