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Psychomotor slowness in school-age children with congenital heart disease

Rachel van der Rijken1, Wouter Hulstijn, Gerdine Hulstijn-Dirkmaat

  • 1Medical Psychology, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands. rachel.van.der.rijken@deviersprong.nl

Insights

Children with congenital heart disease (CHD) experience motor slowness, not planning or control deficits, impacting their psychomotor skills. This finding highlights motor slowness as the key issue in school-aged children with CHD.

Area of Science:

  • Pediatric Neurology
  • Developmental Psychology
  • Cardiology

Background:

  • Psychomotor problems are frequently observed in children with congenital heart disease (CHD).
  • The underlying neuropsychological mechanisms of these psychomotor deficits in children with CHD are not well understood.
  • Understanding these deficits is crucial for targeted interventions and improving developmental outcomes.

Purpose of the Study:

  • To investigate the specific subprocesses of motor function, including motor planning, motor control, and motor slowness, in school-aged children with CHD.
  • To determine which of these subprocesses, if any, are impaired in children with CHD.
  • To identify the primary neuropsychological basis for psychomotor problems in this population.

Main Methods:

  • A comparative study design was employed, assessing 45 school-aged children with CHD and 41 healthy controls.
  • Participants completed various drawing tasks to evaluate kinematic properties of movement.
  • Key kinematic variables were analyzed to assess motor planning, motor control, and motor slowness.

Main Results:

  • Children with CHD demonstrated significant motor slowness, taking longer to initiate and execute movements compared to healthy peers.
  • No significant differences were found between children with CHD and controls in motor planning or motor control.
  • Motor slowness was identified as the predominant factor contributing to psychomotor deficits.

Conclusions:

  • Motor slowness, rather than deficits in motor planning or control, is the primary determinant of psychomotor problems in school-aged children with congenital heart disease.
  • These findings suggest that interventions should focus on addressing the speed of motor execution in children with CHD.
  • Further research is warranted to explore the neurological underpinnings of motor slowness in this population.

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