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P.079 Factors influencing HINTS exam usage by Canadian Emergency Medicine Physicians
Published online by Cambridge University Press: 05 January 2022
Abstract
Background: The HINTS examination is a sensitive and specific tool for determining whether a patient presenting with an acute vestibular syndrome has had a stroke. Despite its efficacy, it is often not used by Emergency Medicine (EM) physicians when assessing patients with vertigo. Methods: To ascertain why, we surveyed, by email, physicians registered with the Canadian Association of Emergency Physicians, to gather information on their practices when assessing patients with vertigo, and their utilization and perspectives concerning the HINTS examination. Results: 185 participants responded to our survey, demographically representative of Canadian EM physicians. The majority regularly use the HINTS exam in the appropriate setting, but significant minorities employ the exam inappropriately, such as in patients without nystagmus, with other neurological findings, or alongside tests for intermittent vertigo. Misapplication was associated with older age, years of practice, non-academic practice settings, and less residency training (p<0.05). The predominant reasons for not using this examination are lack of confidence in recalling and performing component exam techniques, particularly the head-impulse test, and doubts about the necessity, safety, or validity of this examination. Conclusions: HINTS examination use is limited by lack of provider skill, safety concerns, and doubts on its validity in excluding stroke when employed by EM physicians.
- Type
- Poster Presentations
- Information
- Canadian Journal of Neurological Sciences , Volume 48 , Supplement s3: Canadian Neurological Sciences Federation (CNSF) 2021 Congress , November 2021 , pp. S42
- Copyright
- © The Author(s), 2021. Published by Cambridge University Press on behalf of Canadian Neurological Sciences Federation