Table 3.
Extubation and Reintubation Criteria (if specified)
| Extubation criteria (n=21) | No. (%) | Median cutoff (range) |
|---|---|---|
| FiO2 | 16 (76.2) | 35 (25-40) |
| PIP | 15 (71.4) | 16 (12-20)* |
| Ventilator rate | 15 (71.4) | 20 (12-35) |
| PEEP | 4 (19) | 4 (3-5) * |
| Mean airway pressure | 4 (19) | 8.5 (5-10) * |
| Amplitude | 2 (9.5) | 20* |
| Frequency | 1 (4.8) | 9 Hz |
| pH | 3 (14.3) | 7.25 |
| PaO2 | 1 (4.8) | 50† |
| PaCO2 | 5 (23.8) | 60 (45-65)† |
| Hemoglobin | 1 (4.8) | 13 g/dL |
| Minute ventilation test | 2 (9.5) | Pass |
| Spontaneous breathing trial | 1 (4.8) | Pass |
| Reintubation criteria (n=25) | ||
| Apnea | 23 (92) | |
| FiO2 | 20 (80) | 60 (40-100) |
| pH | 22 (88) | 7.25 (7.2-7.25) |
| PaO2 | 9 (36) | 50† |
| PaCO2 | 19 (76) | 65 (55-65)† |
| Respiratory distress‡ | 3 (12) |
FiO2: fraction of inspired oxygen; PIP: positive inspiratory pressure; PEEP: positive end-expiratory pressure; PaO2: partial pressure of oxygen; PaCO2: partial pressure of CO2
*
cm H20;
†
mmHg;
‡
Included stridor, tachypnea, Downe’s score, Silverman’s score, “severe distress”