Postmenopausal hypertension and sodium sensitivity.
Level 5 - mechanism / opinion, no new human data
Narrative mini-review synthesizing mechanistic and clinical concepts without systematic review methodology
PubMed 25371885 · doi:10.6118/jmm.2014.20.1.1
What was done
This narrative mini-review synthesized physiological mechanisms linking sex hormones, renal pressure-natriuresis, the renin-angiotensin system, and salt sensitivity to blood pressure changes across pre- and postmenopausal states. It also summarized reported effects of dietary sodium reduction and different hormone replacement therapy routes on blood pressure.
What was found
The abstract reports qualitative observations and provides no numerical data or effect estimates. Estrogen stimulates nitric oxide production and upregulates angiotensin type 2 receptors. Salt sensitivity increases with age, and low-salt diets reduce systolic and diastolic blood pressure. Oral hormone replacement therapy reportedly yields neutral or minimal effects on systolic blood pressure, whereas transdermal hormone therapy and drospirenone reduce systolic blood pressure.
Why it matters
This review outlines the physiological basis for rising blood pressure and salt sensitivity after menopause, highlighting potentially different blood pressure responses between oral and transdermal hormone therapies.
Limits
The abstract describes a narrative review with no systematic search methodology, study quality grading, or meta-analytic data. No sample sizes, patient demographics, or quantitative effect sizes are reported.
Cited by
- supports As women lose estrogen in midlife, their ability to regulate sodium declines.