Effect of portable noninvasive ventilation on thoracoabdominal volumes in recovery from intermittent exercise in patients with COPD

Author:

Chynkiamis N.1ORCID,Lane N. D.23,Megaritis D.1,Manifield J.1,Loizou I.1,Alexiou C.1,Riazati S.1,LoMauro A.4ORCID,Bourke S. C.23,Vogiatzis I.12

Affiliation:

1. Department of Sport, Exercise and Rehabilitation, Northumbria University, Newcastle Upon-Tyne, United Kingdom

2. Northumbria Healthcare NHS Foundation Trust, North Tyneside General Hospital, Newcastle Upon-Tyne, United Kingdom

3. Translational and Clinical Research Institute, Newcastle University, Newcastle Upon-Tyne, United Kingdom

4. Dipartimento di Elettronica, Informazione e Bioingegneria, Politecnico di Milano, Milano, Italy

Abstract

Compared with the pursed-lip breathing technique, acute application of portable noninvasive ventilation during recovery from intermittent exercise improved end-expiratory thoracoabdominal dynamic hyperinflation (DH) in 50% of patients with COPD (DH responders). DH responders, compared with DH nonresponders, exhibited a reduction in end-expiratory thoracoabdominal DH predominantly driven by the abdominal compartment that effectively offset end-expiratory rib cage DH. The essential difference between DH responders and DH nonresponders was, therefore, in the behavior of the abdomen.

Funder

Northumbria University

Philips

Publisher

American Physiological Society

Subject

Physiology (medical),Physiology

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