Cited by 40Parathyroid Disorders and TreatmentsHormonal Regulation and HypertensionRenin-Angiotensin System Studies

Renin-angiotensin-aldosterone system in primary hyperparathyroidism before and after surgery

Bernini, Giampaolo, Moretti, Angelica, Lonzi, Simone, Bendinelli, Cino, Miccoli, Paolo, Salvetti, Antonio·1999·Metabolism

Abstract

Twenty consecutive unselected patients with proven primary hyperparathyroidism (PH), 26 essential hypertensive (EH) patients, and 13 normotensives were studied. Blood pressure (BP) and, under constant salt intake, plasma renin activity (PRA), parathyroid hormone (PTH), urinary and plasma sodium, potassium, aldosterone (ALD), creatinine, total calcium, and phosphate were measured. Patients with PH were also studied 1 and 6 months after successful surgery. In patients with PH, systolic and diastolic BP was significantly lower (P < .001) than in EH patients and higher (P < .005) than in controls. Eight patients with PH (40%) had BP levels greater than 140/90 mm Hg. PTH and plasma and urinary calcium in patients with PH were significantly (P < .01) higher than in controls, while PRA, ALD, phosphate, potassium, and sodium were superimposable in the three groups. PTH in patients with PH was weakly correlated with PRA (positively) and with plasma potassium (negatively) and was not associated with ALD, calcium, sodium, and BP levels. Surgery was followed by a significant reduction (P < .01) in PTH, calcium, and urinary phosphate and an increase (P < .02) in plasma phosphate, potassium, and sodium, whereas PRA, ALD, urinary potassium and sodium, and BP showed no change. In hypertensive patients with PH, PTH, PRA, and plasma and urinary ALD, calcium, and sodium did not differ from the values in normotensive PH patients, and variations in these humoral parameters after surgery were comparable in the two groups. In conclusion, our results show that hypertension is frequently associated with PH. However, the present data raise doubts about the assumption of a renin-mediated causal relationship between hyperparathyroidism and high BP. Indeed, as a unique finding in favor of the hypothesis of a stimulating role of PTH in renin secretion, we observed only a weak relation between PTH and PRA. Thus, unknown and/or unassessed factors related to parathyroid disease cannot be ruled out to explain the hypertension observed in some patients with PH.

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Crossref · 10.1016/s0026-0495(99)90075-6

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Authors
Bernini, G., Moretti, A., Lonzi, S., Bendinelli, C., Miccoli, P., & Salvetti, A.
Affiliations
University of Pisa (IT)
Corresponding author
Bernini, Giampaolo
Venue
Metabolism
Publisher
Elsevier BV
Published
1999-03
Volume
48
Issue
3
Pages
298-300
ISSN
0026-0495 (ISSN-L)
OpenAlex
W1985563237
Cited by
40
References
15
Citations by year
2025: 1 · 2023: 1 · 2022: 1 · 2021: 2 · 2020: 6 · 2019: 2 · 2018: 1 · 2017: 2 · 2016: 2 · 2015: 2 · 2014: 3 · 2013: 3 · 2012: 4
FWCI
0.28
Type
journal article
Language
en
Open access
closed
Locations
  • Metabolism (publishedVersion)
  • PubMed (publishedVersion)
  • CINECA IRIS Institutial research information system (University of Pisa) (submittedVersion)
Topics
  • Health Sciences › Medicine › Nephrology › Parathyroid Disorders and Treatments
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Hormonal Regulation and Hypertension
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Renin-Angiotensin System Studies
Keywords
primary hyperparathyroidism, renin-angiotensin-aldosterone system, hypertension, parathyroid hormone, plasma renin activity, aldosterone, parathyroidectomy, hypercalcemia, urinary calcium, blood pressure
MeSH terms
Adult, Aged, Creatinine, Diet, Female, Hemodynamics, Hormones, Humans, Hyperparathyroidism, Male, Middle Aged, Parathyroid Hormone, Prospective Studies, Renin-Angiotensin System, Sodium, Water-Electrolyte Balance

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