Table 1 Perinatal aortic trunk blood variables in the sustained inflation (SI) and dynamic PEEP recruitment (dynPEEP) groups.
From: Pulmonary perfusion with dynamic PEEP recruitment or sustained inflation at birth in preterm lambs
Variable | Group | Fetus | NB 10 min | NB 15 min | NB 30 min | P1 | P2 |
---|---|---|---|---|---|---|---|
Hb, g·dl-1 | SI | 12.0 ± 1.4b | 11.7 ± 0.8 | 11.6 ± 1.0 | 11.4 ± 0.9 | 0.054 | 0.608 |
dynPEEP | 12.3 ± 0.8a | 12.2 ± 0.8 | 11.8 ± 0.8 | 11.7 ± 0.8 | 0.009 | ||
SaO2, % | SI | 62.4 ± 9.7c | 94.7 ± 7.3 | 95.8 ± 7.2 | 96.6 ± 4.9 | <0.001 | 0.621 |
dynPEEP | 59.1 ± 11.8c | 95.4 ± 4.2 | 95.5 ± 2.6 | 94.4 ± 2.6 | <0.001 | ||
pH | SI | 7.34 ± 0.05c | 7.41 ± 0.05 | 7.38 ± 0.04 | 7.33 ± 0.05 | <0.001 | 0.161 |
dynPEEP | 7.31 ± 0.03c | 7.37 ± 0.05 | 7.37 ± 0.03 | 7.33 ± 0.03 | 0.002 | ||
PaO2, mmHg | SI | 23.7 ± 4.4c | 81.0 ± 51.9 | 68.4 ± 27.2 | 61.6 ± 17.5 | 0.007 | 0.065 |
dynPEEP | 21.9 ± 3.6c | 53.5 ± 27.9 | 46.3 ± 16.8 | 43.3 ± 12.5 | 0.003 | ||
PaCO2, mmHg | SI | 47.6 ± 6.4c | 34.1 ± 5.2 | 37.5 ± 4.0 | 42.6 ± 4.4 | <0.001 | 0.186 |
dynPEEP | 50.9 ± 4.4c | 38.1 ± 5.6 | 37.9 ± 4.1 | 43.3 ± 3.5 | <0.001 |