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Related Concept Videos

Atherosclerosis I: Introduction01:30

Atherosclerosis I: Introduction

Atherosclerosis is a progressive disorder characterized by the buildup of plaques on the arterial inner wall, causing them to narrow and harden over time. These plaques comprise lipids, calcium, blood components, carbohydrates, and fibrous tissue. The process primarily affects the intima of large and medium-sized arteries, reducing blood flow in any artery.Etiology and risk factorsThe cause of atherosclerosis is multifactorial, involving a complex interplay among endothelial injury, lipid...
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...
Atherosclerosis II: Clinical Manifestations and Diagnostic Tests01:27

Atherosclerosis II: Clinical Manifestations and Diagnostic Tests

Atherosclerosis is a progressive disorder that leads to the thickening and narrowing of arterial walls due to plaque buildup. This condition can cause various symptoms depending on the arteries affected:Coronary Artery Disease (CAD): This condition affects the coronary arteries and may lead to chest pain (angina), shortness of breath (dyspnea), heart attacks, and other heart disease symptoms.Cerebrovascular Disease: This affects blood flow to the brain, causing transient ischemic attacks (TIAs)...
Atherosclerosis III: Management01:26

Atherosclerosis III: Management

Management of atherosclerosis involves an integrated strategy encompassing pharmacological treatment, surgical interventions, lifestyle changes, and nutrition therapy to address the multifactorial nature of the disease.Pharmacological TherapyA cornerstone of atherosclerosis management is the use of pharmacological agents. Statins, such as atorvastatin, are pivotal in inhibiting HMG-CoA reductase, an enzyme that catalyzes an initial step in cholesterol synthesis in the liver. This reduction in...
Atherosclerosis IV: Nursing Management01:23

Atherosclerosis IV: Nursing Management

Nursing management for a patient with arteriosclerosis involves a comprehensive approach focusing on lifestyle modification, disease monitoring, education, and symptomatic care. Here is an overview of effective nursing strategies:Assessment and Monitoring: Initial and ongoing assessments are crucial. Nurses must document the patient's medical history, including any hypertension, diabetes, hyperlipidemia, and other cardiovascular diseases. Assessments also cover family history and lifestyle...
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 26, 2026

Quantitative Analysis and Characterization of Atherosclerotic Lesions in the Murine Aortic Sinus
06:43

Quantitative Analysis and Characterization of Atherosclerotic Lesions in the Murine Aortic Sinus

Published on: December 7, 2013

Risk factors for lacune subtypes in the Atherosclerosis Risk in Communities (ARIC) Study.

D C Bezerra1, A R Sharrett, K Matsushita

  • 1danielcbezerra@gmail.com

Neurology
|December 16, 2011
PubMed
Summary
This summary is machine-generated.

Diabetes and HbA1c are linked to smaller lacunar infarcts, while LDL cholesterol is associated with larger ones. These findings differentiate risk factors for cerebral microvascular disease subtypes.

Related Experiment Videos

Last Updated: May 26, 2026

Quantitative Analysis and Characterization of Atherosclerotic Lesions in the Murine Aortic Sinus
06:43

Quantitative Analysis and Characterization of Atherosclerotic Lesions in the Murine Aortic Sinus

Published on: December 7, 2013

Area of Science:

  • Neurology
  • Vascular Biology
  • Medical Imaging

Background:

  • Lacunar infarctions stem from lipohyalinosis and microatheroma.
  • Risk factor distinctions between these lacunar infarction subtypes are not well understood.

Purpose of the Study:

  • To investigate differing risk factors for lipohyalinotic versus microatheroma lacunar infarction subtypes.
  • To test the hypothesis that diabetes and HbA1c are preferentially associated with lipohyalinosis.

Main Methods:

  • Cross-sectional analysis of 1,827 participants' brain MRI data from the Atherosclerosis Risk in Communities study.
  • Categorization of subcortical lesions by size (≤7 mm for lipohyalinosis, 8-20 mm for microatheroma), including analysis of lesions <3 mm.
  • Poisson regression modeling to assess associations between lesion counts and risk factors.

Main Results:

  • Smaller lesions (≤7 mm and <3 mm) were associated with diabetes, HbA1c, older age, black ethnicity, hypertension, and smoking.
  • Larger lesions (8-20 mm) were associated with older age, hypertension, smoking, and LDL cholesterol.
  • Smoking history and LDL cholesterol remained significant for larger lesions in analyses restricted to participants with lesions.

Conclusions:

  • Distinct risk factor profiles for small (diabetes, HbA1c) and large (LDL cholesterol) lacunar infarcts support etiological theories.
  • Findings enhance understanding of cerebral microvascular disease mechanisms and risk stratification.