Research ArticleOriginal Research

Feasibility Study on Neurally Adjusted Ventilatory Assist in Noninvasive Ventilation After Cardiac Surgery in Infants

Laurent Houtekie, Damien Moerman, Amaury Bourleau, Grégory Reychler, Thierry Detaille, Emilien Derycke and Stéphan Clément de Cléty
Respiratory Care July 2015, 60 (7) 1007-1014; DOI: https://doi.org/10.4187/respcare.03624

Article Figures & Data

Figures

  • Fig. 1.
    Fig. 1.

    Flow diagram. nCPAP = nasal CPAP, NIV-NAVA = noninvasive neurally adjusted ventilatory assist.

  • Fig. 2.
    Fig. 2.

    Airway pressure (Paw) and diaphragmatic electrical activity (EAdi) curves (A: simulated, B: actual subject) showing a discontinuous inspiration. The escalation of the curves is similar in both the pressure and diaphragmatic electrical activity curve.

  • Fig. 3.
    Fig. 3.

    Diaphragmatic electrical activity (EAdi) curves showing a continuous effort (A: simulated, B: actual subject curve). The intermediate minimum EAdi (EAdi min) is higher than the minimum EAdi from the start and at the end. The intermediate minimum EAdi is higher than 1 μV.

  • Fig. 4.
    Fig. 4.

    Actual subject pressure and diaphragmatic electrical activity (EAdi) curves showing pneumatic inspiratory trigger (*) and early expiration (**).

Tables

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