Loading agent | Variable, unit | Value, pre-operation | Value, post-operation | Reference range |
---|---|---|---|---|
1 mg of DEX, overnight | Serum cortisol, μg/dL | 11.8 | 4.6 | < 1.8 |
8 mg of DEX, overnight | Serum cortisol, μg/dL | 13.1 | 8.7 | < 1.0 |
100 μg of CRH intravenously | Basal ACTH, pg/mL | 2.7 | 2.6 | 7.2–63.3 |
Peak ACTH, pg/mL (time, min) | 5.2 (90) | 9.1 (90) | > 2× basal ACTH | |
2 L of saline intravenously | PAC (before loading), pg/mL | 78 | 73 | 29.9–159 |
PAC (after loading), pg/mL | 92 | 81 | < 60 | |
50 mg of captopril orally | PAC (0 min), pg/mL | 56 | 114 | 29.9–159 |
PAC (60 min), pg/mL | 59 | 102 | N/A | |
PAC (90 min), pg/mL | 50 | 82 | N/A | |
ARR (0 min) | 140 | 285 | < 200 | |
ARR (60 min) | 590 | 102 | < 200 | |
ARR (90 min) | 496 | 74 | < 200 | |
40 mg of furosemide intravenously with keeping upright | PRA (0 min), ng/mL/h | 0.3 | 0.4 | 0.3–2.9 |
PRA (60 min), ng/mL/h | 0.3 | 0.5 | > 2.0 | |
PRA (120 min), ng/mL/h | 0.4 | 0.8 | > 2.0 | |
<Dexamethasone suppression test, Liddle’s method> | ||||
No DEX | Urinary- free cortisol, μg/day | 74 | 14 | 11.2–80.3 |
2 mg/day of DEX, the first day | Urinary- free cortisol, μg/day | 538 | 32 | |
2 mg/day of DEX, the second day | Urinary- free cortisol, μg/day | 284 | 28 | |
8 mg/day of DEX, the first day | Urinary- free cortisol, μg/day | 141 | 21 | |
8 mg/day of DEX, the second day | Urinary- free cortisol, μg/day | 136 | 20 |