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Huntington disease or HD is a progressive, fatal neurodegenerative disorder inherited in an autosomal dominant pattern.PathophysiologyIt is caused by expansion of the CAG trinucleotide repeat in the HTT gene on chromosome 4 (4p16.3), producing an abnormal huntingtin protein with an expanded polyglutamine tract. This misfolded protein disrupts cellular function, leading to neuronal death. Normal alleles have ≤26 repeats, 27–35 are intermediate (risk of expansion), 36–39 show reduced penetrance,...
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Home-Based Monitor for Gait and Activity Analysis
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Physical therapy in Huntington's disease--toward objective assessments?

S Bohlen1, C Ekwall, K Hellström

  • 1Department of Neurology, University Hospital Muenster, University of Muenster, Muenster, Germany. bohlens@uni-muenster.de

European Journal of Neurology
|June 8, 2012
PubMed
Summary

Physical therapy improved gait in Huntington's disease patients. Objective measures like GAITRite showed significant gains, suggesting their utility in future clinical trials for this neurodegenerative disorder.

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Area of Science:

  • Neurology
  • Physical Therapy
  • Biomedical Engineering

Background:

  • Efficacy of physical therapy for Huntington's disease (HD) is understudied.
  • Lack of validated outcome measures hinders research on physical therapy interventions for HD.
  • Novel quantitative assessments are needed to evaluate motor function improvements in HD patients undergoing physical therapy.

Purpose of the Study:

  • To assess the effectiveness of physical therapy in improving gait and posture in patients with Huntington's disease.
  • To investigate the utility of novel quantitative and objective outcome measures for evaluating physical therapy interventions in HD.

Main Methods:

  • Twelve patients with Huntington's disease participated in a 6-week, twice-weekly physical therapy program focused on gait and posture.
  • Objective gait and posture assessments utilized the GAITRite system and a force plate.
  • Clinical outcome measures included the Unified Huntington's Disease Rating Scale (UHDRS) Total Motor Score, Timed Up & Go (TUG) test, and Berg Balance Scale (BBS).

Main Results:

  • Significant improvements were observed in GAITRite gait parameters following the physical therapy intervention.
  • The Timed Up & Go test and Berg Balance Scale also demonstrated significant improvements.
  • No significant changes were noted in force plate measures or the UHDRS Total Motor Score.

Conclusions:

  • Physical therapy demonstrates a positive impact on gait function in individuals with Huntington's disease.
  • Objective, quantitative gait and posture measures show promise as reliable endpoints for evaluating physical therapy efficacy in HD.
  • Further research in larger, randomized controlled trials is recommended to validate these findings and explore the full potential of physical therapy in HD management.