Relationship between carotid atherosclerosis and cerebral infarction
Guang-Wen Li1, Guan-Yi Zheng, Jin-Guo Li
1Department of Geriatrics, Union Hospital, Fujian Medical University, Fuzhou 350001, China.
Summary
Carotid atherosclerosis, characterized by plaque formation, is significantly more prevalent in patients with cerebral infarction (CI). Color Doppler ultrasonography of carotid arteries can help predict CI risk.
Area of Science:
- Vascular Medicine
- Neurology
- Diagnostic Imaging
Background:
- Cerebral infarction (CI) is a major cause of disability and mortality.
- Carotid atherosclerosis is a known risk factor for cardiovascular events.
- Understanding the link between carotid atherosclerosis and CI is crucial for prevention.
Purpose of the Study:
- To investigate the association between carotid atherosclerosis and cerebral infarction (CI).
- To evaluate the utility of carotid ultrasonography in assessing CI risk.
Main Methods:
- A case-control study involving 147 CI patients and 48 controls.
- Carotid intima-media thickness (IMT) and plaque presence were assessed using color Doppler ultrasonography.
- Carotid atherosclerosis severity was categorized as normal intima, thickened intima, or plaque formation.
Main Results:
- The CI group exhibited a higher severity of carotid atherosclerosis compared to the control group (P=0.022).
- Soft plaques were more common in CI patients (61.8%), while hard plaques predominated in controls (77.3%) (P=0.001).
- Carotid bifurcation was the most frequent plaque location in both groups.
Conclusions:
- Carotid atherosclerosis serves as an indicator of cerebral artery health and a predictor of CI risk.
- Color Doppler ultrasonography of carotid arteries offers a practical method for CI prevention and management.
Related Concept Videos
01:26Arteries 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...
The internal carotid arteries supply blood to the anterior portion of the cerebrum. They enter the...
01:10The Arch of Aorta
The coronary arteries, originating from the ascending aorta, bifurcate from two sinuses located within the ascending aorta. Positioned just above the aortic semilunar valve, these sinuses house essential aortic baroreceptors and chemoreceptors, crucial for maintaining cardiac function. The left coronary artery and the right coronary artery branch off from the left posterior and anterior aortic sinuses, respectively.
Encircling the heart, the coronary arteries form a ring-like structure before...
Encircling the heart, the coronary arteries form a ring-like structure before...
01:15Ischemic 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.
01:27Atherosclerosis 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)...
01:26Transient 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...
01:15Ischemic 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...