Table 2.
Postextubation outcomes data
| Group A (n = 40) |
Group B (MI-E) (n = 35) |
|
|---|---|---|
| NIV application, n (%) Reasons for NIV (n) |
20 (50%) | 14 (40%) |
| Respiratory rate > 35 beats/min | 5 (25%) | 9 (64%) |
| SpO2 < 90% | 4 (20%) | 1 (7%) |
| 20% variation of HR or BP | 1 (5%) | - |
| PaO2 < 60; PaCO2 >45 | 10 (50%) | 4 (29%) |
| Total period of MV (days) | 17.8 ± 6.4a | 11.7 ± 3.5a |
| Patients reintubated (n, %) | 19 (48%)a | 6 (17%)a |
| Causes of reintubation (n) | ||
| Respiratory pauses with loss of consciousness | - | 1 |
| Respiratory distress after 2-h NIV | 6 | 2 |
| Decreasing level of consciousness | 2 | - |
| Intolerance to NIV | 2 | - |
| Hypotension (systolic BP < 90 mm Hg for > 30 minutes) | - | 1 |
| Secretion encumbrance associated with severe hypoxemia | 9 | 2 |
| NIV failure rate, n (%) | 13 (65%)a | 2 (14%)a |
| Total ICU length of stay | 19.3 ± 8.1 | 16.9 ± 11.1 |
| Postextubation ICU length of stay |
9.8 ± 6.7a | 3.1 ± 2.5a |
Data are presented as mean ± standard deviation. APS II, New Simplified Acute Physiology Score; COPD, chronic obstructive pulmonary disease; MV, mechanical ventilation; NIV, noninvasive ventilation; NS, nonsignificant. aP < 0.05