[Concentrations of serum HDL subfractions and apolipoprotein B in ischemic cerebrovascular disease]

Zhonghua Shen Jing Jing Shen Ke Za Zhi = Chinese Journal of Neurology and Psychiatry
|February 1, 1990
PubMed

Insights

Reduced high-density lipoprotein (HDL) subfractions and elevated apolipoprotein B (ApoB) are linked to ischemic cerebrovascular disease (ICVD). These lipoprotein abnormalities may precede stroke, suggesting early intervention could prevent it.

Area of Science:

  • Biochemistry
  • Neurology
  • Cardiovascular Medicine

Context:

  • Ischemic cerebrovascular disease (ICVD) poses a significant health challenge.
  • Lipoprotein metabolism, particularly HDL subfractions and apolipoprotein B (ApoB), plays a crucial role in cardiovascular health.
  • Understanding these markers in ICVD survivors is vital for risk stratification and prevention.

Purpose:

  • To investigate the concentrations of HDL subfractions (HDL2, HDL3) and ApoB in ICVD survivors.
  • To correlate these lipid levels with arterial lesion sites, infarct volume, and disease stage.
  • To explore the potential of these markers in predicting or preventing stroke.

Summary:

  • 127 ICVD survivors showed significantly reduced HDL subfractions (HDL2, HDL3) and elevated ApoB compared to controls.
  • Lipoprotein abnormalities appeared to exist prior to stroke onset, with no significant difference between acute and recovery stages.
  • Lower HDL-C levels were observed in the cortical artery group versus the perforating artery group, and reductions correlated inversely with infarct volume.

Impact:

  • Findings suggest that altered HDL subfractions and ApoB levels are associated with ICVD.
  • These lipoprotein abnormalities may predate stroke, highlighting potential for early detection.
  • Determining HDL subfractions and ApoB concentrations and correcting metabolic abnormalities could aid in stroke prevention or delay.

Related Concept Videos

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...
Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers01:19

Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers

Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
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)...
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...