Abstract
Neurally adjusted ventilatory assit (NAVA) is a new mode of mechanical ventilation that delivers ventilatory assist in proportion to neural effort. In contrast to all other modes of ventilation, which adopt conventional pneumatic signals (flow, volume, and airway pressure) to drive and control the ventilator operation, NAVA utilizes the electrical activity of the diaphragm. Ventilating neonatal and pediatric patients in this new mode appears to be safe and well tolerated with improved patient-ventilator synchrony and lower peak airway pressure when compared to pressure support ventilation. Concluding, NAVA improves monitoring of respiratory drive, and delivers synchronized assist in relation to patient effort, and the control of assist is not affected by leaks or auto-PEEP.
Keywords: NAVA, electrical activity of the diaphragm, pressure support ventilation, mechanical ventilation, partial ventilatory assist, pediatric, neonate, diaphragm, patient-ventilator interaction, asynchrony
Current Respiratory Medicine Reviews
Title: Neurally Adjusted Ventilatory Assist - NAVA
Volume: 8 Issue: 1
Author(s): Werther Brunow de Carvalho and Marcelo Cunio Machado Fonseca
Affiliation:
Keywords: NAVA, electrical activity of the diaphragm, pressure support ventilation, mechanical ventilation, partial ventilatory assist, pediatric, neonate, diaphragm, patient-ventilator interaction, asynchrony
Abstract: Neurally adjusted ventilatory assit (NAVA) is a new mode of mechanical ventilation that delivers ventilatory assist in proportion to neural effort. In contrast to all other modes of ventilation, which adopt conventional pneumatic signals (flow, volume, and airway pressure) to drive and control the ventilator operation, NAVA utilizes the electrical activity of the diaphragm. Ventilating neonatal and pediatric patients in this new mode appears to be safe and well tolerated with improved patient-ventilator synchrony and lower peak airway pressure when compared to pressure support ventilation. Concluding, NAVA improves monitoring of respiratory drive, and delivers synchronized assist in relation to patient effort, and the control of assist is not affected by leaks or auto-PEEP.
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Cite this article as:
Brunow de Carvalho Werther and Cunio Machado Fonseca Marcelo, Neurally Adjusted Ventilatory Assist - NAVA, Current Respiratory Medicine Reviews 2012; 8 (1) . https://dx.doi.org/10.2174/157339812798868825
DOI https://dx.doi.org/10.2174/157339812798868825 |
Print ISSN 1573-398X |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6387 |
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