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Uncertainty as a Key Influence in the Decision To Admit Patients with Transient Ischemic Attack.

Homoya BJ, Damush TM, Sico JJ, Miech EJ, Arling GW, Myers LJ, Ferguson JB, Phipps MS, Cheng EM, Bravata DM. Uncertainty as a Key Influence in the Decision To Admit Patients with Transient Ischemic Attack. Journal of general internal medicine. 2019 Sep 1; 34(9):1715-1723.

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Abstract:

BACKGROUND: Patients with transient ischemic attacks (TIA) are at high risk of subsequent vascular events. Hospitalization improves quality of care, yet admission rates for TIA patients vary considerably. OBJECTIVES: We sought to identify factors associated with the decision to admit patents with TIA. DESIGN: We conducted a secondary analysis of a prior study's data including semi-structured interviews, administrative data, and chart review. PARTICIPANTS: We interviewed multidisciplinary clinical staff involved with TIA care. Administrative data included information for TIA patients in emergency departments or inpatient settings at VA medical centers (VAMCs) for fiscal years (FY) 2011 and 2014. Chart reviews were conducted on a subset of patients from 12 VAMCs in FY 2011. APPROACH: For the qualitative data, we focused on interviewees' responses to the prompt: "Tell me what influences you in the decision to or not to admit TIA patients." We used administrative data to identify admission rates and chart review data to identify ABCD scores (a tool to classify stroke risk after TIA). KEY RESULTS: Providers' decisions to admit TIA patients were related to uncertainty in several domains: lack of a facility TIA-specific policy, inconsistent use of ABCD score, and concerns about facilities' ability to complete a timely workup. There was a disconnect between staff perceptions about TIA admission and facility admission rates. According to chart review data, staff at facilities with higher admission rates in FY 2011 reported consistent reliance on ABCD scores and related guidelines in admission decision-making. CONCLUSIONS: Many factors contributed to decisions regarding admitting a patient with TIA; however, clinicians' uncertainty appeared to be a key driver. Further quality improvement interventions for TIA care should focus on facility adoption of TIA protocols to address uncertainty in TIA admission decision-making and to standardize timely evaluation of TIA patients and delivery of secondary prevention strategies.





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