R. Maronde

Publications65
h-index17
Citations981
Highly Influential Citations5
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Venous Distensibility in Essential Hypertension
Forearm venous distensibility was measured in patients with essential hypertension and in normotensive subjects in both the horizontal and 60° feet-down positions. The hypertensive patients exhibited… Expand
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Plasma levels of free and total catecholamines and two deaminated metabolites in man--rapid deconjugation by heat in acid.
We have described a procedure for deconjugation of plasma catecholamines, norepinephrine (NE), epinephrine (E) and dopamine (DA) and two catecholamine metabolites 3,4-dihydroxymandelic acid (DOMA)… Expand
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Catecholamines and their major metabolites in plasma and cerebrospinal fluid of man
In 36 patients undergoing elective surgery under spinal anesthesia, plasma and cerebrospinal fluid (CSF) concentrations of catecholamines and their major metabolic products were determined. The… Expand
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Elevated plasma dopamine beta hydroxylase activity in rats with neurogenic hypertension.
Abstract Increased plasma dopamine beta hydroxylase, DBH, activity has been cited as evidence of increased sympathetic function in essential hypertension. Here-to-fore, experimental hypertension in… Expand
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Venous distensibility in essential hypertension.
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GLC Determination of Atenolol and β-Blocking Agents in Biological Fluids
A rapid, sensitive, and specific method of analysis for atenolol is described. Metoprolol is used as the internal standard. Atenolol and metoprolol are extracted into 1-butanol-benzene. Interfering… Expand
  • 29
A radioenzymatic microassay for simultaneous measurement of catecholamines and their deaminated metabolites.
Abstract A simple and specific assay for measurement of norepinephrine, epinephrine, and their major deaminated metabolites 3,4-dihydroxyphenylglycol and 3,4-dihydroxymandelic acid in plasma has been… Expand
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Potassium loss with thiazide therapy.
Abstract Nonedematous patients with essential hypertension were studied by metabolic techniques while hospitalized. Hydrochlorothiazide therapy resulted in a transient natriuresis which subsequently… Expand
  • 48
Brain abscess and congenital heart disease.
  • R. Maronde
  • Medicine
  • Annals of internal medicine
  • 1 September 1950
Excerpt There is a sparsity of reports in the medical literature concerning the syndrome of brain abscess and congenital heart disease. This has led to a general belief that cerebral suppuration is...
  • 36
Increased plasma normetanephrine in spontaneously hypertensive rats.
Plasma catecholamine and total plasma normetanephrine concentrations were determined in 11 spontaneously hypertensive rats (SHR) and in 11 age and sex matched Wistar Kyoto control rats (WKy). Plasma… Expand
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