Related Experiment Video

Updated: Jul 23, 2026

Performing Permanent Distal Middle Cerebral with Common Carotid Artery Occlusion in Aged Rats to Study Cortical Ischemia with Sustained Disability
09:11

Performing Permanent Distal Middle Cerebral with Common Carotid Artery Occlusion in Aged Rats to Study Cortical Ischemia with Sustained Disability

Published on: February 23, 2016

Racial disparities in severity of cerebrovascular events

K V Kuhlemeier1, S A Stiens

  • 1Department of Rehabilitation Medicine, Johns Hopkins University, Baltimore, Md 21239.

Stroke
|November 1, 1994
PubMed

Insights

Black individuals hospitalized for cerebrovascular events experienced more severe outcomes than white individuals. This disparity was evident across multiple health indicators, highlighting a critical area for further investigation and intervention.

Area of Science:

  • Neuroscience
  • Public Health
  • Health Disparities

Background:

  • Cerebrovascular events represent a significant public health concern.
  • Understanding demographic differences in stroke severity is crucial for targeted interventions.

Purpose of the Study:

  • To investigate racial disparities in the severity of cerebrovascular events.
  • To compare stroke severity between Black and White patients hospitalized for cerebrovascular events.

Main Methods:

  • Utilized Maryland Health Services Cost Review Commission data.
  • Analyzed incidence of coma, death rates, age at death, and length of stay.
  • Adjusted for sex and age in the analysis of acute hemorrhagic and occlusive stroke.

Main Results:

  • Black patients exhibited more severe cerebrovascular events compared to White patients across most measured indices.
  • Statistical significance (P < .05 or less) was observed for the majority of severity indicators.
  • An exception was noted in the number of deaths among patients with hemorrhagic stroke during short-term hospitalization.

Conclusions:

  • Hospitalized Black patients in Maryland experienced more severe strokes than their White counterparts.
  • The findings underscore significant racial disparities in cerebrovascular event severity.
  • Further research is warranted to explore the underlying causes and implications of these disparities.
Abstract

More Related Videos

Evaluation of the Cognitive Performance of Hypertensive Patients with Silent Cerebrovascular Lesions07:30

Evaluation of the Cognitive Performance of Hypertensive Patients with Silent Cerebrovascular Lesions

Published on: April 23, 2021

A Rat Model of Middle Cerebral Artery Occlusion/Reperfusion Without Damaging the Anatomical Structure of Cerebral Vessels06:10

A Rat Model of Middle Cerebral Artery Occlusion/Reperfusion Without Damaging the Anatomical Structure of Cerebral Vessels

Published on: May 17, 2024

Related Concept Videos

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...
Ischemic Stroke l: Introduction01:15

Ischemic Stroke l: Introduction

Ischemic stroke is an acute cerebrovascular condition in which blood flow to a brain region is suddenly interrupted, leading to tissue infarction. Neurons depend on continuous oxygen and glucose supply, so even brief reductions in perfusion cause energy failure, ionic imbalance, and irreversible injury. Ischemic strokes are classified into thrombotic and embolic types based on their underlying mechanisms.Thrombotic MechanismsThrombotic stroke develops when a clot forms within a cerebral artery.
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...
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...
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...
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...