Time-course of the changes in blood pressure and in plasma rennin activity during the first week after dilation of renal artery stenosis

Alberto Morganti, Patrizia Quorso, Paola Ferraris, Andrea Lovaria, Maria Fruscio, Silvia Saccheri, Alberto Zanchetti

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Abstract

We measured arterial pressure and plasma renin activity throughout the first week after a technically successful percutaneous transluminal renal angioplasty (PTRA) in 12 patients with hypertension and unilateral renal artery stenosis. Mean arterial pressure fell from 126 ± 4 to 105 ± 3mmHg within 1-2 days of PTRA and stabilized thereafter; in addition, plasma renin activity decreased sharply during the first 2 days after the angioplasty (from 5.2 ± 2.3 to 1.3 ± 0.3ng/ml per h) but continued to decline, reaching 0.8 ± 0.2ng/ml per h at the end of the study. When the antihypertensive effect of PTRA was examined in relation to baseline values of plasma renin activity, the patients with low, intermediate and high plasma renin activity showed percentage decreases in mean arterial pressure of, respectively, 6%, 16% and 19% by the sixth day of observation after the angioplasty. No overall correlation was found between the changes in arterial pressure and those in plasma renin activity induced by PTRA. These data suggest that the beneficial effect of PTRA on blood pressure can be estimated within a few days and that the reduction in the activity of the renin system is the principal but not the sole mechanism responsible for it.

Original languageEnglish
Pages (from-to)S186-S187
JournalJournal of Hypertension, Supplement
Volume7
Publication statusPublished - 1989

Fingerprint

Chymosin
Renal Artery Obstruction
Angioplasty
Dilatation
Renin
Blood Pressure
Kidney
Arterial Pressure
Antihypertensive Agents
Observation
Hypertension

Keywords

  • Plasma renin renovascular activity
  • Renal angioplasty
  • Renovascular hypertension

ASJC Scopus subject areas

  • Physiology
  • Cardiology and Cardiovascular Medicine
  • Internal Medicine
  • Endocrinology

Cite this

Morganti, A., Quorso, P., Ferraris, P., Lovaria, A., Fruscio, M., Saccheri, S., & Zanchetti, A. (1989). Time-course of the changes in blood pressure and in plasma rennin activity during the first week after dilation of renal artery stenosis. Journal of Hypertension, Supplement, 7, S186-S187.

Time-course of the changes in blood pressure and in plasma rennin activity during the first week after dilation of renal artery stenosis. / Morganti, Alberto; Quorso, Patrizia; Ferraris, Paola; Lovaria, Andrea; Fruscio, Maria; Saccheri, Silvia; Zanchetti, Alberto.

In: Journal of Hypertension, Supplement, Vol. 7, 1989, p. S186-S187.

Research output: Contribution to journalArticle

Morganti, A, Quorso, P, Ferraris, P, Lovaria, A, Fruscio, M, Saccheri, S & Zanchetti, A 1989, 'Time-course of the changes in blood pressure and in plasma rennin activity during the first week after dilation of renal artery stenosis', Journal of Hypertension, Supplement, vol. 7, pp. S186-S187.
Morganti, Alberto ; Quorso, Patrizia ; Ferraris, Paola ; Lovaria, Andrea ; Fruscio, Maria ; Saccheri, Silvia ; Zanchetti, Alberto. / Time-course of the changes in blood pressure and in plasma rennin activity during the first week after dilation of renal artery stenosis. In: Journal of Hypertension, Supplement. 1989 ; Vol. 7. pp. S186-S187.
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