Journal
INTERNATIONAL JOURNAL OF GERIATRIC PSYCHIATRY
Volume 22, Issue 10, Pages 1046-1051Publisher
WILEY
DOI: 10.1002/gps.1866
Keywords
apathy; depression; zung self-rating depression scale; neuropsychiatric inventory; stroke; functional independent measurement
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Objectives While depression and apathy are common after stroke, past studies have done little to examine the influence of these two symptoms on functional outcome respectively. This study was designed to examine the effect of depression or apathy on functional recovery after stroke in 237 Japanese stroke patients. Methods We assessed the psychological status using self-rating scales [the Zung Self-Rating Depression Scale (SDS) for depression and the Apathy Scale (AS) for apathy] and an observer-rating scale [the Neuropsychiatric Inventory (NPI)]. We assessed physical disability using the Functional Independence Measurement (FIM). Post-hoc test and multiple regression analysis were used to determine the independent effects of post-stroke depression and apathy on functional outcorne. Results Depression was observed in 75 (31.6%) using SDS and 88 (40.2%) using NPI, and apathy in 95 (40.1%) using AS and 42 (19.2%) using NPI, respectively. Post-hoc test and multiple regression analysis indicated that the cognitive variable (Mini-Mental State Examination: MMSE score) and AS score, but not SDS score, correlated negatively with improvement in FIM. Conclusions Apathy might be more frequently associated with functional abilities and likely interact with the recovery process as compared with depression after stroke. Copyright (c) 2007 John Wiley & Sons, Ltd.
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