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Related Concept Videos

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...

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Related Experiment Video

Updated: Jun 4, 2026

Determining the Functional Status of the Corticospinal Tract Within One Week of Stroke
09:10

Determining the Functional Status of the Corticospinal Tract Within One Week of Stroke

Published on: February 22, 2020

Ethnicity and functional outcome after stroke.

Harry McNaughton1, Valery Feigin, Ngaire Kerse

  • 1Medical Research Institute of New Zealand, PO Box 7902, Wellington 6242, New Zealand. harry.mcnaughton@mrinz.ac.nz

Stroke
|February 12, 2011
PubMed
Summary

Ethnicity impacts stroke recovery. Asian and Pacific individuals experienced poorer functional outcomes 6 months post-stroke compared to Europeans, highlighting ethnic disparities in stroke rehabilitation.

Related Experiment Videos

Last Updated: Jun 4, 2026

Determining the Functional Status of the Corticospinal Tract Within One Week of Stroke
09:10

Determining the Functional Status of the Corticospinal Tract Within One Week of Stroke

Published on: February 22, 2020

Area of Science:

  • Neurology
  • Public Health
  • Epidemiology

Background:

  • Limited data exists on how ethnicity influences functional recovery after stroke.
  • Understanding these disparities is crucial for equitable healthcare delivery.

Purpose of the Study:

  • To investigate the impact of ethnicity on functional outcomes 6 months after stroke.
  • To compare outcomes among European New Zealanders, Māori, Pacific, and Asian populations in a population-based setting.

Main Methods:

  • Prospective study of new stroke patients (excluding subarachnoid hemorrhage) in Auckland, New Zealand (2002-2003).
  • Self-defined ethnicity and various functional outcome measures including the Frenchay Activities Index and 36-item Short Form questionnaire were used.
  • Data collected at 6 months post-stroke included independence, mortality, and living situation.

Main Results:

  • Asian and Pacific peoples demonstrated worse Frenchay Activities Index scores compared to Europeans.
  • Pacific peoples were more likely to be dependent and had a higher composite of death or dependence than Europeans.
  • While ethnicity showed associations with some outcomes, these were often attenuated after adjusting for stroke severity and other factors.

Conclusions:

  • Ethnicity is independently associated with functional outcomes after stroke.
  • The specific relationship between ethnicity and functional outcome varied across different measures and ethnic groups.
  • Further research is needed to understand and address ethnic disparities in stroke recovery.