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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...
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...
Stroke: Introduction and Types01:29

Stroke: Introduction and Types

A stroke is an acute neurological event caused by the sudden disruption of cerebral blood flow, leading to rapid loss of neuronal function. Neurons depend on continuous oxygen and glucose supply, so even brief interruptions can cause irreversible injury within minutes. Strokes are classified into ischemic and hemorrhagic types.Ischemic StrokeIschemic strokes are most common and occur due to arterial occlusion, depriving brain tissue of oxygen and nutrients. This leads to energy failure, ionic...
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...
Cerebral Edema l: Introduction01:19

Cerebral Edema l: Introduction

Cerebral edema is a pathological increase in brain water content that disrupts intracranial pressure regulation and impairs neurological function. Because the cranial vault is rigid, even modest increases in tissue volume can compromise cerebral perfusion, distort neural structures, and initiate secondary injury. Cerebral edema develops through four principal mechanisms: vasogenic, cytotoxic, interstitial, and ionic.Vasogenic EdemaVasogenic edema arises from disruption of the blood–brain...

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Related Experiment Video

Updated: May 11, 2026

Transient Middle Cerebral Artery Occlusion Model of Neonatal Stroke in P10 Rats
07:56

Transient Middle Cerebral Artery Occlusion Model of Neonatal Stroke in P10 Rats

Published on: April 21, 2017

Cerebrorenal interaction and stroke.

Kazunori Toyoda1

  • 1Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Osaka, Japan. toyoda@hsp.ncvc.go.jp

Contributions to Nephrology
|May 17, 2013
PubMed
Summary

Chronic kidney disease (CKD) significantly elevates stroke risk, impacting patient management and outcomes. Understanding this cerebro-renal interaction is crucial for effective cardiovascular and kidney disease care.

Area of Science:

  • Nephrology
  • Neurology
  • Cardiovascular Medicine

Background:

  • Chronic kidney disease (CKD) is an established risk factor for cardiovascular diseases, particularly stroke.
  • Proteinuria/albuminuria and reduced glomerular filtration rate (GFR) are linked to increased stroke risk.
  • CKD is highly prevalent in acute stroke patients, affecting nearly half of ischemic stroke cases.

Discussion:

  • CKD is associated with subclinical brain damage, including white matter changes, microbleeds, and cognitive impairment.
  • Renal function influences the efficacy of stroke treatments, including novel oral anticoagulants.
  • Stroke is more common in end-stage kidney disease (ESKD) patients due to dialysis-specific factors and comorbidities.

Key Insights:

  • Proteinuria/albuminuria increases stroke risk by 71-92%; reduced GFR increases risk by 43%.

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Permanent Cerebral Vessel Occlusion via Double Ligature and Transection
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Permanent Cerebral Vessel Occlusion via Double Ligature and Transection

Published on: July 21, 2013

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Last Updated: May 11, 2026

Transient Middle Cerebral Artery Occlusion Model of Neonatal Stroke in P10 Rats
07:56

Transient Middle Cerebral Artery Occlusion Model of Neonatal Stroke in P10 Rats

Published on: April 21, 2017

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

Permanent Cerebral Vessel Occlusion via Double Ligature and Transection

Published on: July 21, 2013

  • CKD impacts stroke management, affecting antithrombotic and thrombolytic therapies.
  • Dialysis patients face heightened stroke risk from hemodynamic changes, anticoagulants, and vascular calcification.

    • Outlook:

    • Further research into the cerebro-renal interaction is essential for improving patient care.
    • Enhanced understanding of CKD's role in stroke can lead to better preventative strategies.
    • Clinicians must prioritize the association between CKD and cerebrovascular diseases.