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Table 2 Ventilator settings during the four steps

From: A diaphragmatic electrical activity-based optimization strategy during pressure support ventilation improves synchronization but does not impact work of breathing

 

Step 1

Step 2

Step 3

Step 4

p

Inspiratory trigger sensitivity (flow trigger)

2 (2–2)

3 (2–4)

3 (2–4)

-

0.004

PEEP (cmH20)

8 (5.75–8)

8 (5.75–8)

8 (7.25–9.75)

8 (7.25–9.75)

0.007

PS level (cmH20)

9 (8–10)

9 (8–10)

9 (8–10)

-

-

Cycling criterion (%)

30 (30–30)

47.5 (40–53.75)

47.5 (40–53.75)

-

<0.001

  1. Results are presented as median and interquartile range
  2. PEEP positive end expiratory pressure, PS pressure support
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Critical Care

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