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Eur J Endocrinol. 1999 Oct;141(4):350-7.

Population based study on serum ionised calcium, serum parathyroid hormone, and blood pressure. The Tromsø study.

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1
Department of Medicine, University Hospital of Tromso, Tromso, Norway. medrj@rito.no

Abstract

OBJECTIVE:

To study associations between serum ionised calcium, serum parathyroid hormone (PTH) and blood pressure.

DESIGN:

A population based, cross-sectional study was used.

METHODS:

Blood pressure, body mass index, serum ionised calcium and serum PTH were measured in 460 males and 486 females in the Tromso study in 1994/1995. None were on medication for hypertension. The data were analysed with a multiple linear regression model.

RESULTS:

When looking at subjects with serum ionised calcium<1.39mmol/l, there was a significant negative association (P<0.01) between serum ionised calcium and PTH. There was no association between blood pressure and serum ionised calcium. In both sexes there was a significant positive association between age and serum PTH (P<0.01). For women, but not for men, there was a significant positive association between serum PTH and systolic and diastolic blood pressure (P<0.01). Within each age group there was a difference in both systolic and diastolic blood pressure of 3-10mmHg between the upper and lower serum PTH halves of the female population. Females with hypertension had significantly higher serum PTH levels than the normotensive females (P<0.01).

CONCLUSION:

Serum PTH is strongly and positively associated with blood pressure in women.

PMID:
10526247
[Indexed for MEDLINE]
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