Table 2.
Lung weights and postnatal blood gas and cardiovascular variables over the first 60 min following delivery of lambs after prenatal adrenaline infusion or lung liquid aspiration
| Adrenaline (n = 7) | Aspiration (n = 5) | Significance | |
|---|---|---|---|
| Heart rate (beats min−1) | 195 ± 11 | 147 ± 12 | < 0.05 |
| MAP (mmHg) | 64.6 ± 2.2 | 65.3 ± 2.7 | n.s. |
| [Haemoglobin] (g dl−1) | 11.4 ± 1.0 | 10.4 ± 0.2 | n.s. |
| Respiratory rate (breaths min−1) | 57 ± 2 | 79 ± 14 | n.s. |
| Pa,O2 (mmHg) | 44.1 ± 6.1 | 26.5 ± 2.0 | < 0.05 |
| Pa,CO2 (mmHg) | 61.3 ± 3.2 | 63.6 ± 2.6 | n.s. |
| Sa,O2 (%) | 62.1 ± 6.0 | 57.5 ± 3.3 | n.s. |
| pHa | 7.056 ± 0.035 | 7.196 ± 0.018 | < 0.01 |
| Base excess (mmol l−1) | −13.8 ± 1.6 | −4.1 ± 1.0 | < 0.001 |
| Wet lung/body wt (g kg−1) | 24.8 ± 4.4 | 29.8 ± 2.3 | n.s. |
| Dry lung/body wt (g kg−1) | 3.5 ± 0.4 | 3.5 ± 0.4 | n. s. |
| Wet/dry wt ratio | 7.09 ± 0.4 | 9.06 ± 0.8 | < 0.05 |
Values are means ± s.e.m.