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Acute Recovery of Oral Word Production Following Stroke: Patterns of Performance as Predictors of Recovery
[摘要] Background:Impairments in oral word production are common at the onset of stroke. The identification of factors that predict early recovery has important implications for identifying those at greater risk of continued impaired functioning, and the management of the patient's care following discharge.Aims:To identify patterns of performance that are predictors of acute recovery of oral word production abilities following stroke;to identify any association between early and more chronic recovery.Method and procedures:Acute stroke patients were administered oral word production tasks within 1–2 days of hospitaladmission, with repeat testing by 7 days; a subset of patients had repeat testing between three weeks to one year later. Performancewas examined for error rate and type to identify potential predictors of early recovery.Outcome and results:The proportion of circumlocution and no response errors at initial testing were associated with the magnitudeof recovery of language functioning within the first week following stroke. Patient characteristics of age and gender were foundto have no influence on the degree of early recovery observed. None of the examined factors predicted late recovery. The degreeof early recovery was not associated with the degree of later recovery.Conclusions:The current study identified patterns of task performance that increase our understanding of how oral wordproduction recovers following acute stroke. The finding that the degree of early recovery does not predict the degree of laterrecovery is consistent with the hypothesis that early and late recovery are due to different mechanisms (restored blood flow inacute stroke, and reorganization in later recovery).
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[效力级别]  [学科分类] 精神健康和精神病学
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