Developing an implementation intervention for managing acute vertigo in the emergency department

פוסט זה זמין גם ב: עברית

David Herdman ,1 Hena Ahmad,2 George Antoniades,3 Gokul Bailur,3 Arun Pajaniappane,1 Phil Moss David Herdman ,1 Hena Ahmad,2 George Antoniades,3 Gokul Bailur,3 Arun Pajaniappane,1 Phil Moss

Abstract               

Background There are evidence-based bedside tests for diagnosing acute vertigo, but no evidence-based strategies to support clinicians in implementing them. The purpose of this study was to design an implementation strategy for treating acute vertigo by examining current facilitators and barriers to using these tests in the ED using the principles of implementation science.

Methods A survey was developed using the Theoretical Domains Framework and Consolidated Framework for Implementation Research to examine barriers and facilitators for using HINTS+ (head impulse, nystagmus, test of skew, plus hearing) and Dix-Hallpike tests. The survey was sent to emergency clinicians (ECs) in a teaching hospital in London, UK, between May and September 2022. Semistructured interviews were conducted simultaneously, and data examined using direct content analysis. Implementation strategies were then selected based on the Expert Recommendations for Implementing Change framework.

Results Fifty-one ECs responded to the survey and six ECs volunteered for interview. Less than half reported using the bedside tests to make a diagnosis. The most common barriers were beliefs about complexity, a lack of supporting materials, memory, lack of skills and negative experiences. The interview data revealed negative beliefs about the necessity, validity, safety and practicality. There were also barriers in the ED environment (eg, lack of space). There was a strong perception that the current approach to managing acute vertigo needed to change and ECs view this as part of their professional role and responsibility. Based on clinician input, the authors selected strategies to improve diagnostic efforts, which included guidelines for training, developing vertigo champions, protocols, memory aids, audit and feedback.

Conclusion This study found several barriers to managing acute vertigo such as memory constraints, and inadequate supporting materials and training, although a robust desire for change. The implementation strategy’s initial phase is described, which must now be tested.

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