Upper-limb range of motion in children with cerebral palsy treated with botulinum neurotoxin: a population-based

Jenny Hedberg-Graff1,2, Fredrik Granström3, Marianne Arner4,5

  • 1Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden.

PubMed

Insights

Early botulinum neurotoxin-A (BoNT-A) treatment may improve passive range of motion (pROM) in children with cerebral palsy (CP). This study found early intervention is linked to better upper limb pROM outcomes over time, potentially preventing contractures.

Area of Science:

  • Pediatric Rehabilitation
  • Neuromuscular Disorders
  • Biomechanical Analysis

Background:

  • Children with cerebral palsy (CP) often experience changes in passive range of motion (pROM) in their upper limbs.
  • Contractures can develop during growth, impacting motor function.
  • Botulinum neurotoxin-A (BoNT-A) is used in CP management, but its long-term effects on pROM require further investigation.

Purpose of the Study:

  • To investigate changes in upper limb pROM over time in children with CP.
  • To compare pROM outcomes between children treated and not treated with BoNT-A.
  • To assess the impact of early vs. late BoNT-A treatment on pROM.

Main Methods:

  • Retrospective analysis of data from the Cerebral Palsy follow-up program and registry in Sweden (CPUP) from 2000-2017.
  • Inclusion of children with spastic or dyskinetic CP, aged 1-15 years.
  • Use of mixed models to analyze changes in pROM for five upper limb movements.

Main Results:

  • The study included 496 children with CP; 22% received BoNT-A treatment.
  • Approximately 36% developed upper limb contractures before age 15.
  • Early BoNT-A treatment (before age 4) was associated with better pROM outcomes compared to later treatment.

Conclusions:

  • Upper limb contractures are a significant concern, affecting one-third of children with CP during growth.
  • Regular monitoring of pROM can identify early signs of muscle shortening.
  • Early BoNT-A intervention shows promise in helping maintain upper limb pROM in children with CP.
Abstract

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