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A Novel Method: Super-selective Adrenal Venous Sampling

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Published on: September 15, 2017

Pathophysiology of bilateral hyperaldosteronism.

Kazutaka Nanba^1,2, William E Rainey^2,3

¹Department of Endocrinology and Metabolism, National Hospital Organization Kyoto Medical Center, Kyoto, Japan.

Current Opinion in Endocrinology, Diabetes, and Obesity

|May 27, 2022

Summary

Primary aldosteronism (PA) causes secondary hypertension due to renin-independent aldosterone. Recent research clarifies the molecular causes of bilateral PA, paving the way for better diagnostics and personalized treatments.

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Area of Science:

Endocrinology
Molecular Biology
Hypertension Research

Background:

Primary aldosteronism (PA) is a frequent cause of secondary hypertension, characterized by renin-independent aldosterone production.
Bilateral forms of PA, including sporadic bilateral hyperaldosteronism (BHA) and familial hyperaldosteronism, are increasingly recognized.

Purpose of the Study:

To review recent advancements in understanding the pathophysiology of bilateral PA.
To summarize findings on sporadic and familial forms of bilateral hyperaldosteronism.

Main Methods:

Review of recent scientific literature on PA pathophysiology.
Analysis of findings from whole exome sequencing and histological studies.

Main Results:

Sporadic BHA is associated with aldosterone synthase (CYP11B2)-expressing micronodules, often harboring somatic mutations.
Other contributing factors to sporadic BHA include germline variants, autoantibodies, and paracrine activation.
Whole exome sequencing has identified novel genes implicated in familial PA.

Conclusions:

Recent research has significantly enhanced the understanding of bilateral PA's molecular pathogenesis over the last decade.
Improved knowledge of BHA pathogenesis will drive the development of personalized treatments and advanced diagnostic tools for PA patients.