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Published on: July 14, 2023
Neurally Adjusted Ventilatory Assist in Neonates
Vijender Rao Karody1, Kimberly S Firestone2, Howard Stein3
1Division of Neonatology, Medical College of Wisconsin, Milwaukee, WI, USA.
Abstract:
Neurally Adjusted Ventilatory Assist is a ventilation mode that allows the patient to control the initiation, size, and termination of each mechanical breath on a breath-by-breath basis. The ventilator uses a neural trigger to detect diaphragmatic electrical activity (Edi) through a specialized nasogastric tube placed at the level of the crural diaphragm. Upon detecting the Edi signal, the ventilator delivers flow to generate a peak pressure proportional to the Edi activity. The breath is terminated when the Edi signal ceases, marking the end of inspiration.
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