Biomedical subjects
Publications and source records attributed to A Wimo.
The gross cost of illness due to dementia was estimated to be SEK30.7 billion in 1991 while the net cost was estimated to be SEK20 billion. The sensitivity analysis showed a variation between SEK20 billion and SEK36 billion in 1991.
Costs of dementia care constitute a great part of the total costs of care for elderly. Because the prevalence of dementia is linked to increasing age, and the number of the oldest old is rising, the costs of dementia care will increase considerably in the forthcoming decades. In this review, research describing costs of dementia care has been analysed and classified. The available database in this field is small, though expanding, and the methodological problems are obvious. Differences between countries, and between different periods of time, are difficult to analyse due to different methods of financing and organizing care. The main result of the present study is that the costs of dementia care differ considerably in the literature. One important reason for this variability is that the number of included cost categories vary, leading to a wide range of costs. Unpaid informal care forms a major part of the total costs, but the theory of costing informal care is complicated.
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In a cost-analysis model, the effect on the costs of Alzheimer disease of tacrine (tetrahydroaminoacridine) treatment was studied. A model of the survival of the Swedish Alzheimer disease population was constructed in which the placement of patients with Alzheimer disease in care organization was assumed to be influenced by the use of tacrine. Based on this model, the cost analysis was performed. Fifty-two percent of the Alzheimer disease population with an initial Mini-Mental State Examination (MMSE) score of 10 to 24 points are in the main alternative of the model treated with 160 mg tacrine with an initial improvement in MMSE of 2.6 points. The benefit of tacrine was a cost reduction of 1.3% when the results were calculated for the entire Alzheimer disease population. This corresponds to a benefit of 1.3 billion Swedish kronor (SEK) (with 3% discount rate) for the entire estimated survival period. The annual benefit per patient was estimated as 2,900 SEK [approximately U.S. $320 (1993)]. In the sensitivity analysis, the range was between -0.6% and 5.2%. Beginning treatment in the early stages of Alzheimer disease results in lower costs than a later start. The main conclusion is that tacrine, according to the model, has beneficial but modest effects on the costs of Alzheimer disease in Sweden.
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A cost-utility analysis (CUA) was applied to group living for dementia patients. A Markov-model of an expected life-length of 8 years was used. Forty-six patients in group living were compared to 39 patients living at home by inclusion and 23 institutionalized patients. When the cost per gained quality-adjusted life-year (QALY) was calculated, the group living alternative was the most favorable for the patients, giving a cost per paired QALY of US dollars < 0. In the extensive sensitivity analysis the main result was consistent but methodological problems were indicated.
Sixteen patients with dementia were studied 4 years after admission to group-living (GL) units, an intermediate level of dementia care. Of eight patients who were still alive, four lived in the GL units and four had been institutionalized. The eight patients who had died had spent 89% of their survival time in GL. Aggression was the most frequent cause of institutionalization.
OBJECTIVE: To assess if and how demented patients' living conditions affect their level of functioning. DESIGN: A prospective concurrent control-study. SETTING: Sundsvall, an industrial community in the middle of Sweden. PARTICIPANTS: Forty-six demented patients in group-living (GL-group) and 62 controls (C-group). MAIN OUTCOME MEASURE: Cognitive function, ADL-capacity and behaviour were measured every third month during one year. RESULTS: Both groups deteriorated, but the decline was significantly slower in the GL-group regarding some ADL-functions, e.g. dressing and motor functions, whereas some behavioural disturbances were significantly more frequent in the GL-group. No differences were observed regarding the level of cognitive function. CONCLUSION: The living condition has small effects on cognitive function and ADL-capacity. The behavioural disturbances observed in GL should be the focus of future research.
Owing to the increasing number of elderly people, the prevalence of dementia will also increase. In 1990, there were about 101,000 people with moderate to severe dementia in Sweden, or 6.4 percent of the population over 65 years of age (65+ pop.). The figure will increase to about 121,000 by the year 2000 (7.7 percent of the 65+ pop.), and to 156,000 by 2025 (7.5 percent of the 65+ pop.). The corresponding health care costs, which were SEK 30 billion in 1991, are estimated to reach SEK 35 billion by 2000, and SEK 46 billion by 2025. Assuming comparable increases in the prevalence of dementia in the other Nordic countries, the overall number of dementia patients will increase from 247,000 in 1991 to 371,000 by 2025, and the respective costs from SEK 74 billion to SEK 110 billion.
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An extensive new caring program--including the introduction of Individual Care Plans and changes in ward organization, caring techniques, and caring philosophy--was introduced at two psychogeriatric wards with severely demented patients. The hypotheses were that the patients (n = 31) would improve in psychosocial capacity and orientation and the staff work load would decline in contrast to two other wards with a similar clientele (n = 31). After ten months the milieu was more "homelike," routines were more flexible, and the staff communicated more with the patients. However, the hypotheses were not proven. All patients in both groups deteriorated in ADL capacity, orientation, and behavior. The patients in the program wards became significantly more restless and disoriented and ate less than the patients in the contrast wards. The conclusion is that, despite optimal care, a humanistic approach, and support from staff, the progression of dementia symptoms is inevitable.
OBJECTIVE: To examine the effects of Day Care (DC) on demented patients. DESIGN: A prospective non-randomized concurrent-control study. PARTICIPANTS: 55 demented patients in DC and 44 controls. SETTING: Sundsvall, an industrial community in northern Sweden. MAIN OUTCOME MEASURE: Cognition, ADL-functions, behaviour and institutionalization. RESULTS: Measurements of cognition, ADL-functions, and behaviour showed no or only small differences between the groups. After one year, 24% of the patients in the DC-group were institutionalized, compared with 44% of the controls. In the control group, the exhaustion of spouse and supervision need were highly correlated to institutionalization (p < 0.001), while high physical nursing load was correlated to institutionalization in the DC-group (p < 0.01). CONCLUSION: DC postpones institutionalization, probably because of less exhaustion of spouses and decreased supervision need.
The predictive validity of certain items was tested with respect to their influence on the institutionalization of elderly people with psycho-geriatric disorders (n = 69). Twelve items measuring both the patient's condition and the exhaustion around the patient were tested. Two outcome measurements were used, the first measuring the number of patients who were institutionalized after the end of 12 months and the second measuring the number of days at an institution during 12 months. The items "Exhaustion of spouse" and "Supervision need" showed the highest correlation with institutionalization and predicted institutionalization, better than items describing the degree of dementia.
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Forty-seven patients in psychogeriatric day centre were analysed regarding use of resources, costs and well-being. The level of well-being was based on interviews with staff and relatives and related to the economic outcome--a cost utility analysis. A 6 month period prior to day care was compared with the first 6 months in such care. The use of resources at home increased by 20% while the use of institutional care was reduced by 22%. Fifty-three percent of the patients improved in their well-being after participation in day care. When the cost of utility analysis was applied, the cost for a well-year was 4293 pounds.
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