Understanding the pre-medical emergency team tier of a mature rapid response system: A content analysis of guidance documents
2021
Abstract Background The pre-medical emergency team (pre-MET) tier of rapid response systems (RRSs) includes extended activation criteria to identify earlier clinical deterioration and a ward-based patient review that is undertaken by the affected patient's admitting team or covering doctors. There is limited understanding of the structure and processes of the pre-MET RRS tier that are expected to guide clinicians' actions and subsequent patient safety outcomes. Objective The aim of the study was to describe the structure and processes of the pre-MET RRS tier in one acute care setting. Methods An exploratory descriptive design involving document analysis was used. Guidance documents (policies, procedures, guidelines, charts, educational materials) were obtained from one health service with a mature, multitiered RRS in Melbourne, Australia. Documents were analysed using content analysis. Concept- and data-driven approaches were used to construct a coding frame. Results Nineteen guidance documents supporting the pre-MET RRS tier on general wards were analysed. The coding frame consisted of seven main categories: Defining the Pre-MET RRS Tier, Essential Resources for Operationalisation, Recognising Pre-MET Events, Pathways for Activation, Exceptions to the Rule, Clinician Responses to Pre-MET Events, and Recording Pre-MET Events. The structures and processes of the pre-MET RRS tier were largely consistent with national guidelines, but there were internal inconsistencies in pre-MET activation criteria and unclear recommendations for modifying criteria. Pathways for activating the pre-MET RRS tier were complex and involved many steps, including validation processes before escalation of care to doctors. Responses to pre-MET events were seldom aligned to specific clinician types or groups, with nurses and allied health clinicians being under-represented. Conclusions We identified opportunities to improve guidance documents supporting the pre-MET RRS tier that may assist other health services engaged in planning or evaluating pre-MET strategies. Further research is needed to understand clinicians' use of the pre-MET RRS tier to inform targeted strategies to optimise its design and implementation.
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