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Primary aldosteronism

Robert M Carey1

  • 1Division of Endocrinology and Metabolism, Department of Medicine, University of Virginia Health System, Charlottesville, VA, USA. rmc4C@virginia.edu

Hormone Research
|January 21, 2009
PubMed

Insights

Primary aldosteronism, a common cause of secondary hypertension, significantly increases cardiovascular risks like stroke and heart attack. Treatment involves aldosterone normalization, with surgery for unilateral disease and medication for bilateral cases.

Area of Science:

  • Endocrinology
  • Cardiovascular Medicine
  • Nephrology

Background:

  • Primary aldosteronism is the most frequent cause of secondary hypertension, affecting 6-10% of patients.
  • It presents with hypertension, hypokalemia, and renal dysfunction, carrying significantly higher cardiovascular risks than primary hypertension.
  • Patients face increased risks of stroke (4.2-fold), myocardial infarction (6.5-fold), and atrial fibrillation (12.1-fold).

Purpose of the Study:

  • To outline the screening, diagnosis, and management of primary aldosteronism.
  • To highlight the elevated cardiovascular risks associated with primary aldosteronism.
  • To provide an overview of treatment strategies for different forms of the condition.

Main Methods:

  • Screening for primary aldosteronism involves assessing the plasma aldosterone to plasma renin activity ratio, with a ratio >30 indicating a positive result.
  • Diagnosis is confirmed through one of four aldosterone suppression tests.
  • Adrenal venous sampling is used to document lateralization of aldosterone hypersecretion.

Main Results:

  • Management focuses on normalizing aldosterone levels and/or mineralocorticoid blockade.
  • Adrenalectomy is the optimal treatment for unilateral primary aldosteronism.
  • Spironolactone is the preferred treatment for bilateral disease.

Conclusions:

  • Primary aldosteronism requires prompt diagnosis and management due to its significant impact on cardiovascular health.
  • Treatment strategies should be tailored to unilateral or bilateral disease presentation.
  • Effective management can mitigate the heightened risks of stroke, myocardial infarction, and atrial fibrillation.
Abstract

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