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Table 4 Airway pressure (Paw), expired tidal volume (TV) and peak inspiratory pressure (PIP)

From: Speaking valves in tracheostomised ICU patients weaning off mechanical ventilation - do they facilitate lung recruitment?

 

Baseline (1)

SV (2)

Post SV (4)

Paw, (n = 7)a

10.5 cmH2O

5.6 cmH2O

10.7 cmH2O

TV, L (n = 10)b

0.550

0.024c

0.534

PIP (n = 10)b

19.8

15.1

20

  1. aFull data for all three periods from three patients only
  2. bData from all 10 mechanically ventilated patients in the study
  3. cTwo patients had higher TV of 0.106 L and 0.088 L on average, and two patients had TV of 0.0 L. SV speaking valve, Paw airway pressure, TV tidal volume
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Critical Care

ISSN: 1364-8535