Comparison of cardiovascular, renal, and humoral effects of acute administration of two calcium channel blockers in normotensive and hypertensive subjects

Gastone Leonetti, Cesare Cuspidi, Lorena Sampieri, Laura Terzoli, Alberto Zanchetti

Research output: Contribution to journalArticle

171 Citations (Scopus)

Abstract

The acute effects of two calcium channel blockers, nifedipine and verapamil, were compared in eight normotensive subjects and eight patients with essential hypertension. Nifedipine 10 mg and verapamil 160 mg orally had no effect on blood pressure of normal subjects, but reduced systolic and diastolic pressures of hypertensive patients to the same extent. The blood pressure reduction caused by nifedipine was more prompt and of lesser duration than that caused by verapamil. In both normal subjects and hypertensive patients nifedipine caused a transient rise in heart rate and plasma renin activity, and plasma catecholamines showed a tendency to increase; verapamil did not affect these variables. Nifedipine induced a marked increase in urine volume and renal sodium excretion in hypertensive patients, with a much smaller change in normotensives. Verapamil did not influence water and sodium excretion in either direction. Thus, this study shows similarities and differences between the effects induced by acute oral administration of the most-used vasodilating calcium antagonists.

Original languageEnglish
Pages (from-to)S319-S324
JournalJournal of Cardiovascular Pharmacology
Volume4
Publication statusPublished - 1982

Fingerprint

Calcium Channel Blockers
Nifedipine
Verapamil
Kidney
Blood Pressure
Sodium
Renin
Catecholamines
Oral Administration
Heart Rate
Urine
Calcium
Water

Keywords

  • Blood pressure
  • Calcium antagonists
  • Catecholamines
  • Nifedipine
  • Plasma renin activity
  • Verapamil
  • Water and sodium balance

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Pharmacology

Cite this

Comparison of cardiovascular, renal, and humoral effects of acute administration of two calcium channel blockers in normotensive and hypertensive subjects. / Leonetti, Gastone; Cuspidi, Cesare; Sampieri, Lorena; Terzoli, Laura; Zanchetti, Alberto.

In: Journal of Cardiovascular Pharmacology, Vol. 4, 1982, p. S319-S324.

Research output: Contribution to journalArticle

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