Carotid disease in acute ischemic stroke patients of northern Israel

G Telman1, E Sprecher, E Kouperberg

  • 1Department of Neurology, Rambam Medical Center, Haifa, Israel. g_telman@rambam.health.gov.il

Insights

Demographic factors like age and male gender, along with vascular risks such as diabetes, hyperlipidemia, and smoking, are key predictors of carotid disease in stroke patients. Ethnicity did not significantly influence these findings.

Area of Science:

  • Neurology
  • Vascular Medicine
  • Epidemiology

Background:

  • Carotid artery disease is a significant risk factor for acute ischemic stroke.
  • Thrombosis and embolism originating from carotid plaques frequently lead to stroke.

Purpose of the Study:

  • To identify factors associated with carotid artery disease in patients experiencing acute ischemic stroke.
  • To investigate the role of demographic and vascular risk factors in carotid plaque development.

Main Methods:

  • A cohort of 1378 acute ischemic stroke patients was analyzed.
  • Cervical ultrasound was used to diagnose the presence of carotid plaques.
  • Logistic regression analysis was employed to determine independent predictors.

Main Results:

  • Age, male gender, diabetes, hyperlipidemia, and smoking were identified as independent predictors of carotid plaque.
  • Male gender showed a strong association with carotid stenosis (≥50%) and symptomatic plaques.
  • Age was the sole independent factor affecting the extent of carotid disease (bilateral vs. unilateral).
  • Initial ethnic differences in plaque prevalence (Jews vs. Arabs) were not significant after logistic regression.

Conclusions:

  • Demographic characteristics (age, gender) and vascular risk factors (diabetes, smoking, hyperlipidemia) are crucial determinants of carotid disease.
  • These factors are more influential than ethnic disparities in the studied population.
  • Understanding these determinants can aid in stroke prevention strategies.
Abstract

Related Concept Videos

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.
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...
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...
Ischemic Heart Disease: Overview01:17

Ischemic Heart Disease: Overview

Ischemic heart disease occurs when the heart's blood supply dwindles, causing an ominous lack of oxygen and nutrients. This deficiency, stemming from reduced or obstructed blood flow, spells danger, leading to heart muscle damage and dysfunction.
Atherosclerosis, the primary malefactor, orchestrates this dangerous condition. It manifests as the accumulation of fatty deposits, akin to insidious plaques, within arterial walls. As time elapses, these plaques metamorphose, hardening and narrowing...
Arteries of the Head and Neck01:26

Arteries of the Head and Neck

The human body's intricate network of arteries ensures that every organ system receives the necessary oxygen and nutrients for optimal function. The arterial network in the head and neck region is particularly complex, providing vital blood flow to the brain, eyes, and other critical structures. Prominent arteries in this region include the internal carotid arteries and the vertebral arteries.
The internal carotid arteries supply blood to the anterior portion of the cerebrum. They enter the...
Acute Coronary Syndrome III: Diagnostic Studies01:30

Acute Coronary Syndrome III: Diagnostic Studies

Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...