Rivaroxaban program for acute venous thromboembolism upon ED discharge, with focus on utility of commercially available dose pack

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Abstract

Objective

To evaluate the impact of a rivaroxaban discharge initiative on the efficacy and safety of acute venous thromboembolism treatment in emergency department patients.

Practice innovation

Patients discharged on rivaroxaban from the emergency department were provided extensive counseling along with a commercially-available medication dose pack by the ED pharmacist. Patients were contacted by phone until they had obtained outpatient follow-up and remained adherent to anticoagulation beyond the initial first month of treatment.

Methods

In this retrospective chart review over a thirteen month period, efficacy and safety outcomes were compared between patients with intervention versus those who received usual care. Efficacy was defined by reduced 90-day readmission rates due to nonadherence or treatment failure, and improved medication adherence beyond the first month from discharge. Safety was determined by comparing 90-day readmission rates due to bleeding or adverse event.

Results

41 patients received intervention with rivaroxaban, and 34 patients received usual care, with 76% prescribed rivaroxaban and remaining patients started on enoxaparin alone (6%) or enoxaparin plus warfarin (18%). Improved treatment efficacy in the intervention group was not found to be statistically significant. Safety outcomes were similar between the two groups.

Conclusion

Home treatment of acute VTE, facilitated by medication dose pack, is a promising tactic to ensure both immediate and long-term treatment efficacy and safety. Further studies are warranted to demonstrate clinical superiority of this intervention.

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