Ventricular myocardial catecholamines in primates

Gordon L. Pierpont, Eugene G. DeMaster, Stephanie Reynolds, Jonathan Pederson, Jay N Cohn

Research output: Contribution to journalArticlepeer-review

39 Scopus citations

Abstract

We report myocardial catecholamine levels In primate ventricles assayed by high-pressure liquid chromatography with electrochemical detection. The norepinephrine content of the left ventricles of 11 monkeys (four rhesus and seven cynomolgus) was 1391 ± 362 ng/gm (±SD) with a definite gradient from base (highest) to apex (lowest concentration). Dopamine and epinephrine were present in much lower concentrations (51.8 ± 24.5 ng/gm and 59.2 ± 20.0 ng/gm, respectively), but were similarly distributed throughout the left ventricle. There was considerable variation in norepinephrine concentration between animals, but the dopamine/norepinephrine ratio was very consistent within a given animal, averaging 3.7% ± 1.4%. These values are probably indicative of what normal concentrations of catecholamines are likely to be in humans, and provide a basis for interpretation of results obtained in disease studies.

Original languageEnglish (US)
Pages (from-to)205-210
Number of pages6
JournalThe Journal of laboratory and clinical medicine
Volume106
Issue number2
StatePublished - Aug 1985

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