Table 2. Criteria for weaning from mechanical ventilation and extubation in neonatal and pediatric ICUs in Brazil.
| Criteria and other variables | n (%) |
|---|---|
| Weaning and extubation readiness criteria (N = 146) | |
| Clinical criteria | 11 (7.5) |
| Clinical and biochemical criteria | 101 (69.2) |
| Clinical criteria, biochemical criteria, and predictive indices | 33 (22.6) |
| Clinical criteria and predictive indices | 1 (0.7) |
| Biochemical criteria (n = 134)a | |
| Arterial blood gas analysis | 129 (96.3)b |
| Other | 80 (59.7)b |
| Predictive indices (n = 33)a | |
| RSBI | 14 (42.4)b |
| MV parameters | 11 (33.3)b |
| MIP, MEP, or both | 6 (18.2)b |
| SBT | 4 (12.1)b |
| PaO2/FiO2 ratio | 4 (12.1)b |
| Other | 15 (45.4)b |
| Time frame considered for extubation failure (N = 146) | |
| 24 h | 39 (26.7) |
| 48 h | 68 (46.6) |
| 72 h | 14 (9.6) |
| Undefined | 25 (17.1) |
| Number of extubation attempts (N = 146) | |
| Most patients are successfully extubated on the first attempt | 130 (89) |
| Most patients require up to 3 attempts | 13 (8.9) |
| Most patients require more than 3 attempts | 0 (0.0) |
| Could not inform | 3 (2.1) |
| Use of a weaning protocol after extubation failure on the first attempt (N = 146) | |
| No | 94 (64.4) |
| Yes | 41 (28.1) |
| In some cases | 11 (7.5) |
| Registration of clinical indicators (N = 146) | |
| Time on MV | 139 (95.2)b |
| Cause of extubation failure | 88 (60.3)b |
| Weaning time | 40 (27.4)b |
RSBI: rapid shallow breathing index; MV: mechanical ventilation; and SBT: spontaneous breathing trial. aNumber of respondents differed from the total. bTotal may be greater than 100% because the respondents could choose more than one response.