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Table

From: Weaning from mechanical ventilation in COPD patients: interest to measure, in post-extubation, the airway occlusion pressure (P0.1), in order to indicate non-invasive pressure support ventilation (NIPSV) to prevent relapse

 

PS = 6 cm H2O before extubation

PS = 4 cm H2O postextubation

 
 

RR

RR/VT

PaCO2

PaO2

P0.1

RR

RR/VT

PaCO2

PaO2

P0.1

 

Group I

26 ± 5

75 ± 28

6.9 ± 0.8

9.8 ± 1.2

2.5 ± 0.7

27 ± 4

71 ± 19

7.8 ± 0.8

9.5 ± 1.3

4.2 ± 0.9

 

(n = 10)

           

Group II

24 ± 5

64 ± 24

6.5 ± 1.0

9.6 ± 2.1

2.4 ± 0.9

23 ± 5

60 ± 21

7.2 ± 0.9

9.7 ± 1.6

1.8 ± 0.8

 

(n = 18)

           

P

NS

NS

NS

NS

NS

NS

NS

NS

NS

NS

P < 0.01

  1. PaO2 - PaCO2 : kPa; P0.1 : cmH2O.