Hormone replacement therapy and longitudinal changes in blood pressure in postmenopausal women

A. Scuteri, A. J.G. Bos, L. J. Brant, Laura Talbot, E. G. Lakatta, J. L. Fleg

Research output: Contribution to journalArticle

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Abstract

Background: The incidence of hypertension in postmenopausal women exceeds that in age-matched men. Longitudinal studies relating hormone replacement therapy (HRT) to blood pressure changes are sparse. Objective: To investigate the association between HRT and longitudinal changes in blood pressure in postmenopausal women. Design: Longitudinal observational study. Setting: Community-dwelling volunteers. Patients: 226 healthy, normotensive postmenopausal women from the Baltimore Longitudinal Study of Aging with a mean (±SD) age of 64 ± 10 years were followed for 5.7 ± 5.3 years. Seventy-seven women used both estrogen and progestin, and 149 used neither. Measurements: Lifestyle variables, blood pressure, and traditional cardiovascular risk factors were measured at baseline and approximately every 2 years thereafter. Results: Systolic blood pressure at baseline was similar in HRT users and nonusers (133.9 ± 16.0 mm Hg vs. 132.4 ± 14.8 mm Hg). Over time, average systolic blood pressure increased less in HRT users than nonusers, independent of other cardiovascular risk factors, physical activity, and alcohol use. For example, HRT users who were 55 years of age at their first Baltimore Longitudinal Study of Aging visit experienced a 7.6-mm Hg average increase in systolic blood pressure over 10 years; in contrast, the average increase in nonusers was 18.7 mm Hg. The lesser increase in systolic blood pressure in HRT users was more evident at older age. Diastolic blood pressure, which did not change statistically over time in either group, was not associated with HRT. Conclusion: Postmenopausal women taking HRT have a smaller increase in systolic blood pressure over time than those not taking HRT. This difference is intensified at older ages.

Original languageEnglish (US)
Pages (from-to)229-238
Number of pages10
JournalAnnals of Internal Medicine
Volume135
Issue number4
DOIs
StatePublished - Aug 21 2001
Externally publishedYes

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Hormone Replacement Therapy
Blood Pressure
Longitudinal Studies
Baltimore
Independent Living
Progestins
Observational Studies
Life Style
Volunteers

All Science Journal Classification (ASJC) codes

  • Internal Medicine

Cite this

Hormone replacement therapy and longitudinal changes in blood pressure in postmenopausal women. / Scuteri, A.; Bos, A. J.G.; Brant, L. J.; Talbot, Laura; Lakatta, E. G.; Fleg, J. L.

In: Annals of Internal Medicine, Vol. 135, No. 4, 21.08.2001, p. 229-238.

Research output: Contribution to journalArticle

Scuteri, A. ; Bos, A. J.G. ; Brant, L. J. ; Talbot, Laura ; Lakatta, E. G. ; Fleg, J. L. / Hormone replacement therapy and longitudinal changes in blood pressure in postmenopausal women. In: Annals of Internal Medicine. 2001 ; Vol. 135, No. 4. pp. 229-238.
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abstract = "Background: The incidence of hypertension in postmenopausal women exceeds that in age-matched men. Longitudinal studies relating hormone replacement therapy (HRT) to blood pressure changes are sparse. Objective: To investigate the association between HRT and longitudinal changes in blood pressure in postmenopausal women. Design: Longitudinal observational study. Setting: Community-dwelling volunteers. Patients: 226 healthy, normotensive postmenopausal women from the Baltimore Longitudinal Study of Aging with a mean (±SD) age of 64 ± 10 years were followed for 5.7 ± 5.3 years. Seventy-seven women used both estrogen and progestin, and 149 used neither. Measurements: Lifestyle variables, blood pressure, and traditional cardiovascular risk factors were measured at baseline and approximately every 2 years thereafter. Results: Systolic blood pressure at baseline was similar in HRT users and nonusers (133.9 ± 16.0 mm Hg vs. 132.4 ± 14.8 mm Hg). Over time, average systolic blood pressure increased less in HRT users than nonusers, independent of other cardiovascular risk factors, physical activity, and alcohol use. For example, HRT users who were 55 years of age at their first Baltimore Longitudinal Study of Aging visit experienced a 7.6-mm Hg average increase in systolic blood pressure over 10 years; in contrast, the average increase in nonusers was 18.7 mm Hg. The lesser increase in systolic blood pressure in HRT users was more evident at older age. Diastolic blood pressure, which did not change statistically over time in either group, was not associated with HRT. Conclusion: Postmenopausal women taking HRT have a smaller increase in systolic blood pressure over time than those not taking HRT. This difference is intensified at older ages.",
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