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Related Concept Videos

Cerebral Edema ll: Pathophysiology01:22

Cerebral Edema ll: Pathophysiology

Vasogenic edema is a major form of cerebral edema characterized by abnormal accumulation of fluid in the brain’s extracellular space due to disruption of the blood–brain barrier (BBB). The BBB is a specialized structure composed of endothelial cells connected by tight junctions, supported by astrocytic endfeet and a basement membrane. Under normal conditions, it tightly regulates the movement of ions, proteins, and solutes between the bloodstream and brain parenchyma. When this barrier loses...
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...
Venous Thrombosis I: Introduction01:30

Venous Thrombosis I: Introduction

Venous thrombosis, the most common disorder of the veins, involves the formation of a thrombus or blood clot associated with vein inflammation. It can be classified as either superficial vein thrombosis or deep vein thrombosis.Superficial Vein Thrombosis: This involves the formation of a thrombus in a superficial vein, usually the greater or lesser saphenous vein. Though less severe than deep vein thrombosis (DVT), SVT can lead to complications if untreated.Deep Vein Thrombosis (DVT): This...
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...
Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies01:20

Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies

The key difference between Superficial Vein Thrombosis (SVT) and Deep Vein Thrombosis (DVT) lies in their location and severity.Clinical ManifestationsSVT typically presents with localized pain, tenderness, and redness along the course of a superficial vein, often accompanied by a palpable, cord-like structure under the skin. This condition is usually less dangerous than DVT but can be uncomfortable and may lead to complications such as cellulitis or, rarely, a clot extension into the deep...
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...

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Related Experiment Video

Updated: Jun 18, 2026

A Thrombotic Stroke Model Based On Transient Cerebral Hypoxia-ischemia
06:01

A Thrombotic Stroke Model Based On Transient Cerebral Hypoxia-ischemia

Published on: August 18, 2015

[Cerebral venous thrombosis: when etiology makes the difference].

A Alonso-Cánovas1, J Masjuan, J González-Valcárcel

  • 1Servicio de Neurología, Unidad de Ictus, Madrid.

Neurologia (Barcelona, Spain)
|November 19, 2009
PubMed
Summary

Cerebral vein and sinus thrombosis (CVST) is a serious condition. Infectious and neoplastic causes of CVST are linked to poor outcomes, highlighting the need for early diagnosis and treatment.

Related Experiment Videos

Last Updated: Jun 18, 2026

A Thrombotic Stroke Model Based On Transient Cerebral Hypoxia-ischemia
06:01

A Thrombotic Stroke Model Based On Transient Cerebral Hypoxia-ischemia

Published on: August 18, 2015

Area of Science:

  • Neurology
  • Vascular Neurology
  • Thrombosis

Context:

  • Cerebral vein and sinus thrombosis (CVST) is a rare but potentially devastating neurological emergency.
  • Understanding the diverse etiologies and clinical features of CVST is crucial for effective management.
  • This study examines a large cohort of CVST cases over a significant period.

Purpose:

  • To retrospectively analyze the clinical, etiological, diagnostic, and prognostic factors of cerebral vein and sinus thrombosis (CVST).
  • To identify risk factors and outcomes associated with CVST in a university hospital setting.

Summary:

  • A retrospective study of 79 patients with confirmed CVST revealed thrombophilia in 27.8%.
  • Common causes included prothrombotic drugs (20%), infection (17%), and malignancy (13%).
  • Intracranial hypertension (83.5%) and focal deficits (45.6%) were primary symptoms; 13.9% mortality was observed, with neoplastic and infectious origins linked to worse outcomes.

Impact:

  • This research provides valuable insights into the epidemiology and clinical spectrum of CVST.
  • Findings emphasize the association between specific etiologies (neoplastic, infectious) and adverse outcomes.
  • Results can inform clinical practice, improving diagnosis and management strategies for CVST patients.