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Changes in primary care management of atrial fibrillation patients following the shift from warfarin to non-vitamin K antagonist oral anticoagulants: a Norwegian population based study by Sigrun Halvorsen; Jørgen Anton Smith; Fabian Söderdahl; Marcus Thuresson; Oddvar Solli; Maria Ulvestad; Christian Jonasson is a Health Professions article available to read on EtoBox.

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## Abstract ## Background To assess baseline characteristics, drug utilisation and healthcare use for oral anticoagulants (OACs) following the introduction of non-vitamin K antagonist oral anticoagulants among patients with atrial fibrillation in primary care in Norway. ## Methods In this retrospective longitudinal cohort study, 92,936 patients with atrial fibrillation were identified from the Norwegian Primary Care Registry between 2010 and 2018. Linking to the Norwegian Prescription Database, we identified 64,112 patients (69.0%) treated with OACs and 28,824 (31%) who were untreated. Participants were followed until 15 May 2019, death, or loss to follow-up, whichever came first. For each OAC, predictors of initiation were assessed by modelling the probability of initiating the OAC using logistic regression, and predictors of the first switch after index date were assessed using multivariable Cox proportional hazards models. The numbers of primary care visits per quarter by index OAC were plotted and analysed with negative binomial regression analyses offset for the log of days at risk. ## Results Patients treated with OACs were older, had more comorbidities, and higher CHA~2~DS~2

Who reads Changes in primary care management of atrial fibrillation patients following the shift from warfarin to non-vitamin K antagonist oral anticoagulants: a Norwegian population based study?

Author

Sigrun Halvorsen; Jørgen Anton Smith; Fabian Söderdahl; Marcus Thuresson; Oddvar Solli; Maria Ulvestad; Christian Jonasson

Publisher

Springer Science and Business Media LLC

Published

2022

Language

EN

Field

Health Professions (Health Sciences)