BACKGROUND/OBJECTIVES: Older people living in residential aged care facilities (RACFs) experience acute deterioration requiring assessment and decision making. We evaluated the impact of a large-scale regional Aged Care Emergency (ACE) program in reducing hospital admissions and emergency department (ED) transfers. DESIGN: A stepped wedge nonrandomized cluster trial with 11 steps, implemented from May 2013 to August 2016. SETTING: A large regional and rural area of northern and western New South Wales, Australia. PARTICIPANTS: Nine hospital EDs and 81 RACFs participated in the evaluation. INTERVENTION:The ACE program is an integrated nurse-led intervention underpinned by a community of practice designed to improve the capability of RACFs managing acutely unwell residents. It includes telephone support, evidence-based algorithms, defining goals of care for ED transfer, case management in the ED, and an education program.MEASUREMENTS: ED transfers and subsequent hospital admissions were collected from administrative data including 13 months baseline and 9 months follow-up. RESULTS: A total of 18,837 eligible ED visits were analyzed. After accounting for clustering by RACFs and adjusting for time of the year as well as RACF characteristics, a statistically significant reduction in hospital admissions (adjusted incident rate ratio = .79; 95% confidence interval [CI] = .68-.92); P = .0025) was seen (i.e., residents were 21% less likely to be admitted to the hospital). This was also observed in ED visit rates (adjusted incidence rate ratio = .80; 95% CI = .69-.92; P = .0023) (i.e., residents were 20% less likely to be transferred to the ED). Sevenday ED re-presentation fell from 5.7% to 4.9%, and 30-day hospital readmissions fell from 12% to 10%. CONCLUSION: The stepped wedge design allowed rigorous evaluation of a real-world large-scale intervention. These results confirm that the ACE program can be scaled up to a large geographic area and can reduce ED visits and hospitalization of older people with complex healthcare needs living in RACFs.

Transfers to emergency departments and hospitalizations are common for older people living in residential aged care who experience acute deterioration. This paper shares reflections from 10 years of work across a region in New South Wales, Australia, to develop a new model of care in 141 residential aged care homes. The model successfully reduced emergency department transfers and admissions to hospital. Using an exemplar patient case, the paper describes the Aged Care Emergency Program and associated research outputs. An interprofessional, multiagency Community of Practice supported this work. The authors reflect on the successes and challenges of using a Community of Practice to implement the model of care. We conclude that the Community of Practice, with its iterative evaluation, facilitated change and provided a mechanism for interprofessional practice. Broader systemic change requires clarity in goals of care, shared decision-making, working across sectors, and appropriate resource allocation.