How whole-body vibration can help our COPD patients. Physiological changes at different vibration frequencies
Received 9 February 2018
Accepted for publication 16 July 2018
Published 18 October 2018 Volume 2018:13 Pages 3373—3380
Checked for plagiarism Yes
Review by Single-blind
Peer reviewers approved by Dr Andrew Yee
Peer reviewer comments 3
Editor who approved publication: Dr Richard Russell
Eulogio Pleguezuelos,1–3 Paula Casarramona,1 Lluis Guirao,1,3 Beatriz Samitier,1 Pilar Ortega,4 Xavier Vila,4 Amin Del Carmen,1 Laura Ovejero,4 Eva Moreno,5 Noemi Serra,5 Manuel Gomís,3 Manuel V Garnacho-Castaño,3 Marc Miravitlles6
1Physical Medicine and Rehabilitation Department, Mataró Hospital, Barcelona, Spain; 2Department of Experimental Science and Healthcare, Faculty of Health Sciences, Universitat Pompeu Fabra, Barcelona, Spain; 3School of Sciences, Tecnocampus-School of Health Sciencies, Pompeu Fabra University, Mataro, Barcelona, Spain; 4Pneumology Department, Mataró Hospital, Barcelona, Spain; 5Physical Medicine and Rehabilitation Department, Hospitalet General Hospital, L’Hospitalet de Llobregat, Barcelona, Spain; 6Pneumology Department, Hospital Universitari Vall d’Hebron, Ciber de Enfermedades Respiratorias (CIBERES), Barcelona, Spain
Objective: Evaluate cardiac, metabolic, and ventilatory changes during a training session with whole-body vibration training (WBVT) with 3 different frequencies in patients with chronic obstructive pulmonary disease (COPD).
Methods: This was a prospective, interventional trial in outpatients with severe COPD. Participants performed 3 vertical WBVT sessions once a week using frequencies of 35, 25 Hz and no vibration in squatting position (isometric). Cardiac, metabolic, and ventilator parameters were monitored during the sessions using an ergospirometer. Changes in oxygen pulse response (VO2/HR) at the different frequencies were the primary outcome of the study.
Results: Thirty-two male patients with a mean forced expiratory volume in 1 second of 39.7% completed the study. Compared to the reference of 35 Hz, VO2/HR at no vibration was 10.7% lower (P=0.005); however, no statistically significant differences were observed on comparing the frequencies of 35 and 25 Hz. The median oxygen uptake (VO2) at 25 Hz and no vibration was 9.43% and 13.9% lower, respectively, compared to that obtained at 35 Hz (both comparisons P<0.0001). The median expiratory volume without vibration was 9.43% lower than the VO2 at the end of the assessment at 35 Hz vibration (P=0.002).
Conclusion: Vertical WBVT training sessions show greater cardiac, metabolic, and respiratory responses compared with the squat position. On comparing the 2 frequencies used, we observed that the frequency of 35 Hz provides higher cardiorespiratory adaptation.
Keywords: COPD, cardioventilatory response, exercise, whole-body vibration
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