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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.

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Motor Imagery Brain-Computer Interface in Rehabilitation of Upper Limb Motor Dysfunction After Stroke
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Published on: September 1, 2023

Post-stroke cognitive impairment at 3 months.

Uma Sundar1, Sikandar Adwani

  • 1Neurology services, Internal Medicine, Lokmanya Tilak Municipal Medical College and Hospital, Sion, Mumbai, India.

Annals of Indian Academy of Neurology
|May 4, 2010
PubMed
Summary
This summary is machine-generated.

Vascular cognitive impairment affects over 30% of stroke patients, with the Frontal Assessment Battery (FAB) often showing deficits even with normal Mini Mental Scale Examination (MMSE) scores.

Keywords:
Strokecognitionexecutive dysfunction

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Area of Science:

  • Neurology
  • Cognitive Science
  • Stroke Research

Background:

  • Vascular cognitive impairment is the only treatable cause of early dementia.
  • Diverse etiologies necessitate sensitive diagnostic criteria.

Purpose of the Study:

  • To assess cognitive functions 3 months post-stroke using MMSE and FAB.
  • To correlate cognitive function with ischemic stroke subgroups.

Main Methods:

  • 164 stroke patients were evaluated at 3 months.
  • Cognitive function assessed using Mini Mental Scale Examination (MMSE) and Frontal Assessment Battery (FAB).
  • Patients categorized by infarct type (multiple, cortical).

Main Results:

  • 31.7% of patients (52/164) showed impairment in either MMSE or FAB.
  • 53.8% of impaired patients (28/52) had isolated FAB deficits with normal MMSE.
  • Memory deficits were more common in multiple infarct strokes.

Conclusions:

  • Cognitive impairment is common post-stroke, often presenting as isolated frontal executive dysfunction.
  • FAB is a sensitive tool for detecting subtle cognitive deficits after stroke.
  • Stroke type influences specific cognitive impairments, particularly memory.