The effects of dopamine agonists on human cardiovascular and sympathetic nervous systems

M. G. Ziegler, B. Kennedy, O. B. Holland, D. Murphy, C. R. Lake

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

We gave people four different dopamine agonists and monitored blood pressure, heart rate and circulating catecholamine levels. Bromocriptine decreased blood pressure and plasma norepinephrine levels. Dopamine increased pulse pressure, heart rate and circulating epinephrine (E) and norepinephrine (NE) levels. Dopamine agonists tend to diminish blood pressure by inhibiting sympathetic neuronal discharge of NE and, to a lesser extent, by stimulating dopamine vascular receptors. However, dopamine and L-dopa can be converted to NE and E, both of which have pressor effects. The complex cardiovascular effects of dopamine agonists are the result of stimulation of dopamine vascular and neuronal receptors and the production of NE and E.

Original languageEnglish (US)
Pages (from-to)175-179
Number of pages5
JournalInternational Journal of Clinical Pharmacology Therapy and Toxicology
Volume23
Issue number4
StatePublished - 1985

Fingerprint

Sympathetic Nervous System
Dopamine Agonists
Neurology
Norepinephrine
Blood Pressure
Dopamine
Blood pressure
Blood Vessels
Heart Rate
Bromocriptine
Dopamine Receptors
Levodopa
Adrenergic Receptors
Epinephrine
Catecholamines
Plasmas

ASJC Scopus subject areas

  • Toxicology
  • Pharmacology (medical)

Cite this

The effects of dopamine agonists on human cardiovascular and sympathetic nervous systems. / Ziegler, M. G.; Kennedy, B.; Holland, O. B.; Murphy, D.; Lake, C. R.

In: International Journal of Clinical Pharmacology Therapy and Toxicology, Vol. 23, No. 4, 1985, p. 175-179.

Research output: Contribution to journalArticle

Ziegler, M. G. ; Kennedy, B. ; Holland, O. B. ; Murphy, D. ; Lake, C. R. / The effects of dopamine agonists on human cardiovascular and sympathetic nervous systems. In: International Journal of Clinical Pharmacology Therapy and Toxicology. 1985 ; Vol. 23, No. 4. pp. 175-179.
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