Why the study?
Are sympathovagal interactions and baroreflex control altered in patients with primary aldosteronism compared to essential hypertensives and normotensive subjects?
Population
38 subjects: 17 patients with primary aldosteronism, 11 patients with essential hypertension, and 10…
Comparison
Spectral analysis of heart rate and blood… vs Essential hypertensives and normotensive subjects.
Design
Cross-sectional
Authors
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May indicate autonomic dysregulation in hypertension; leaves open whether primary aldosteronism confers distinct baroreflex impairment.
Are sympathovagal interactions and baroreflex control altered in patients with primary aldosteronism compared to essential hypertensives and normotensive subjects?
Patients with primary aldosteronism exhibit altered sympathovagal interactions and impaired baroreflex gain, suggesting enhanced peripheral vascular responsiveness to normal sympathetic outflow.
Veglio et al. (1995) studied this question.
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