Measurement of plasma catecholamines by high-performance liquid chromatography with electrochemical detection in intensive care patients after dobutamine infusion

A procedure for the determination of plasma catecholamine concentrations in critical care patients after dobutamine infusion is presented. A modified chromatographic system is required with an additional washing procedure to achieve maximum sensitivity and stable chromatographic conditions. The infl...

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Bibliographic Details
Published in:Journal of chromatography. Biomedical applications 1991-06, Vol.567 (1), p.240-247
Main Authors: Zimmermann, J., Dennhardt, R., Gramm, H.-J.
Format: Article
Language:English
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Summary:A procedure for the determination of plasma catecholamine concentrations in critical care patients after dobutamine infusion is presented. A modified chromatographic system is required with an additional washing procedure to achieve maximum sensitivity and stable chromatographic conditions. The influence of storage time on the catecholamine concentrations of plasma samples is reported in detail. A time-dependent decrease in catecholamine concentrations of up to 12 and 39% was found within two and ten months, respectively.
ISSN:0378-4347
DOI:10.1016/0378-4347(91)80327-9