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Table 3 Main asynchronies and asynchrony index in the two study groups

From: Impact of prolonged assisted ventilation on diaphragmatic efficiency: NAVA versus PSV

 

PSV group

NAVA group

P value

Missed efforts (n.min−1)

1.48 (0.93–3)

0.54 (0.16–0.86)

0.007

Ineffective inspiratory triggering (n.min−1)

0.19 (0.04–0.28)

0.16 (0.03–0.51)

0.95

Double triggering (n.min−1)

0.08 (0.05–0.15)

0.16 (0.03–0.31)

0.56

Auto-triggering (n.min−1)

0.00 (0.00–0.00)

0.00 (0.00–0.00)

-

Prolonged cycles (n.min−1)

0.12 (0.02–0.3)

0.00 (0.00–0.001)

0.006

Short cycles (n.min−1)

0.03 (0.02–0.04)

0.03 (0.004–0.09)

1.00

Asynchrony index (%)

9.48 (6.38–21.73)

5.39 (3.78–8.36)

0.04

  1. PSV pressure support ventilation, NAVA neurally adjusted ventilator assist