Association of carotid plaque echogenicity with recurrence of ischemic stroke

Amit Shankar Singh1, Virendra Atam, Nirdesh Jain

  • 1Department of Medicine, King George's Medical University, Lucknow, Uttar Pradesh, India.

Insights

Echolucent carotid plaques indicate advanced atherosclerosis and are linked to recurrent ischemic stroke. This finding helps identify high-risk patients for targeted stroke prevention strategies.

Area of Science:

  • Vascular Neurology
  • Cardiovascular Medicine
  • Medical Imaging

Background:

  • Atherosclerosis contributes to cardiovascular and cerebrovascular events, including cerebral infarction.
  • Recurrent ischemic stroke risk is associated with atherosclerotic burden, specifically carotid plaque presence and echogenicity.

Purpose of the Study:

  • To investigate the relationship between carotid plaque echogenic characteristics and stroke recurrence in ischemic stroke patients.

Main Methods:

  • Carotid sonography with a 7.5 MHz high-resolution gray-scale technique was employed to assess plaque occurrence and echogenicity.
  • Patients were monitored for 6 months to determine stroke recurrence and its correlation with plaque echogenicity.

Main Results:

  • A significant association was observed between plaque presence and established cerebrovascular risk factors.
  • Echolucent carotid plaque characteristics showed a significant association with stroke recurrence in bivariate analysis (P = 0.0028).

Conclusions:

  • Stroke recurrence is linked to advanced atherosclerosis, as indicated by carotid plaque characteristics.
  • Identifying patients with echolucent plaques can aid in risk stratification and the development of preventative strategies for recurrent stroke.
Abstract

Related Concept Videos

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT01:25

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT

Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
Ischemic Stroke l: Introduction01:15

Ischemic Stroke l: Introduction

Ischemic stroke is an acute cerebrovascular condition in which blood flow to a brain region is suddenly interrupted, leading to tissue infarction. Neurons depend on continuous oxygen and glucose supply, so even brief reductions in perfusion cause energy failure, ionic imbalance, and irreversible injury. Ischemic strokes are classified into thrombotic and embolic types based on their underlying mechanisms.Thrombotic MechanismsThrombotic stroke develops when a clot forms within a cerebral artery.
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...
Ischemic Stroke ll: Pathophysiology01:15

Ischemic Stroke ll: Pathophysiology

An ischemic stroke occurs when a cerebral blood vessel becomes obstructed, most often by a thrombus or embolus, interrupting the delivery of oxygen and glucose to brain tissue. Because neurons rely on continuous aerobic metabolism, energy failure begins within minutes of reduced perfusion. The region receiving the least blood flow becomes the infarct core, an area of irreversible cellular death. Surrounding this core lies the penumbra, a zone of hypoperfused but still viable tissue that is...
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)...
Transient Ischemic Attack l: Introduction01:26

Transient Ischemic Attack l: Introduction

A transient ischemic attack (TIA) is a brief episode of neurological dysfunction caused by a temporary, focal reduction in cerebral blood flow. Although symptoms resemble those of an ischemic stroke, the interruption in perfusion is short-lived and does not cause permanent infarction. TIAs are clinically important because they often serve as early warning events for future stroke.Mechanisms of Transient Cerebral IschemiaTransient cerebral ischemia may arise through several mechanisms. One...