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Expiratory training in multiple sclerosis

S C Smeltzer1, M H Lavietes, S D Cook

  • 1Department of Nursing, Thomas Jefferson University, Philadelphia, PA 19107, USA.

Archives of Physical Medicine and Rehabilitation
|September 1, 1996
PubMed
Summary
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Expiratory muscle training significantly improved respiratory muscle strength in multiple sclerosis (MS) patients. This pilot study indicates targeted expiratory training can enhance expiratory muscle strength in individuals with MS.

Area of Science:

  • Neurology
  • Respiratory Medicine
  • Rehabilitation Science

Background:

  • Multiple sclerosis (MS) can lead to respiratory muscle weakness, impacting patient health and quality of life.
  • Assessing and improving respiratory muscle strength is crucial for managing MS symptoms.

Purpose of the Study:

  • To investigate the efficacy of expiratory muscle training compared to sham training in enhancing respiratory muscle strength in patients with multiple sclerosis (MS).

Main Methods:

  • A randomized controlled trial was conducted with 20 participants diagnosed with definite MS and reduced expiratory muscle strength.
  • Participants were assigned to either a 3-month expiratory muscle training program or a sham training program, with home-based sessions and weekly monitoring.
  • Respiratory muscle strength was measured using maximal inspiratory and expiratory pressures at baseline and at 1, 2, and 3 months.

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Main Results:

  • The expiratory muscle training group demonstrated a statistically significant increase in expiratory muscle strength compared to the sham training group (p = .003).
  • No significant improvements were observed in inspiratory muscle strength in either group.

Conclusions:

  • Expiratory muscle training is effective in increasing expiratory muscle strength in individuals with multiple sclerosis.
  • Further research is warranted to explore the clinical implications and benefits of enhanced expiratory muscle strength on overall outcomes in MS patients.