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  • Title: Emergency Department Management of Transient Ischemic Attack: A Survey of Emergency Physicians.
    Author: Oostema JA, Brown MD, Reeves M.
    Journal: J Stroke Cerebrovasc Dis; 2016 Jun; 25(6):1517-23. PubMed ID: 27041082.
    Abstract:
    BACKGROUND: Patients are at high risk for stroke following a transient ischemic attack (TIA). The ideal setting for evaluating and treating patients with TIA has not been established, resulting in variability in emergency department (ED) TIA management. We conducted a survey to describe ED TIA management and factors that influence disposition determination for TIA patients. METHODS: We administered a mail survey to 480 randomly selected members of the Michigan College of Emergency Physicians. Survey questions addressed current ED TIA management, the acceptability of the ABCD(2) risk-stratification tool, and disposition recommendations for a series of hypothetical TIA patients. RESULTS: A total of 188 (39%) responses were received. Head computed tomography (96.2%) and antiplatelet therapy (88.2%) were the most commonly reported ED interventions. Over 85% of respondents reported admitting most or all TIA patients. The ABCD(2) score had low acceptability among emergency medicine physicians and was rarely incorporated into practice (10.7%). Respondents identified a short-term risk of stroke of less than 2% (95% confidence interval: 1.6-2.4) as an acceptable threshold for discharge; however, most respondents recommended admission even for low-risk TIA patients. Those with access to an outpatient TIA clinic were less likely to admit low-risk TIA patients; those with access to an observation unit were more likely to admit. CONCLUSIONS: In this survey, ED physicians preferred hospital admission for most TIA patients, including those at low risk for stroke. The ABCD(2) risk-stratification tool had low acceptability. Further research is needed to refine risk-stratification tools and define the optimal setting for TIA evaluations.
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