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Related Concept Videos

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 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.
Hemorrhagic Stroke ll: Pathophysiology01:29

Hemorrhagic Stroke ll: Pathophysiology

A hemorrhagic stroke develops when a cerebral blood vessel ruptures, allowing blood to escape into the surrounding brain tissue, as in intracerebral hemorrhage (ICH), or into the subarachnoid space, as in subarachnoid hemorrhage (SAH). Because the skull is a rigid compartment, the sudden presence of extravascular blood rapidly increases intracranial pressure and compresses adjacent neural structures, leading to immediate tissue injury and impaired cerebral perfusion.Mass Effect and Primary...
Hemorrhagic Stroke l: Introduction01:17

Hemorrhagic Stroke l: Introduction

A hemorrhagic stroke is an acute neurological event that occurs when a weakened cerebral blood vessel ruptures, allowing blood to accumulate within or around the brain. The sudden release of blood forms a focal hematoma that increases intracranial pressure, displaces neural tissue, and can obstruct cerebrospinal fluid pathways. These effects may be compounded by intraventricular extension of the hemorrhage, cerebral edema, or compression of adjacent structures, all of which contribute to...
Blood Studies for Cardiovascular System III: Serum Lipid Profile01:25

Blood Studies for Cardiovascular System III: Serum Lipid Profile

Understanding serum lipids is crucial for maintaining cardiovascular health and preventing heart disease and stroke.
Serum lipids are fats and fatty substances in the blood and are crucial for various bodily functions, including energy storage, cellular structure, and hormone production. Serum lipids consist of cholesterol, triglycerides, and phospholipids.
Cholesterol is a soft, fat-like substance found in all body cells. It is crucial for producing hormones, vitamin D, and substances that aid...
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...

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Related Experiment Video

Updated: Jul 3, 2026

Cell-free Biochemical Fluorometric Enzymatic Assay for High-throughput Measurement of Lipid Peroxidation in High Density Lipoprotein
07:29

Cell-free Biochemical Fluorometric Enzymatic Assay for High-throughput Measurement of Lipid Peroxidation in High Density Lipoprotein

Published on: October 12, 2017

[Lipoprotein (a) and stroke].

M Ferraro1, V Spagnuolo, M Sprovieri

  • 1Unità Operativa di Medicina Interna, Presidio Ospedaliero di San Giovanni in Fiore, Via Gramsci, Cosenza, Italia. maria.ferraro9@tin.it

Minerva Medica
|July 30, 2008
PubMed
Summary
This summary is machine-generated.

Lipoprotein(a) [Lp(a)] is linked to vascular diseases, particularly coronary artery disease, though its role in stroke is uncertain. Current clinical measurement of Lp(a) is not widely useful.

Related Experiment Videos

Last Updated: Jul 3, 2026

Cell-free Biochemical Fluorometric Enzymatic Assay for High-throughput Measurement of Lipid Peroxidation in High Density Lipoprotein
07:29

Cell-free Biochemical Fluorometric Enzymatic Assay for High-throughput Measurement of Lipid Peroxidation in High Density Lipoprotein

Published on: October 12, 2017

Area of Science:

  • Biochemistry
  • Cardiology
  • Genetics

Context:

  • Lipoprotein(a) [Lp(a)], a protein synthesized by the liver, is associated with vascular diseases.
  • Significant individual variability exists in blood Lp(a) levels.
  • The precise role of Lp(a) in atherosclerosis pathogenesis remains under investigation.

Purpose:

  • To explore the relationship between Lipoprotein(a) [Lp(a)] levels and cardiovascular diseases.
  • To discuss the potential mechanisms underlying Lp(a)'s role in atherosclerosis.
  • To evaluate the clinical utility of Lp(a) measurements.

Summary:

  • Lp(a) is strongly correlated with coronary artery disease, but its association with stroke requires further clarification.
  • Hypotheses regarding Lp(a)'s mechanism in atherosclerosis often cite the structural similarity between apolipoprotein(a) and plasminogen.
  • Factors such as fibrinogen and smoking may influence Lp(a) levels.

Impact:

  • Highlights the established link between Lp(a) and coronary artery disease.
  • Underscores the need for further research into Lp(a)'s role in cerebrovascular disease.
  • Questions the current clinical utility of Lp(a) testing in routine practice.