Related Experiment Videos

[Hypertension as a biological marker of systemic atherosclerotic disease]

Oscar Román A1, Marta Badilla S, Ana María Dussaubat A

  • 1Servicio Cardiovascular, Hospital San Borja-Arriarán, Santiago de Chile. oscarromanalemany@hotmail.com

Revista Medica De Chile
|June 18, 2010
PubMed

Insights

Hypertension and atherosclerosis are closely linked, with early arterial damage preceding high blood pressure. This suggests hypertension may signal underlying atherosclerotic disease, shifting focus to vascular damage for prognosis.

Area of Science:

  • Cardiovascular Medicine
  • Pathophysiology
  • Medical Research

Context:

  • Hypertension and atherosclerosis share common risk factors and a strong pathophysiological link.
  • Vascular damage and target organ injury can occur before significant blood pressure elevation.
  • Current mortality risk assessment for hypertension extends to pre-hypertension levels.

Purpose:

  • To propose a new paradigm for classifying hypertension severity based on vascular damage.
  • To reframe hypertension as a potential marker for evolving atherosclerotic processes.
  • To introduce the concept of "hypertensive atherosclerotic disease" or "systemic atherosclerotic disease".

Summary:

  • Hypertension is intrinsically linked to atherosclerosis, causing damage to target organs.
  • The risk of mortality associated with hypertension increases even below normal blood pressure levels.
  • Initial arterial wall and target organ damage precede significant blood pressure elevation, suggesting hypertension may indicate underlying atherosclerosis.

Impact:

  • This new paradigm shifts the focus from blood pressure values to the extent of vascular damage for prognosis and management.
  • It redefines hypertension as a potential biological marker for the progression of atherosclerotic disease.
  • The concept of "hypertensive atherosclerotic disease" offers a unified approach to understanding and treating systemic vascular damage.

Related Concept Videos

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...
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...
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 I: Introduction01:28

Hypertension I: Introduction

Hypertension is a widespread, long-term medical condition where blood pressure in the arteries remains elevated. It is characterized by systolic blood pressure readings of 130 mm Hg or above or diastolic blood pressure (DBP) readings of 80 mm Hg or higher. Unmanaged hypertension poses significant health risks, making the distinction between primary (or essential) hypertension and secondary hypertension crucial, as their management and implications vary.Primary HypertensionPrimary hypertension,...
Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers01:19

Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers

Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
Coronary Artery Disease I: Introduction01:30

Coronary Artery Disease I: Introduction

Coronary Artery Disease (CAD): An Overview with Scientific InsightsCoronary Artery Disease (CAD), often referred to as C-A-D, is a prevalent blood vessel disorder classified under the broader category of atherosclerosis. Atherosclerosis is a pathological process characterized by the hardening and narrowing of arteries due to the accumulation of atherosclerotic plaques. These plaques are composed of cholesterol, fatty substances, inflammatory cells, calcium, and fibrin, reducing blood flow to...