Title

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

Document Type

Article

Publication Date

1-1-2019

Publication Title

The American journal of medicine

Abstract

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. Predictors of bridging anticoagulation use in the post-BRIDGE trial period were analyzed. In adjusted analyses, the use of bridging anticoagulation declined from a predicted 27.8% (95% confidence interval, 20.5%-35.1%) to 13.6% (95% confidence interval, 9.0%-18.2%) at the end of 2017 (P = .001) in response to the BRIDGE trial. Use of bridging anticoagulation declined similarly among atrial fibrillation patients at low risk for stroke (29.0% to 14.4%) and intermediate or high risk for stroke (38.0%-20.3%). Younger age and a prior history of stroke were independent predictors of bridging anticoagulation use following the BRIDGE trial publication. The BRIDGE trial publication is associated with a rapid and significant decline in the use of periprocedural bridging anticoagulation.

PubMed ID

30076828

Volume

132

Issue

1

First Page

e1

Last Page

e109

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