Related Experiment Video

Updated: May 16, 2026

A Novel Method: Super-selective Adrenal Venous Sampling
06:08

A Novel Method: Super-selective Adrenal Venous Sampling

Published on: September 15, 2017

Hypertension caused by primary hyperaldosteronism: increased heart damage and cardiovascular risk

María Abad-Cardiel1, Beatriz Alvarez-Álvarez, Loreto Luque-Fernandez

  • 1Unidad de Hipertensión, Hospital Clínico San Carlos, Instituto de Investigación Sanitaria del Hospital Clínico San Carlos, Madrid, España.

Revista Espanola De Cardiologia (English Ed.)
|November 17, 2012
PubMed

Insights

Primary hyperaldosteronism, a common cause of secondary hypertension, is linked to significant cardiovascular damage. Early diagnosis and treatment improve blood pressure control and reduce cardiac risks.

Area of Science:

  • Endocrinology
  • Cardiology
  • Hypertension Research

Background:

  • Primary hyperaldosteronism is the most frequent cause of secondary hypertension.
  • Elevated aldosterone levels contribute to cardiac damage, increasing cardiovascular morbidity and mortality.
  • Early diagnosis is crucial for altering the disease's progression.

Purpose of the Study:

  • To investigate the clinical characteristics of primary hyperaldosteronism.
  • To assess cardiac damage associated with this condition.
  • To evaluate the cardiovascular risk in patients with primary hyperaldosteronism.

Main Methods:

  • A cohort of 157 patients diagnosed with primary hyperaldosteronism was studied.
  • Echocardiography was performed to assess cardiac damage.
  • A comparison group of 720 essential hypertensive patients was used.

Main Results:

  • Patients with hyperaldosteronism were younger and had higher blood pressure and a greater family history of early cardiovascular disease than essential hypertensives.
  • A higher prevalence of left ventricular hypertrophy and increased cardiovascular risk was observed in the hyperaldosteronism group.
  • Suspected hyperaldosteronism was often due to resistant hypertension, hypokalemia, or hypertensive crises, with few referrals from primary care.

Conclusions:

  • Primary hyperaldosteronism should be suspected in patients with resistant hypertension, hypokalemia, and hypertensive crises.
  • Diagnosing hyperaldosteronism enables improved blood pressure management.
  • Left ventricular hypertrophy is the most common target organ damage in primary hyperaldosteronism.
Abstract

Related Concept Videos

Hypertension II: Pathophysiology01:29

Hypertension II: Pathophysiology

Hypertension is a chronic condition in which the blood's force against artery walls is excessively high, posing risks such as heart disease. The condition's underlying mechanisms involve complex interactions among the cardiovascular, kidney, and autonomic nervous systems.Renin-Angiotensin-Aldosterone System (RAAS): This system significantly influences blood pressure regulation. When blood pressure decreases, the kidneys secrete renin. This enzyme transforms angiotensinogen, a plasma protein,...
Hypertension and Regulation of Blood Pressure01:18

Hypertension and Regulation of Blood Pressure

Hypertension, the most common cardiovascular disease, is diagnosed through repeated measurements of elevated blood pressure. Its risks, including damage to the kidney, heart, and brain, are directly proportional to blood pressure levels. Starting from 115/75 mm Hg, the risk of cardiovascular disease doubles with each increment of 20/10 mm Hg. The diagnosis relies on blood pressure measurements, not on patient symptoms, as hypertension is often asymptomatic until end-organ damage is imminent or...
Antihypertensive Drugs: Potassium-Sparing Diuretics01:28

Antihypertensive Drugs: Potassium-Sparing Diuretics

Liddle syndrome is a genetically inherited form of hypertension characterized by the overactivity of epithelial sodium channels in the nephron, the functional unit of the kidney. This heightened activity leads to increased sodium reabsorption and excessive excretion of potassium. To counteract this, potassium-sparing diuretics such as amiloride are used. They function by blocking these sodium channels, thereby reducing the influx of sodium into the epithelial cells and minimizing the loss of...
Hypertension III: Clinical Manifestations and Diagnostic Studies01:30

Hypertension III: Clinical Manifestations and Diagnostic Studies

Hypertension is asymptomatic and also referred to as the "silent killer" until it progresses to a severe stage or causes target organ disease. Patients may experience symptoms stemming from the strain on blood vessels and tissues in various organs or the heart's increased workload.Physical exams might show no abnormalities other than high blood pressure. Signs of vascular damage, when present, correspond to the organs supplied by the affected vessels, leading to target organ damage. For...
Heart Failure Drugs: Inhibitors of Renin-Angiotensin System01:26

Heart Failure Drugs: Inhibitors of Renin-Angiotensin System

The activation of the sympathetic nervous system and the renin-angiotensin-aldosterone system (RAAS) contributes to cardiac remodeling, and inhibiting the RAAS is a pharmacological target in heart failure management. As a result, neurohumoral modulation is a crucial treatment principle for managing heart failure. This approach involves using medications like ACE inhibitors (ACEIs), angiotensin receptor blockers (ARBs), β-blockers, mineralocorticoid receptor antagonists (MRAs), and neutral...
Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...