Urinary excretion of catecholamines during dopamine infusion in man

J. Takahashi, Y. Takino, Hiroshi Morisaki, S. Iwanami

Research output: Contribution to journalArticle

Abstract

This study was designed to evaluate the changes of endogenous catecholamine secretions in association with dopamine infusion (6.0 ± 1.9 μg/kg/min. mean ± S.D.) in man. In 18 patients undergoing gynecological abdominal surgery, epidural anesthesia combined with light general anesthesia was performed to suppress the physical and mental stress during surgery. Eleven of them were given dopamine during the operation (dopamine group) and the other 7 patients were not given dopamine (control group). Urine samples were collected before and during the operations, and the concentrations of dopamine, norepinephrine and epinephrine per 1 mg of creatinine were measured by high performance liquid chromatography using the native fluorescence detection method. In the dopamine group, norepinephrine excretion during the operations increased on average 66% compared with the preoperative value (p < 0.01). In contrast, in the control group, both norepinephrine and epinephrine excretion were unchanged. These results suggest that exogenous dopamine increases the plasma level of norepinephrine in man.

Original languageEnglish
Pages (from-to)1343-1346
Number of pages4
JournalJapanese Journal of Anesthesiology
Volume34
Issue number10
Publication statusPublished - 1985
Externally publishedYes

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Catecholamines
Dopamine
Norepinephrine
Epinephrine
Control Groups
Gynecologic Surgical Procedures
Epidural Anesthesia
General Anesthesia
Creatinine
Fluorescence
High Pressure Liquid Chromatography
Urine

ASJC Scopus subject areas

  • Anesthesiology and Pain Medicine

Cite this

Urinary excretion of catecholamines during dopamine infusion in man. / Takahashi, J.; Takino, Y.; Morisaki, Hiroshi; Iwanami, S.

In: Japanese Journal of Anesthesiology, Vol. 34, No. 10, 1985, p. 1343-1346.

Research output: Contribution to journalArticle

Takahashi, J, Takino, Y, Morisaki, H & Iwanami, S 1985, 'Urinary excretion of catecholamines during dopamine infusion in man', Japanese Journal of Anesthesiology, vol. 34, no. 10, pp. 1343-1346.
Takahashi, J. ; Takino, Y. ; Morisaki, Hiroshi ; Iwanami, S. / Urinary excretion of catecholamines during dopamine infusion in man. In: Japanese Journal of Anesthesiology. 1985 ; Vol. 34, No. 10. pp. 1343-1346.
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