Table 1.
Physiological variables for adult sheep and premature lambs
|
Adult sheep |
Premature lambs |
||||||||
|---|---|---|---|---|---|---|---|---|---|
|
(n =6) |
Control (n =6) |
Asphyxial (n =5) |
|||||||
| 0 h | 2 h | 4 h | 0 h | 2 h | 4 h | 0 h | 2 h | 4 h | |
| pH | 7.51 (0.06) | 7.51 (0.05) | 7.51 (0.04) | 7.31 (0.08) | 7.23 (0.05) | 7.26 (0.10) | 7.25 (0.12) | 7.27 (0.08) | 7.28 (0.12) |
| PaCO2 (kPa) | 5.5 (0.9) | 5.7 (0.7) | 5.6 (0.7) | 6.1 (1.2) | 7.3 (0.9) | 7.0 (1.6) | 7.2 (2.1) | 6.2 (1.4) | 5.7 (2.0) |
| PaO2 (kPa) | 14.0 (6.2) | 18.8 (12.6) | 19.5 (13.1) | 5.8 (1.8) | 4.5 (2.0) | 11.2 (11.4) | 5.3 (1.6) | 9.0 (8.1) | 15.1 (10.5) |
| BE (mmol·L−1) | – | – | – | −4.2 (3.2) | −5.3 (3.0) | −4.4 (3.0) | −4.7 (4.8) | −6.3 (2.1) | −7.4 (2.1) |
| Hb (g·L−1) | 77 (15) | 80 (14) | 77 (16) | 143 (20) | 133 (11) | 127 (16) | 145 (19) | 134 (23) | 122 (25) |
| SaO2 (%) | 97 (3) | 99 (1) | 99 (2) | 94 (11) | 80 (22) | 97 (6) | 92 (7) | 93 (6) | 99 (1) |
| B-Glu (mmol·L−1) | 7.7 (4.6) | 9.7 (3.8) | 7.6 (1.9) | 5.1 (1.9) | 6.7 (5.9) | 3.8 (1.8) | 4.0 (3.1) | 2.5 (3.0) | 3.8 (1.9) |
| Lactate (mmol·L−1) | – | – | – | 5.6 (1.8) | 7.0 (0.4) | 7.26 (0.10) | 6.1 (2.6) | 6.8 (3.1) | 7.1 (3.4) |
–, not estimated; B-Glu, blood glucose; BE, base excess; Hb, haemoglobin; PaCO2, arterial carbon dioxide pressure; PaO2, arterial oxygen pressure; SaO2, arterial oxygen saturation.