Hemodynamic effects of portable non-invasive ventilation in healthy men

Chynkiamis, Nikolaos, Armstrong, Matthew, Manifield, James, Hume, Emily, Reilly, Caroline, Aliverti, Andrea, O'Doherty, Alasdair and Vogiatzis, Ioannis (2019) Hemodynamic effects of portable non-invasive ventilation in healthy men. Respiratory Physiology & Neurobiology, 268. p. 103248. ISSN 1569-9048

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Official URL: https://doi.org/10.1016/j.resp.2019.06.005

Abstract

VitaBreath is a portable, non-invasive ventilation device (pNIV) that relieves shortness of breath in COPD by delivering fixed inspiratory and expiratory positive airway pressures (IPAP/EPAP: 18/8 cmH2O). Fixed pressures may cause circulatory compromise. We investigated the circulatory effects of pNIV during normal breathing (NB) and after Eucapnic Voluntary Hyperpnoea trials (EVH) sustained at 80% MVV. In a balanced order sequence, 10 healthy men performed four trials on one visit: 1-min of pNIV (intervention) or 1-min quiet breathing (QB) during NB; and 1-min pNIV (intervention) or 1-min QB during recovery from 3-min EVH. Compared to QB, pNIV application was associated with greater cardiac output (CO: 1.6 ± 1.9 L.min-1; P = 0.03). One minute into recovery from EVH, pNIV caused greater CO (2.2 ± 1.6 L.min-1; P = 0.01) compared to QB. Mean blood pressure was not different with pNIV compared to control. pNIV increased thoracoabdominal volumes and breathing frequency during NB and recovery from EVH. pNIV application does not induce adverse hemodynamic effects in healthy men.

Item Type: Article
Uncontrolled Keywords: Non-invasive ventilation, Central Haemodynamic Responses, Operational chest wall volumes
Subjects: C600 Sports Science
Depositing User: Elena Carlaw
Date Deposited: 02 Jul 2019 09:21
Last Modified: 11 Oct 2019 10:01
URI: http://nrl.northumbria.ac.uk/id/eprint/39838

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