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Vestibular rehabilitation in elderly patients with central vestibular dysfunction: a prospective, randomized pilot study

Abstract

For the vestibular system, aging is associated with degenerated otoconia and loss of hair cells, vestibular afferents, and cells in the vestibular nuclei. Further neurodegenerative processes involve cortical, extrapyramidal motor, and cerebellar structures. Dizziness is quite common in the elderly, limiting their mobility and activities. The role of vestibular rehabilitation in these patients is controversial. The present prospective, randomized, preliminary investigation aimed to compare the effect of a 6-week posturography-assisted vestibular rehabilitation protocol (30 min a week) combined with a home-based exercise program (group A, 14 randomly assigned elderly patients) with the same home-based exercise program alone (group B, 14 randomly assigned elderly patients) for treating dizziness due to central vestibular dysfunction in elderly patients. The outcomes were analyzed using the 25-item Dizziness Handicap Inventory (DHI) and computerized posturography. After rehabilitation, group A scored significantly better in the DHI for the functional (p = 0.0016) and emotional (p = 0.01) domains and total score (p = 0.001); only the emotional domain improved significantly in group B (p = 0.038). Group A improved significantly in some posturographic parameters in the motor tests (reaction time, movement velocity, and endpoint excursion), while group B experienced more limited improvements. Our preliminary results with a program of posturography-assisted vestibular rehabilitation, and home-based exercises are more promising than with home-based exercises alone. A new study on a larger series of elderly patients with central vestibular dysfunctions is currently underway at Padova University, considering the effect of a protocol involving rehabilitation with computerized posturography alone and the relationship between outcomes and the duration of rehabilitation programs.

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Acknowledgments

This study was supported in part by grant no. 60A07-3774/11 (G. Marioni) from the University of Padova. The authors thank Frances Coburn for correcting the English version of the paper and Rosa Marchioro and Sergio Tomasin for their photographic contribution.

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Correspondence to Gino Marioni.

Appendix

Appendix

The preferred posturography-assisted vestibular rehabilitation program involved the following sequence of shifts in body weight: (1) center to anterior to center (LOS ranging from 50 to 70 %, pacing from 5 to 7 s, duration 2 min); (2) center to right lateral to center (LOS ranging from 50 to 70 %, pacing from 5 to 7 s, duration 2 min); (3) center to posterior to center (LOS ranging from 50 to 70 %, pacing from 5 to 7 s, duration 2 min); (4) center to left lateral to center (LOS ranging from 50 to 70 %, pacing from 5 to 7 s, duration 2 min); (5) anterior to posterior to anterior (LOS ranging from 50 to 70 %, pacing from 5 to 7 s, duration 2 min); (6) left lateral to right lateral to left lateral (LOS ranging from 50 to 70 %, pacing from 5 to 7 s, duration 2 min); (7) right anterior to left posterior to right anterior (LOS ranging from 50 to 70 %, pacing from 5 to 7 s, duration 2 min); (8) left anterior to right posterior to left anterior (LOS ranging from 50 to 70 %, from 5 to 7 s, duration 2 min); (9) circling to right or clockwise (LOS ranging from 50 to 70 %, pacing from 5 to 7 s, duration 2 min); and (10) circling to left or counterclockwise (LOS ranging from 50 to 70 %, pacing from 5 to 7 s, duration 2 min).

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Marioni, G., Fermo, S., Lionello, M. et al. Vestibular rehabilitation in elderly patients with central vestibular dysfunction: a prospective, randomized pilot study. AGE 35, 2315–2327 (2013). https://doi.org/10.1007/s11357-012-9494-7

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  • DOI: https://doi.org/10.1007/s11357-012-9494-7

Keywords

  • Central vestibular disorder
  • Elderly patients
  • Vestibular rehabilitation
  • Computerized posturography
  • Home-based exercise program