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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...
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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...

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Permanent Cerebral Vessel Occlusion via Double Ligature and Transection
08:22

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Published on: July 21, 2013

Reversible cerebral vasoconstriction syndrome.

R Lee1, H Ramadan, J Bamford

  • 1Hawraman Ramadan, Department of Neurology, Bradford Teaching Hospitals NHS FoundationTrust, Bradford, West Yorkshire BD9 6RJ, UK. Hawraman@doctors.org.uk.

The Journal of the Royal College of Physicians of Edinburgh
|October 3, 2013
PubMed
Summary
This summary is machine-generated.

Reversible cerebral vasoconstriction syndrome (RCVS) is a serious condition often missed, causing severe headaches and sometimes neurological issues. This case highlights RCVS presenting with intracerebral hemorrhage, emphasizing the need for accurate diagnosis.

Keywords:
Cerebral vasculitisreversible cerebral vasoconstriction syndromethunderclap headache

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Area of Science:

  • Neurology
  • Vascular Neurology

Background:

  • Reversible cerebral vasoconstriction syndrome (RCVS) is an underdiagnosed neurological disorder.
  • It typically manifests as severe thunderclap headaches, potentially with focal neurological deficits.

Observation:

  • A 55-year-old woman presented with severe headache and multifocal intracerebral hemorrhage.
  • This clinical presentation prompted a review of RCVS diagnostic criteria and differential diagnoses.

Findings:

  • RCVS involves temporary narrowing of cerebral arteries, leading to diverse neurological symptoms.
  • Distinguishing RCVS from other conditions like cerebral vasculitis is crucial for appropriate management.

Implications:

  • Accurate and timely diagnosis of RCVS is essential for preventing complications such as stroke or hemorrhage.
  • Understanding RCVS pathophysiology aids in developing targeted therapeutic strategies and improving patient outcomes.