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Related Concept Videos

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,...
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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 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,...
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...
Coronary Artery Disease II: Pathophysiology01:26

Coronary Artery Disease II: Pathophysiology

Coronary Artery Disease (CAD) originates from a series of events that impair the function of coronary arteries, the blood vessels responsible for delivering oxygen-rich blood to the heart muscle. The pathophysiology of CAD is closely linked to atherosclerosis, a chronic inflammatory and lipid-driven condition affecting the vascular endothelium.1. Endothelial DamageThe process begins with damage to the vascular endothelium, which serves as a protective barrier between the blood and the vessel...

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Related Experiment Video

Updated: May 21, 2026

Calcification of Vascular Smooth Muscle Cells and Imaging of Aortic Calcification and Inflammation
08:43

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Published on: May 31, 2016

Vascular calcification and hypertension: cause and effect.

Sundeep S Kalra1, Catherine M Shanahan

  • 1BHF Centre of Research Excellence, Cardiovascular Division, King's College London, UK.

Annals of Medicine
|June 21, 2012
PubMed
Summary

Vascular calcification, a key factor in cardiovascular disease and hypertension, involves complex cellular and molecular mechanisms. Understanding these processes is crucial for developing new treatments to prevent and potentially reverse this condition.

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Area of Science:

  • Cardiovascular Science
  • Vascular Biology
  • Pathophysiology

Background:

  • Vascular calcification is a regulated process linked to cardiovascular disease and hypertension.
  • It occurs in the intima (with atherosclerosis) and media (with aging), contributing to arterial stiffening and isolated systolic hypertension.
  • Vascular calcification is an independent risk factor for cardiovascular mortality.

Purpose of the Study:

  • To elucidate the mechanisms driving vascular calcification.
  • To identify potential therapeutic targets for prevention and regression of vascular calcification.

Main Methods:

  • Review of current understanding of vascular calcification.
  • Analysis of cellular and molecular factors involved in the process.

Main Results:

  • Dysfunctional vascular smooth muscle cells, microvesicles, and altered mineralization inhibitors are key players.
  • Calcification in the intima is associated with atherosclerosis, while medial calcification relates to aging and arterial stiffening.
  • Vascular calcification, irrespective of location, is a significant predictor of cardiovascular mortality.

Conclusions:

  • Vascular calcification is a critical, multifaceted process in cardiovascular disease.
  • Further research into its driving factors and mechanisms can lead to novel therapeutic strategies.