Journals of Gerontology Series B: Psychological Sciences and Social Sciences, Vol 54, Issue 2 S93-S98, Copyright © 1999 by The Gerontological Society of America

ARTICLES

Vascular dementia versus dementia of Alzheimer's type: do they have differential effects on caregivers' burden?

PH Vetter, S Krauss, O Steiner, P Kropp, WD Moller, HW Moises and O Koller
Clinic for Psychiatry and Psychotherapy, Christian Albrechts University, Kiel, Germany.

OBJECTIVES: We investigated homecare patients with dementia of Alzheimer's type (DAT; n = 36) or vascular dementia (VD; n = 36) and their care-providing relatives regarding clinical and psychosocial variables to determine whether DAT and VD impose different burdens on caregivers. METHOD: All patients were diagnosed according to ICD-10 criteria. The diagnoses were confirmed by internal medical, clinical- neurological, and psychiatric parameters. The severity of the dementias was graded according to the Global Deterioration Scale (GDS). Caregiving relatives responded to the Behavioral Pathology in Alzheimer's Disease Rating Scale (BAD), the Blessed Dementia Scale (BDS), and the Screen for Caregiver Burden (SCB). RESULTS: Analyses revealed that caregivers' burden (SCB), disease symptoms and personality changes of patients (BAD), and the patients' inability to cope with everyday tasks (BDS) were sharply higher for DAT than for VD patients in the group with severe dementia. Concerning patients with mild or moderately severe disease, scores in the DAT group were similar or lower than those in the VD group. CONCLUSION: In early stages, VD patients impose a greater burden on relatives than do patients with DAT. In severe stages this relationship undergoes a reversal, with relatives of DAT patients experiencing the burden more adversely than those of VD patients. The differences in the onset and course characteristics, as well as the specific differences between these two types of dementia with respect to caregiver burden factors, call for their diagnostic separation and the development of specific homecare support systems for family caregivers.

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