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Related Concept Videos

Atherosclerosis I: Introduction01:30

Atherosclerosis I: Introduction

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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...
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Coronary Artery Disease II: Pathophysiology01:26

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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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Peripheral Artery Disease I: Introduction01:30

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Peripheral artery disease (PAD) predominantly results from atherosclerosis, which involves the accumulation of fatty deposits, or plaques, within the walls of arteries. This causes them to narrow and harden, significantly reducing blood flow. PAD predominantly affects the legs, particularly the arteries supplying the thighs and calves. In rare cases, it may involve other arteries, including those in the arms.Etiology of PAD:The principal cause of PAD is atherosclerosis, which results from fatty...
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Angina II: Classification01:27

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Angina, also known as angina pectoris, is a chest pain resulting from diminished blood flow to the heart muscle and is often a symptom of coronary artery disease. Angina presents several variants with distinctive attributes, etiologies, and therapeutic approaches. The main types of angina include stable, unstable, variant (Prinzmetal's), microvascular, intractable, and silent ischemia.Stable angina is caused by atherosclerosis, which leads to the formation of plaques that narrow the coronary...
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Coronary Artery Disease I: Introduction01:30

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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...
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The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...
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Related Experiment Video

Updated: Aug 23, 2025

A Rat Carotid Artery Pressure-Controlled Segmental Balloon Injury with Periadventitial Therapeutic Application
06:53

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The Unstable Carotid Plaque.

Salim Habib1, Muhammad Saad Hafeez1, Theodore H Yuo2

  • 1Department of Vascular Surgery, University of Pittsburgh Medical Center, 200 Lothrop Street, Pittsburgh, PA 15213, USA; Division of Vascular Surgery, Department of Surgery, University of Pittsburgh School of Medicine, UPMC Presbyterian Hospital, 200 Lothrop Street, Pittsburgh, PA 15143, USA.

Anesthesiology Clinics
|November 3, 2022
PubMed
Summary
This summary is machine-generated.

Carotid revascularization helps prevent stroke in patients with significant carotid stenosis. Careful patient selection and plaque assessment are crucial for optimizing outcomes and minimizing perioperative stroke risks.

Keywords:
Anesthesia managementCardiac and noncardiac surgeryPerioperative strokeUnstable carotid plaque

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Area of Science:

  • Vascular Surgery
  • Neurology
  • Anesthesiology

Background:

  • Carotid stenosis poses a risk for cerebrovascular events.
  • Carotid revascularization aims to mitigate these risks.
  • Patient selection is critical due to perioperative stroke risks.

Purpose of the Study:

  • To review patient selection criteria for carotid revascularization.
  • To discuss the role of plaque characteristics in risk stratification.
  • To evaluate the safety of different anesthesia techniques.

Main Methods:

  • Literature review of carotid stenosis management.
  • Analysis of plaque characteristics and rupture tendency.
  • Assessment of perioperative stroke rates with various anesthesia types.

Main Results:

  • Symptomatic (>50%) and asymptomatic (>70%) stenosis warrant consideration for revascularization.
  • Plaque texture is a key indicator of rupture risk.
  • All anesthesia techniques are safe with appropriate patient selection.

Conclusions:

  • Careful patient selection is paramount for successful carotid revascularization.
  • Plaque characteristics aid in identifying high-risk individuals.
  • Anesthesia choice should be tailored to the individual patient profile.