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Impact of Increased Early Statin Administration on Ischemic Stroke Outcomes: A Multicenter Electronic Medical Record Intervention

Statin administration early in ischemic stroke may influence outcomes. Our aim was to determine the clinical impact of increasing statin administration early in ischemic stroke hospitalization. This is a retrospective analysis of a multicenter electronic medical record (EMR) intervention to increase early statin administration in ischemic stroke across all 20 hospitals of an integrated healthcare delivery system. A stroke EMR order set was modified from an “opt-in” to “opt-out” mode of statin ordering. Outcomes were mortality by 90 days, discharge disposition, and increase in stroke severity. We examined the relationship between intervention and outcome using autoregressive integrated moving average (ARIMA) time-series modeling. The EMR intervention increased both overall in-hospital statin administration (from 87.2% to 90.7%, P<0.001) and early statin administration (from 16.9% to 26.3%, P<0.001). ARIMA models showed a small increase in the rate of survival (difference in probability [Pdiff]=0.02, P=0.016) and discharge to home or rehabilitation facility (Pdiff=0.04, P=0.034) associated with the intervention. The increase in statin administration <8 hours was associated with much larger increases in survival (Pdiff=0.17, P=0.033) and rate of discharge to home or rehabilitation (Pdiff=0.29, P=0.011), as well as a decreased rate of neurological deterioration in-hospital (Pdiff=-0.14, P=0.026). A simple EMR change increased early statin administration in ischemic stroke and was associated with improved clinical outcomes. This is, to our knowledge, the first EMR intervention study to show that a modification of an electronic order set resulted in improved clinical outcomes.

Authors: Flint AC; Conell C; Klingman JG; Rao VA; Chan SL; Kamel H; Cullen SP; Faigeles BS; Sidney S; Johnston SC

J Am Heart Assoc. 2016 Jul 29;5(8). Epub 2016-07-29.

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