The relationship between balance control and vitamin D in Parkinson's disease-a pilot study

Research output: Contribution to journalArticle

28 Scopus citations

Abstract

Background: Balance problems and falls are a major source of morbidity and mortality in patients with Parkinson's disease. Vitamin D supplementation reduces falls and sway in neurologically intact elderly fallers, but effects in Parkinson's disease are not established. Methods: To study this relationship and select outcome measures for a vitamin D intervention study, balance function and vitamin D concentration were quantified in a series of Parkinson's patients in a cross-sectional, observational study. Participants underwent a battery of 5 balance tests. Results: Serum vitamin D concentrations were correlated inversely with Parkinson's severity, as measured by the motor Unified Parkinson's Disease Rating Scale. Among the balance measures, vitamin D concentrations were correlated with automatic posture responses to backwards translation, specifically with response strength and stance weight asymmetry. Conclusions: These findings support the hypothesis that vitamin D plays a role in balance among patients with Parkinson's disease and identify specific outcome measures for detecting effects of vitamin D upon balance.

Original languageEnglish (US)
Pages (from-to)1133-1137
Number of pages5
JournalMovement Disorders
Volume28
Issue number8
DOIs
StatePublished - Jul 1 2013

Keywords

  • Accidental falls
  • Parkinson's disease
  • Vitamin D

ASJC Scopus subject areas

  • Neurology
  • Clinical Neurology

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