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    Anticoagulation reduces stroke risk in patients with atrial fibrillation (AF) but under-prescribing in eligible patients has been commonly reported. Introduction of the direct acting oral anticoagulants (DOACs) was considered to potentially improve prescribing due to increased anticoagulant options. At the time of release to the Australian market, there were limited studies investigating anticoagulant usage during hospitalisations for AF. Therefore, the aim of this study was to investigate prescribing of oral anticoagulants during hospitalisation admissions for AF during the time of DOAC introduction to the Australian market. A retrospective study was conducted of admissions to a tertiary Queensland hospital during 1 July 2012 to 10 June 2015. Patients were categorised according to oral anticoagulant therapy on both hospital admission and discharge. Changes to therapy and patient factors associated with prescribing were analysed. A total of 1,911 patients were included with 3,396 admissions during the study period. There was a significant increase in the number of patients initiated on anticoagulant therapy during their first admission with higher rates of initiation of DOACs compared to warfarin. Ischaemic heart disease and high bleed risk were significantly associated with reduced prescribing of anticoagulant therapy on first and second admission respectively, while patients with a history of stroke or transient ischaemic attack were significantly more likely to receive therapy. The introduction of the DOACs to the Australian market increased initiation of anticoagulants to hospitalised patients with AF across all stroke risk categories. The availability of greater anticoagulant options has increased initiation of therapy but there remains potential to further optimise anticoagulant prescribing by targeting therapy according to guidelines and patient factors. Copyright © 2020 Australian and New Zealand Society of Cardiac and Thoracic Surgeons (ANZSCTS) and the Cardiac Society of Australia and New Zealand (CSANZ). Published by Elsevier B.V. All rights reserved.


    Iniya Rathinam, Shailendra Anoopkumar-Dukie, Tony Badrick, Trudy Teasdale, Nijole Bernaitis. Anticoagulant Initiation During Hospital Admissions for Atrial Fibrillation in South-East Queensland, Australia. Heart, lung & circulation. 2020 Sep;29(9):e222-e230

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    PMID: 32291155

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