Plasma ACTH and serum cortisol concentrations before and after hCRH stimulation at days 7 and 14 in preterm infants whose mothers received eight or more doses of antenatal dexamethasone
| ACTH (pmol/l) | Cortisol (nmol/l) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 0 min | 15 mins | 30 mins | 60 mins | 0 min | 15 mins | 30 mins | 60 mins | ||
| Day 7 (n = 14) | 5.1 (0.7) | 11.5 (2.3) | 8.4 (1.4) | 6.3 (0.9) | 283 (47) | 450 (44) | 552 (60) | 347 (64) | |
| Day 14 (n = 12) | 7.9 (1.1) | 12.0 (2.4) | 10.2 (1.6) | 8.3 (1.3) | 371 (33) | 453 (46) | 552 (56) | 374 (50) | |
| Differences between days 14 and 7 (n = 12) | 2.4 (1.3) | 2.1 (2.3) | 2.8 (1.3) | 2.6 (1.1) | 62 (61) | -12 (78) | -20 (86) | 25 (96) | |
Values are mean (SEM)