Periprocedural Bridging Anticoagulation: Measuring the Impact of a Clinical Trial on Care Delivery

Use of bridging anticoagulation has been shown to be harmful and without benefit in warfarin-treated patients with atrial fibrillation. We performed a quasi-experimental interrupted time series analysis between 2010 and 2017 in the Michigan Anticoagulation Quality Improvement Initiative (MAQI2) collaborative before and after the BRIDGE trial publication (July 2015). Predicted use of bridging at the end of the study period was calculated with and without the effect of the BRIDGE trial after adjustment for patient-level clustering.

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