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Utilizing Repetitive Transcranial Magnetic Stimulation to Improve Language Function in Stroke Patients with Chronic Non-fluent Aphasia
Published on: July 2, 2013
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Nonlinguistic cognitive impairment in poststroke aphasia: a prospective study
Hanane El Hachioui1, Evy G Visch-Brink, Hester F Lingsma
11Erasmus MC University Medical Center, Rotterdam, Netherlands.
Neurorehabilitation and Neural Repair
|November 12, 2013
Summary
Nonlinguistic cognitive impairments are common after stroke in patients with aphasia, persisting in 80% at one year. These deficits are linked to poorer functional outcomes and increased depression, particularly in those with ongoing aphasia.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Stroke Rehabilitation
Background:
- Cognitive impairment information in aphasic patients is scarce.
- Stroke frequently leads to aphasia, impacting communication.
- Understanding nonlinguistic cognitive deficits is crucial for holistic patient care.
Purpose of the Study:
- To determine the prevalence and progression of nonlinguistic cognitive impairments within the first year post-stroke.
- To explore the association between these cognitive deficits, aphasia severity, and functional outcomes.
- To identify risk factors for persistent cognitive impairment and poor recovery.
Main Methods:
- 147 acute aphasia patients were assessed at 3 months and 1 year post-stroke.
- Nonlinguistic cognitive functions (abstract reasoning, visual memory, executive functioning) were evaluated.
- Aphasia severity, functional outcome (modified Rankin scale), and antidepressant use were recorded.
Main Results:
- 88% of patients exhibited nonlinguistic cognitive impairments at 3 months, decreasing to 80% at 1 year.
- Visual memory deficits were most prevalent (83% at 3 months, 78% at 1 year).
- Persisting aphasia correlated with lower cognitive scores, worse functional outcomes, and higher depression rates.
Conclusions:
- Nonlinguistic cognitive impairments are highly prevalent in aphasic stroke survivors.
- These deficits are associated with adverse functional outcomes and depression, especially with persistent aphasia.
- Routine nonlinguistic cognitive assessment is recommended for stroke patients with aphasia.
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