Stability of Plasma Free Metanephrines during Collection and Storage as Assessed by an Optimized HPLC Method with Electrochemical Detection

Clinical Chemistry

Volumn 49, Issue 11, 2003, Pages 1951-1953

  Willemsen, Jacques J ^a   Sweep, C G J ^a   Lenders, Jacques W M ^a   Ross, H Alec ^a  

^a RADBOUD UNIVERSITY MEDICAL CENTER   (Netherlands)

Author keywords

[No Author keywords available]

Indexed keywords

EGTAZIC ACID; METADRENALIN; NORMETADRENALIN;

ARTICLE; BLOOD ANALYSIS; BLOOD LEVEL; BLOOD SAMPLING; BLOOD STORAGE; CONTROLLED STUDY; ELECTROCHEMISTRY; HIGH PERFORMANCE LIQUID CHROMATOGRAPHY; HUMAN; HUMAN TISSUE; MOLECULAR STABILITY; NORMAL HUMAN; PHEOCHROMOCYTOMA; VEIN PUNCTURE;

CHROMATOGRAPHY, HIGH PRESSURE LIQUID; ELECTROCHEMISTRY; HUMANS; METANEPHRINE; NORMETANEPHRINE;

EID: 0242267932     PISSN: 00099147     EISSN: None     Source Type: Journal    
DOI: 10.1373/clinchem.2003.023135     Document Type: Article

References (6)

1. Lenders JWM, Pacak K, Walther MM, Linehan WM, Mannetli M, Friberg P, et al. Biochemical diagnosis of pheochromocytoma: which test is best? JAMA 2002;287:1427-34.
2. Roden M, Raffesberg W, Raber W, Bernroider E, Niederle B, Waldhäusl W, et al. Quantification of unconjugated metanephrines in human plasma without interference by acetaminophen. Clin Chem 2001;47:1061-7.
3. Sawka AM, Jaeschke R, Singh RJ, Young WF. A comparison of biochemical tests for pheochromocytoma: measurement of fractionated plasma metanephrines compared with the combination of 24-hour urinary metanephrines and catecholamines. J Clin Endocrinol Metab 2003;88:553-8.
4. Lenders JWM, Eisenhofer G, Armando I, Keiser HR, Goldstein DS, Kopin IJ. Determination of metanephrines in plasma by liquid chromatography with electrochemical detection. Clin Chem 1993;39:97-103.
5. Ross HA, Sweep CGJ. An improved procedure for testing for assay linearity. Ann Clin Biochem 2003;40:75-8.
6. Boomsma F, Alberts G, van Eijk L, Man in't Veld AJ, Schalekamp MADH. Optimal collection and storage conditions for catecholamine measurements in human plasma and urine. Clin Chem 1993;39:2503-8.