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Related Concept Videos

Veins of Head and Neck01:19

Veins of Head and Neck

The blood drainage from the head and neck is primarily managed by three pairs of veins: the external jugular, internal jugular, and vertebral veins. The external jugular veins drain superficial scalp and face structures, passing over the sternocleidomastoid muscles to empty into the subclavian veins.
On the other hand, the vertebral veins, unlike their arterial counterparts, are not primarily responsible for brain drainage. Instead, they drain the cervical vertebrae, spinal cord, and some small...
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...
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...
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...
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...
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...

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Related Experiment Videos

Cerebral sinus-venous thrombosis.

Ida Martinelli1, Serena Maria Passamonti, Elena Rossi

  • 1Department of Internal Medicine and Medical Specialities, Angelo Bianchi Bonomi Hemophilia and Thrombosis Center, Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, Via Pace, 9, 20122, Milan, Italy. martin@policlinico.mi.it

Internal and Emergency Medicine
|October 18, 2012
PubMed
Summary

Cerebral sinus-venous thrombosis (CSVT) is a rare but serious condition. Early diagnosis and anticoagulant treatment improve survival, though optimal treatment duration requires further study.

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Area of Science:

  • Neurology
  • Hematology
  • Vascular Medicine

Background:

  • Cerebral sinus-venous thrombosis (CSVT) is a rare, potentially fatal condition affecting adults and neonates.
  • Risk factors include oral contraceptives, pregnancy, puerperium, infections, trauma, and unprovoked cases.
  • Thrombophilic abnormalities and myeloproliferative neoplasms are associated with CSVT.

Purpose of the Study:

  • To review the current understanding of cerebral sinus-venous thrombosis (CSVT).
  • To highlight the importance of early diagnosis and anticoagulant therapy.
  • To address the uncertainties regarding optimal anticoagulant treatment duration.

Main Methods:

  • Literature review of existing evidence on CSVT.
  • Analysis of risk factors, clinical presentation, and diagnostic approaches.
  • Evaluation of treatment strategies and outcomes.

Main Results:

  • CSVT incidence is low but significant, predominantly affecting females due to risk factors like oral contraceptive use and pregnancy.
  • Inherited and acquired thrombophilias, hyperhomocysteinemia, and myeloproliferative neoplasms are relevant underlying conditions.
  • Early diagnosis and anticoagulation are associated with reduced morbidity and improved survival.

Conclusions:

  • CSVT necessitates prompt diagnosis and management with anticoagulants to improve patient outcomes.
  • Further research is needed to establish the optimal duration of anticoagulant therapy due to limited data on recurrence rates after discontinuation.