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Table 3 Causes of reintubation for the NIV and OM groups

From: Noninvasive ventilation immediately after extubation improves weaning outcome after acute respiratory failure: a randomized controlled trial

 

Respiratory muscle fatigue

Atelectasis

Bronchospasm

Depressed level of consciousness

90 mm Hg ≥ SAP ≥ 180 mm Hg

2 3

 

6

 

HR ≥ 140 beats/min

    

Severe arrhythmia

    

RR ≥ 30 per minute

1 2 3

4 5

6

 

PaO2 ≤ 60 mm Hg or SaO2 ≤ 90%

1 2 3

4 5

6

7 1a

PaCO2 ≥ 50 mm Hg

1 2 3

4 5

6

7 1a

Difficulty in expectorating

1 2 3

  

7 1a

  1. 1, 2, 3, 4, 5, 6, 7, Seven patients in the Oxygen Mask group undergoing reintubation. aPatient in the NIV group undergoing reintubation. HR, heart rate; NIV, noninvasive ventilation; RR, respiratory rate.