Patient-ventilator synchrony and tidal volume variability using NAVA and pressure support mechanical ventilation modes

[en] Neurally Adjusted Ventilatory Assist (NAVA) is a new ventilatory mode in which ventilator settings are adjusted based on the electrical activity detected in the diaphragm (Eadi). This mode offers significant advantages in mechanical ventilation over standard pressure support (PS) modes, since ventilator input is determined directly from patient ventilatory demand. A comparative study of 22 patients undergoing mechanical ventilation in both PS and NAVA modes was conducted, and it was concluded that for a given variability in Eadi, there is greater variability in tidal volume and correlation between the tidal volume and the diaphragmatic electrical activity with NAVA compared to PS. These results are consistent with the improved patient-ventilator synchrony reported in the literature. © 2011 IFAC.

Disciplines :

Anesthesia & intensive care

Author, co-author :

Moorhead, K. T.; Cardiovascular Research Centre, University of Liege, Liege 4000, Belgium

Piquilloud, L.; Intensive Care and Burn Unit, University Hospital, Lausanne, Switzerland

LAMBERMONT, Bernard ; Centre Hospitalier Universitaire de Liège - CHU > Frais communs médecine

Roeseler, J.; Intensive Care Unit, Cliniques Universitaire St-Luc, Brussels, Belgium

Chase, J. G.; Department of Mechanical Engineering, University of Canterbury, Christchurch, New Zealand

Vignaux, L.; Intensive Care Unit, University Hospital, Geneva, Switzerland

Bialais, E.; Intensive Care Unit, Cliniques Universitaire St-Luc, Brussels, Belgium

Tassaux, D.; Intensive Care Unit, University Hospital, Geneva, Switzerland

Jolliet, P.; Intensive Care and Burn Unit, University Hospital, Lausanne, Switzerland

Desaive, Thomas ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Thermodynamique des phénomènes irréversibles

Language :

English

Title :

Patient-ventilator synchrony and tidal volume variability using NAVA and pressure support mechanical ventilation modes

Publication date :

2011

Event name :

18th IFAC World Congress

Event date :

28 August 2011 through 2 September 2011

By request :

Yes

Audience :

International

Main work title :

Proceedings of the 18th IFAC world congress, 2011

ISBN/EAN :

978-3-902661-93-7

Collection name :

IFAC Proceedings Volume; 18

Pages :

569-574

Peer reviewed :

Peer reviewed

Commentary :

86642 9783902661937

Available on ORBi :

since 12 October 2012

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Bibliography

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