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Special care units for dementia individuals with behavioural problems.
Claudia Ky Lai1, Jonas Hm Yeung, Vincent Mok
1School of Nursing, The Hong Kong Polytechnic University, School of Nursing, The Hong Kong Polytechnic University, Hung Hom, Hong Kong.
The Cochrane Database of Systematic Reviews
|October 13, 2009
Summary
Specialized Care Units (SCUs) for dementia patients show no strong evidence of benefit from non-randomized trials. Implementing best practices in standard nursing homes may be more effective for managing behavioral problems.
Area of Science:
- Gerontology
- Psychiatry
- Health Services Research
Background:
- Behavioral problems in dementia patients present significant caregiving challenges.
- Specialized Care Units (SCUs) were developed to manage dementia patients, particularly those with behavioral issues.
- SCUs typically involve trained staff, special programming, modified environments, and family engagement, often at a higher cost than standard care.
Purpose of the Study:
- To systematically review the evidence on the effectiveness of SCUs for dementia patients.
- To evaluate the impact of SCUs on behavioral problems, mood, restraint use, and psychotropic medication.
- To compare outcomes in SCUs versus traditional nursing units.
Main Methods:
- A systematic search of major healthcare databases (MEDLINE, EMBASE, PsycINFO, CINAHL, Cochrane Register) was conducted.
- Initially, only randomized controlled trials (RCTs) were considered, but none were identified.
- A subsequent review included eight non-randomized controlled trials (non-RCTs) due to the ethical and practical challenges of conducting RCTs in this area.
Main Results:
- No RCTs were found. Analysis of eight non-RCTs revealed limited evidence of SCU benefits.
- One study showed a small improvement in neuropsychiatric scores and reduced physical restraint use in SCUs.
- SCU patients exhibited less depression at 3 months, but traditional units showed less psychotropic medication use at 6 months. Methodological limitations, including inadequate adjustment for patient severity, were noted in non-RCTs.
Conclusions:
- There is no strong evidence from RCTs or non-RCTs to support the effectiveness of SCUs for behavioral symptoms in dementia.
- Focusing on implementing best practices within standard nursing home settings may be more beneficial than solely relying on specialized environments.
- Routine data collection on behavior, restraint, and medication use across nursing homes is recommended for formal evaluation of SCU effectiveness.
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