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Aphasia in acute stroke.

J C Brust, S Q Shafer, R W Richter

    Stroke
    |March 1, 1976
    PubMed
    Summary
    This summary is machine-generated.

    Aphasia affects 21% of acute stroke patients, with nonfluent types having higher mortality and lower recovery rates than fluent types. Men were disproportionately represented in nonfluent aphasia cases.

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    Area of Science:

    • Neurology
    • Stroke Research
    • Aphasia Studies

    Background:

    • Limited data exists on language disturbances in stroke populations and acute phenomena in aphasia.
    • Previous surveys have not exclusively focused on stroke-related aphasia or acute phases.

    Purpose of the Study:

    • To describe the characteristics and outcomes of aphasia in a large cohort of acute stroke patients.
    • To investigate the incidence, types, and prognostic factors associated with aphasia post-stroke.

    Main Methods:

    • Consecutive registration of 850 acute stroke patients by the Harlem Regional Stroke Program.
    • Classification of aphasia types (Broca's, Wernicke's, anomic, conduction, isolation, mixed).
    • Follow-up assessment of mortality, impairment, and recovery over 4–12 weeks.

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    Main Results:

    • Aphasia was present in 177 (21%) of stroke patients.
    • Nonfluent aphasia showed significantly higher mortality (32%) and persistent impairment (34%) compared to fluent aphasia (12% mortality, 12% impairment).
    • Hemiparesis and visual field cuts were linked to poorer prognosis in both fluent and nonfluent aphasia groups.

    Conclusions:

    • Aphasia is a common complication of acute stroke, with distinct prognostic differences between fluent and nonfluent types.
    • Nonfluent aphasia carries a worse prognosis, characterized by higher mortality and lower rates of complete recovery.
    • Clinical indicators like hemiparesis and visual field deficits are crucial for predicting outcomes in stroke-related aphasia.