The Relationship Between Limb Dystonia Severity and Functional Impact in Children With Cerebral Palsy. | ScholarDeck

Paper

The Relationship Between Limb Dystonia Severity and Functional Impact in Children With Cerebral Palsy.

New research · Neurology

Journal of child neurology · 2w

StudyJournal of child neurology· Aug 2026

The Relationship Between Limb Dystonia Severity and Functional Impact in Children With Cerebral Palsy.

Emma Lott, Susie Kim, Joanna Blackburn … Bhooma R Aravamuthan

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Child NeurologyStudyQ2IF 1.8

Higher arm dystonia severity linked to worse upper-limb functional impact in cerebral palsy

The Relationship Between Limb Dystonia Severity and Functional Impact in Children With Cerebral Palsy.

Emma Lott … Bhooma R Aravamuthan

Journal of child neurology · Aug 2026 · Q2 in Pediatrics

Background

Dystonia treatment evaluation in cerebral palsy (cerebral palsy) is limited by the lack of clinician-assessed scales linking dystonia severity to functional impact.

Results

R2 = 0.48

worse arm dystonia predicts worse upper-limb function

n = 27 children

More results

We asked 7 pediatric movement disorder specialists to review videos of 27 children with cerebral palsy while performing an upper extremity task and while walking.

More results

Experts rated arm and leg dystonia severity using the Global Dystonia Severity Rating Scale (GDRS) and task-specific functional impact on a 5-point scale adapted from the Dyskinetic Cerebral Palsy Functional Impact Scale.

A 4-point increase in total GDRS corresponded to a 1-point worsening in combined functional impact.

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Conclusion

By demonstrating how expert-rated limb dystonia severity correlates with functional impact in children with cerebral palsy, these results could help clinically identify functionally meaningful differences in dystonia severity.

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