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Dement Geriatr Cogn Disord. 2008;26(4):356-63. doi: 10.1159/000162262. Epub 2008 Oct 14.

Frequency and prognostic value of cognitive disorders in stroke patients.

Author information

1
Second Department of Neurology, Institute of Psychiatry and Neurology, Medical University, Warsaw, Poland. lesniak@ipin.edu.pl

Abstract

BACKGROUND:

Stroke is one of the most common diseases to cause cognitive disorders in adults.

AIMS:

To assess the frequency of cognitive deficits in stroke patients and to evaluate the prognostic value of cognitive syndromes for functional recovery.

METHODS:

200 consecutive patients were examined using a clinical screening battery for cognitive assessment in the second week after their first-ever stroke. 80 were re-examined after a 1-year follow-up.

RESULTS:

In the post-acute stage, 78% patients were impaired in one or more cognitive domains. The most frequently affected cognitive abilities were attention (48.5%), language (27%), short-term memory (24.5%) and executive functions (18.5%). At the 1-year follow-up, attention deficits were still the most frequent symptom. In contrast, executive dysfunction, aphasia, and long-term memory disorder were significantly less frequent than in the post-acute period. Logistic regression analysis showed that older age, lower score on the Barthel Index, and the presence of executive dysfunction on initial examination were significant predictors of a poor functional outcome at the 1-year follow-up examination.

CONCLUSIONS:

Cognitive-behavioral syndromes are frequent and often chronic consequences of stroke. Executive deficits proved to be the most robust cognitive predictor of poor functional recovery after stroke.

PMID:
18852488
DOI:
10.1159/000162262
[Indexed for MEDLINE]

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