期刊
INTERNATIONAL JOURNAL OF GERIATRIC PSYCHIATRY
卷 30, 期 12, 页码 1207-1214出版社
WILEY
DOI: 10.1002/gps.4275
关键词
dementia; Alzheimer's disease; neuropsychology; cognitive impairment
资金
- SingHealth
Aims and objectiveWhile loss of insight of cognitive deficits is a common phenomenon in patients with Alzheimer's disease (AD), there is a lack of consensus regarding the presence of impaired insight among patients with mild cognitive impairment (MCI). We aim to investigate the clinical, cognitive, and behavioral associations of anosognosia in AD and MCI subjects. MethodsA consecutive series of 87 subjects (30 healthy older patients, 21 MCI, and 36 AD) each accompanied by a caregiver, underwent clinical assessment including the evaluation of insight using the Anosognosia Questionnaire for Dementia (AQD). We also separately assessed Intellectual Function (AQD-IF) and Behavior domains of the AQD scale. Regression models were subsequently used to investigate associations of AQD scores with cognitive and other neuropsychiatric symptoms, including depression and apathy. ResultsBoth AD and MCI groups demonstrated significant anosognosia compared with the healthy control group. In the AD group, 55.6% had Mild Anosognosia, and 27.8% had Severe Anosognosia. In the MCI group, 42.9% showed Mild Anosognosia, and 9.5% had Severe Anosognosia. Greater levels of AQD-Total and AQD-IF were associated with lower Mini-mental state examination and higher apathy scores in the AD group. In the MCI group, caregiver burden was significantly associated with AQD-Total (p=0.016) and AQD-IF (p=0.039). ConclusionThe results indicated that anosognosia is common in both AD and MCI patients and associated with cognitive dysfunction and apathy in AD. The findings of this study warrant further research to delineate the mechanisms of anosognosia as it poses a challenge to treatment outcomes. Copyright (c) 2015 John Wiley & Sons, Ltd.
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