Table 2.
Variables in the recruitment maneuver (RM) combined with positive end-expiratory pressure (PEEP).
| Before RM combined with PEEP | After RM combined with PEEP | P value | |
|---|---|---|---|
| Infant group (n = 20) | |||
| VT (mL) | 61.8 ± 9.7 | 80.1 ± 13.9 | < 0.05 |
| VT/ideal body weight (mL/kg) | 9.7 ± 1.5 | 12.4 ± 2.4 | < 0.05 |
| HR (bpm) | 142.3 ± 13.5 | 144.7 ± 13.3 | < 0.05 |
| BP (mmHg) | 78.2 ± 12.1/ 41.7 ± 7.0 | 75.3 ± 10.9 / 38.9 ± 5.1 | < 0.05/0.12 |
| Preschool children group (n = 20) | |||
| VT (mL) | 135.8 ± 28.5 | 164.0 ± 36.9 | < 0.05 |
| VT/ideal body weight (mL/kg) | 9.1 ± 1.4 | 11.7 ± 2.3 | < 0.05 |
| HR (bpm) | 124.4 ± 15.7 | 127.2 ± 12.7 | 0.10 |
| BP (mmHg) | 91.3 ± 8.2 / 42.2 ± 9.7 | 88.3 ± 8.1 / 40.5 ± 7.8 | < 0.05/0.12 |
| School children group (n = 20) | |||
| VT (mL) | 217.7 ± 49.7 | 246.9 ± 50.1 | < 0.05 |
| VT/ideal body weight (mL/kg) | 8.5 ± 1.3 | 10.4 ± 1.7 | < 0.05 |
| HR (bpm) | 113.3 ± 18.3 | 117.4 ± 18.4 | < 0.05 |
| BP (mmHg) | 91.5 ± 6.6 / 46.3 ± 6.7 | 87.6 ± 8.1 / 43.4 ± 6.6 | < 0.05/ < 0.05 |
A paired t-test was used to compare the groups for nonparametric data.
All values are expressed as mean ± standard deviation (SD).
VT tidal volume.
Statistical significance was set at p < 0.05.