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Annals of Intensive Care

Table 3 Respiratory variables during the study protocol

From: Neurally adjusted ventilatory assist vs. pressure support to deliver protective mechanical ventilation in patients with acute respiratory distress syndrome: a randomized crossover trial

Variable NAVA PSV p value
RR (rpm) 24 ± 7 23 ± 7 0.661
VT/kg (mL/kg) 5.8 ± 1.1 5.6 ± 1.0 0.455
VE (L/min) 8.2 ± 2.5 8.0 ± 2.5 0.431
MAP (cmH2O) 12.7 ± 2.4 12.5 ± 2.3 0.364
Paw (cmH2O) 21 ± 3 19 ± 3 0.001
EAdi (µV) 12.9 ± 6.8 11.9 ± 6.9 0.285
EAdi/TIn (µV/s) 19.3 ± 9.4 17.3 ± 8.8 0.156
  1. RR respiratory rate, VT/kg tidal volume for predicted body weight, VE minute ventilation, MAP mean airway pressure, Paw peak airway pressure, EAdi peak of electrical activity of the diaphragm, EAdi/TIn peak of electrical activity of the diaphragm divided for neural inspiratory time − index of respiratory drive
  2. Data presented as mean ± standard deviation, p value obtained by paired t test
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