International journal of nursing practice · 2026
The Effectiveness of Animal-Assisted Interventions for People Living With Dementia: An Overview of Systematic Reviews and Meta-Analysis.
СтатьяМетаанализОбзорНазвание и аннотация: Перевод в очереди
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Zhou Jia, Li Siqi, Liu Hanyu, Sun Yue, Wang Zhiwen
Аннотация
AIMS: This overview aims to provide high-quality evidence synthesis of animal-assisted interventions (AAIs) among people living with dementia.
BACKGROUND: Dementia has become the seventh leading cause of death in the world. Unfortunately, currently effective pharmacological interventions remain elusive. As a non-pharmacological treatment, AAI is gaining more attention while the effectiveness of AAI for people living with dementia remains unclear.
METHODS: EMBASE, PubMed, Cochrane Library, CINAHL, CNKI, VIP, CBM and Wanfang databases were searched from inception to March 2026. The AMSTAR2 was used to assess the methodological quality of the included reviews. Meta-analysis was conducted using STATA 16 for the original studies identified from the included reviews. Evidence quality of main outcomes was assessed according to the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) guidelines.
RESULTS: Sixteen systematic reviews were included in the overview. A significant improvement was found in depression among dementia patients, but not in agitation, quality of life (QOL), cognition and activities of daily living (ADL).
CONCLUSIONS: There is moderate evidence that AAI has positive effects on depression for people living with dementia. Despite searches, no sufficient evidence has been found to substantiate the positive effects of AAI on other outcomes in people living with dementia. Due to the small number of studies, small sample sizes and significant heterogeneity, more randomised controlled trials with large samples are needed.
BACKGROUND: Dementia has become the seventh leading cause of death in the world. Unfortunately, currently effective pharmacological interventions remain elusive. As a non-pharmacological treatment, AAI is gaining more attention while the effectiveness of AAI for people living with dementia remains unclear.
METHODS: EMBASE, PubMed, Cochrane Library, CINAHL, CNKI, VIP, CBM and Wanfang databases were searched from inception to March 2026. The AMSTAR2 was used to assess the methodological quality of the included reviews. Meta-analysis was conducted using STATA 16 for the original studies identified from the included reviews. Evidence quality of main outcomes was assessed according to the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) guidelines.
RESULTS: Sixteen systematic reviews were included in the overview. A significant improvement was found in depression among dementia patients, but not in agitation, quality of life (QOL), cognition and activities of daily living (ADL).
CONCLUSIONS: There is moderate evidence that AAI has positive effects on depression for people living with dementia. Despite searches, no sufficient evidence has been found to substantiate the positive effects of AAI on other outcomes in people living with dementia. Due to the small number of studies, small sample sizes and significant heterogeneity, more randomised controlled trials with large samples are needed.