How much "urinary free cortisol" is really cortisol during water diuresis in healthy individuals? [3]

Clinical Chemistry

Volumn 50, Issue 6, 2004, Pages 1102-1104

  Fenske, Martin ^a  

^a UNIVERSITY OF BAYREUTH   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

18 HYDROXYCORTICOSTERONE; BINDING PROTEIN; CORTISONE; HYDROCORTISONE; TETRAHYDROCORTISOL; TETRAHYDROCORTISONE; WATER;

BINDING ASSAY; COLORIMETRY; CORRELATION ANALYSIS; CROSS REACTION; DIURESIS; FLUID INTAKE; HIGH PERFORMANCE LIQUID CHROMATOGRAPHY; HORMONE DETERMINATION; HUMAN; INTERMETHOD COMPARISON; LETTER; RADIOIMMUNOASSAY; STATISTICAL ANALYSIS; TIME; URINALYSIS; URINARY EXCRETION; URINE VOLUME; WATER LOADING;

CORTISONE; CROSS REACTIONS; DIURESIS; DRINKING; HUMANS; HYDROCORTISONE; PROTEIN BINDING;

EID: 2642576582     PISSN: 00099147     EISSN: None     Source Type: Journal    
DOI: 10.1373/clinchem.2004.032243     Document Type: Letter

References (18)

1. Lloyd CW. Some clinical aspects of adrenal cortical and fluid metabolism. Recent Prog Horm Res 1952;7:469-510.
2. Hatfield CB, Shuster S. The significance of changes in plasma cortisol concentration and renal excretion of corticosteroids after a water load. J Endocrinol 1959;18:262-70.
3. Baum CK, Davison MJ, Landon J. Urinary free cortisol excretion by normal subjects. J Endocrinol 1974;63:47P-8P.
4. Bertrand PV, Rudd BT, Weller PH, Day AJ. Free cortisol and creatinine in urine of healthy children. Clin Chem 1987;33:2047-51.
5. Mericq M, Cutler GB Jr. High fluid intake increases urine free cortisol excretion in normal subjects. J Clin Endocrinol Metab 1998;83:682-4.
6. Lewicka S, Nowicki M, Vescei P. Effect of sodium restriction on urinary excretion of cortisol and its metabolites in humans. Steroids 1998;63:401-5.
7. Fenske M. Urinary free cortisol is not affected by short-term water diuresis [Letter]. Clin Chem 1999;45:316-7.
8. Putignano P, Dubini A, Cavagnini F. Urinary free cortisol is unrelated to physiological changes in urine volume in healthy women [Letter]. Clin Chem 2000;46:879-80.
9. Morineau G, Gosling J, Patricot M-C, Soliman H, Boudou P, Al Halnak A, et al. Convenient chromatographic prepurification step before measurement of urinary cortisol by radioimmunoassay. Clin Chem 1997;43:786-93.
10. Morineau G, Boudi A, Barka A, Gourmelen M, Degeilh F, Hardy N, et al. Radioimmunoassay of cortisone in serum, urine, and saliva to assess the status of the cortisol-cortisone shuttle. Clin Chem 1997;43:1397-407.
11. Lin C-L, Wu T-J, Machacek DA, Jiang N-S, Kao PC. Urinary free cortisol and cortisone determined by high performance liquid chromatography in the diagnosis of Cushing's syndrome. J Clin Endocrinol Metab 1997;82:151-5.
12. Turpeinen U, Markkanen H, Välimäki M, Stenman U-H. Determination of urinary free cortisol by HPLC. Clin Chem 1997;43:1386-91.
13. Taylor RL, Machacek D, Singh RJ. Validation of a high-throughput liquid chromatography-tandem mass spectrometry method for urinary cortisol and cortisone. Clin Chem 2002;48:1511-9.
14. Fenske M. Determination of cortisol and cortisone in human morning and overnight urine by thin-layer chromatography and fluorescence derivatisation with isonicotinic acid hydrazide. Chromatographia 2000;52:810-4.
15. Murphy BEP. Clinical evaluation of urinary cortisol determinations by competitive protein-binding radioassay. J Clin Endocrinol Metab 1968;28:343-8.
16. Murphy BE. Some studies of the protein-binding of steroids and their application to the routine micro and ultramicro measurement of various steroids in body fluids by competitive protein-binding radioassay. J Clin Endocrinol Metab 1967;27:973-90.
17. Ruder HJ, Guy RL, Lipsett MB. A radioimmunoassay for cortisol in plasma and urine. J Clin Endocrinol Metab 1972;35:219-24.
18. Fenske M. Determination of cortisol in guinea pig urine by high performance thin-layer chromatography, high performance liquid chromatography, and thin-layer chromatography/radioimmunoassay. Chromatographia 1997;44:50-4.