Electrically stimulated ventilation feedback improves the ventilation pattern in patients with COPD

Journal of Physical Therapy Science
Kenichi ItoHirobumi Kawamura

Abstract

[Purpose] We aimed to determine the effects of ventilation feedback using electrical stimulation on ventilation pattern during exercise in patients with chronic obstructive pulmonary disease (COPD), and develop new rehabilitation methods. [Subjects] This randomized double-blind placebo-controlled trial included 24 patients with COPD. [Methods] Phasic electrical stimulation during expiration (PESE) or a placebo was given to all the cases. Minute ventilation (VE), tidal volume (TV), respiratory rate (RR), expiratory time (Te), total respiratory time (Ttot), dead-space gas volume to tidal gas volume (VD/VT), oxygen uptake (VO2), carbon dioxide output (VCO2), Borg scale (Borg), and percutaneous oxygen saturation (SpO2) during rest and exercise were assessed. [Results] The placebo group showed no obvious change in ventilation measurements at rest or during exercise. However, in the PESE group, TV, Te, and Ttot significantly increased, while RR and VD/VT significantly decreased during exercise compared with the baseline measurements. Borg scores, SpO2, VO2, or VCO2 did not differ significantly. [Conclusion] PESE improves the ventilation pattern during rest and exercise. Furthermore, PESE does not increase VO2, which may indicate an i...Continue Reading

References

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Citations

May 3, 2016·Journal of Physical Therapy Science·Ju-Hyeon Jung, Nan-Soo Kim
Jul 20, 2018·Journal of Applied Physiology·Euan J McCaugheyJane E Butler
May 31, 2018·The Cochrane Database of Systematic Reviews·Kylie HillRoger Goldstein

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