Related Experiment Videos

Acquired and congenital risk factors associated with cerebral venous sinus thrombosis

Robert D McBane1, Alfonso Tafur, Waldemar E Wysokinski

  • 1Division of Cardiovascular Medicine, Department of Biochemistry and Molecular Biology, Mayo Clinic and Foundation for Education and Research, Rochester, MN 55905, USA. mcbane.robert@mayo.edu

Thrombosis Research
|June 15, 2010
PubMed

Insights

Cerebral venous sinus thrombosis is an exception to typical venous thrombosis causes, often linked to female-specific factors and genetic mutations. Understanding these risk factors is key for clinical management and preventing recurrence.

Area of Science:

  • Neurology
  • Hematology
  • Genetics

Background:

  • Venous thrombosis typically arises from local organ system pathology.
  • Cerebral venous sinus thrombosis (CVST) presents an exception, with diverse underlying causes.
  • A significant female predilection and association with hormonal factors are observed in CVST.

Purpose of the Study:

  • To review acquired and congenital risk factors for cerebral venous sinus thrombosis.
  • To aid clinicians in identifying underlying mechanisms of CVST.
  • To assist in risk stratification for anticoagulation and recurrence prediction.

Main Methods:

  • Comprehensive literature review of acquired and congenital risk factors for CVST.
  • Analysis of epidemiological data and genetic predispositions.
  • Synthesis of clinical observations regarding hormonal influences and thrombosis.

Main Results:

  • CVST etiology is multifactorial, involving both acquired and inherited risk factors.
  • Hormonal manipulation, pregnancy, and the puerperium are significant risk factors in women.
  • Genetic factors like Factor V Leiden and prothrombin G20210A mutations, alongside hyperhomocysteinemia, contribute to CVST risk, especially when combined with acquired factors.

Conclusions:

  • CVST pathogenesis is complex and distinct from typical venous thrombosis.
  • Identifying specific risk factors is crucial for targeted clinical management and patient counseling.
  • Further research into the interplay of genetic and hormonal factors may elucidate CVST mechanisms and improve treatment strategies.

Related Concept Videos

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...
Varicose Veins I: Introduction01:26

Varicose Veins I: Introduction

Varicose veins, or varicosities, are abnormally dilated and twisted superficial veins caused by venous valve incompetence. This condition commonly affects the lower extremities, especially the saphenous veins, due to the higher pressure from prolonged standing and walking. However, varicosities can also occur in other areas, such as the esophagus, vulva, spermatic cords, and anorectal region.Etiology and typesPrimary varicose veins, often idiopathic, are more common in women due to inherent...
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...
Increased Intracranial Pressure l: Introduction01:14

Increased Intracranial Pressure l: Introduction

Intracranial hypertension is a sustained elevation of intracranial pressure (ICP) above 22 mm Hg. In supine adults, normal ICP is ~7–15 mm Hg.The rigid, nonexpandable cranium contains three components—brain tissue, blood, and cerebrospinal fluid (CSF)—that total ~1,700 mL in a typical adult: 1,400 mL brain (~80%), 150 mL blood (~10%), and 150 mL CSF (~10%). According to the Monro–Kellie doctrine, total intracranial volume is effectively fixed. When one component expands, CSF and venous blood...