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Randomized, Triple-Blind, and Parallel-Controlled Trial of Transcranial Direct Current Stimulation for Cognitive Rehabilitation after Stroke
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[Cognitive impairment after stroke--diagnosis and management]

Torgeir Engstad1, Matti Viitanen, Ove Almkvist

  • 1Geriatrisk avdeling, Universitetssykehuset Nord-Norge, 9038 Tromsø. torgeir.a.engstad@unn.no

Tidsskrift for Den Norske Laegeforening : Tidsskrift for Praktisk Medicin, Ny Raekke
|May 24, 2007
PubMed

Insights

Cognitive impairment after stroke is common and depends on brain damage location. Early diagnosis and interventions like physical training and cognitive stimulation are key for managing this condition.

Area of Science:

  • Neurology
  • Neuropsychology

Background:

  • Stroke frequently leads to cognitive impairment, posing significant diagnostic and therapeutic challenges.
  • Understanding post-stroke cognitive deficits is crucial for patient management.

Purpose of the Study:

  • To provide an updated review on cognitive impairment following stroke.
  • To highlight diagnostic and therapeutic challenges associated with post-stroke cognitive impairment.

Main Methods:

  • Literature review using Medline database.
  • Keywords included: "cognitive impairment and stroke," "dementia and stroke," "vascular dementia," and "vascular cognitive impairment."

Main Results:

  • Cognitive impairment post-stroke varies with lesion location and size.
  • Affected domains include executive functions, attention, and psychomotor abilities, often linked to frontal subcortical areas.
  • Neuropsychological tests like verbal fluency, digit span, and finger-tapping assess these functions; Mini Mental State Examination offers limited diagnostic value.

Conclusions:

  • Cognitive impairment classification should consider neuropsychological profiles and neuroanatomical damage.
  • Secondary stroke prevention targeting vascular risk factors is essential.
  • Non-pharmaceutical interventions like physical, cognitive, and social stimulation may hold significant therapeutic potential.
Abstract

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