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An Update on Familial Hyperaldosteronism.

Hormone and metabolic research = Hormon- und Stoffwechselforschung = Hormones et metabolisme·2015
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[Hyperaldosteronism].

U I Scholl1,2

  • 1Medizinische Klinik mit Schwerpunkt Nephrologie und Internistische Intensivmedizin, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Charitéplatz 1, 10117, Berlin, Deutschland. ute.scholl@charite.de.

Der Internist
|February 18, 2021
PubMed
Summary
This summary is machine-generated.

Primary aldosteronism, a common cause of secondary hypertension, involves adrenal gland overproduction of aldosterone. Early detection via aldosterone/renin ratio and genetic insights improve diagnosis and treatment for better cardiovascular outcomes.

Keywords:
Adrenocortical adenomaAldosteroneMineralocorticoid receptor antagonistsMutationRenin

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Area of Science:

  • Endocrinology
  • Cardiovascular Medicine
  • Genetics

Background:

  • Aldosterone, produced by the adrenal cortex, regulates electrolyte balance and blood volume.
  • Primary aldosteronism, a leading cause of secondary hypertension, significantly elevates cardiovascular risk.
  • Key subtypes include aldosterone-producing adenomas (unilateral) and bilateral adrenal hyperplasia.

Purpose of the Study:

  • To review the causes, diagnosis, and management of primary and secondary hyperaldosteronism.
  • To highlight recent advances in understanding the genetic basis of aldosterone-producing adenomas and familial hyperaldosteronism.
  • To emphasize the clinical significance of primary aldosteronism in secondary hypertension.

Main Methods:

  • Screening with the aldosterone/renin ratio.
  • Confirmatory testing and adrenal imaging.
  • Adrenal venous sampling for lateralization.
  • Genetic analysis for somatic and germline mutations.

Main Results:

  • Somatic mutations in ion channels/transporters are identified causes of aldosterone-producing adenomas and cell clusters.
  • Germline mutations in overlapping genes are linked to familial hyperaldosteronism.
  • Adrenal venous sampling is crucial for differentiating unilateral from bilateral disease.

Conclusions:

  • Primary aldosteronism requires accurate diagnosis due to its association with increased cardiovascular risk.
  • Surgical or medical management depends on unilateral vs. bilateral disease and patient candidacy.
  • Advances in genetic understanding are refining the diagnosis and classification of hyperaldosteronism subtypes.