Implementing a Case-management Intervention for Frequent Users of the Emergency Department in French-speaking Switzerland

Plain-language summary

Background. Emergency department (ED) overcrowding represents a significant public health problem in developed countries. Frequent users of the emergency departments (FUEDs; reporting 5 or more ED visits in the past year) are often affected by medical, psychological, social, and substance use problems and account for a disproportionately high number of ED visits. Past research indicates that the case management (CM) intervention is a promising way to reduce ED overcrowding and improve FUEDs' quality of life. There is, however, very limited knowledge about how to disseminate and implement this intervention on a large scale to diverse clinical settings, including community hospitals and non-academic centers. This research project aims to implement a CM intervention tailored to FUEDs in the public hospitals with ED in the French-speaking region of Switzerland and to evaluate both the implementation process and effectiveness of the CM intervention. Methods. This research project will examine both implementation and clinical outcomes. The implementation part of the study will describe quantitatively and qualitatively factors that influence the implementation process; the investigators will also examine implementation effectiveness (i.e., whether the implementation of the CM intervention in the ED was successful or not). The clinical part of the study will evaluate participants' trajectories on clinical variables (e.g., quality of life, ED use) after receiving the CM intervention. Discussion. This research project will contribute to implementation science by providing key insights into the processes for implementing CM into broader practice. This research project is also likely to have both clinical and public health implications.

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