Horticultural Therapy in Patients With Dementia: A Systematic Review and Meta-Analysis

Background: World Health Organization has communicated that dementia as a public health priority in 2012. Behavioral and psychological symptoms of dementia are the main reason results in hospitalization of dementia patients. Horticulture is one of the favorite activity for many peoples to relax their minds. Objectives: To investigate psychological health benefits of horticulture intervention in dementia patients. Methods: The databases including Cochrane Library, ProQuest, PubMed, EMBASE, EBSCO, Web of Science, and Ovid Medline were searched up to August 2017. Results: Twenty-three articles for systematic review, whereas 8 articles were included in meta-analysis. Meta-analysis verified the beneficial effect of horticultural therapy (HT) on agitation level (standard mean difference: -0.59; P < .00001); increase time spent on activity engagement (mean differences [MD]: 45.10%, P < .00001); decrease time for doing nothing (MD: -29.36%, P = .02). Conclusions: Patients with dementia benefit from horticultural by alleviating their degrees of agitate behaviors, increasing time of engaging in activities and decrease time of doing nothing.