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Professional paper
https://doi.org/10.20471/acc.2019.58.04.22

Inadequacy of Vitamin K Antagonist Use in Patients with Atrial Fibrillation – Overview of Everyday Clinical Practice at the Merkur University Hospital in Zagreb, Croatia

Mario Stipinović ; Division of Cardiology, Department of Medicine, Merkur University Hospital, Zagreb, Croatia; Josip Juraj Strossmayer University, Faculty of Medicine, Osijek, Croatia
Tomislav Letilović ; Division of Cardiology, Department of Medicine, Merkur University Hospital, Zagreb, Croatia; University of Zagreb, School of Medicine, Zagreb, Croatia
Darko Počanić ; Division of Cardiology, Department of Medicine, Merkur University Hospital, Zagreb, Croatia
Bojana Aćamović Stipinović ; Division of Hematology, Department of Medicine, Merkur University Hospital, Zagreb, Croatia
Ena Kurtić ; Division of Cardiology, Department of Medicine, Merkur University Hospital, Zagreb, Croatia
Zrinka Sertić ; University of Zagreb, School of Medicine, Zagreb, Croatia
Helena Jerkić ; Division of Cardiology, Department of Medicine, Merkur University Hospital, Zagreb, Croatia; University of Zagreb, School of Medicine, Zagreb, Croatia

Fulltext: english, pdf (301 KB) pages 744-750 downloads: 186* cite
APA 6th Edition
Stipinović, M., Letilović, T., Počanić, D., Aćamović Stipinović, B., Kurtić, E., Sertić, Z. & Jerkić, H. (2019). Inadequacy of Vitamin K Antagonist Use in Patients with Atrial Fibrillation – Overview of Everyday Clinical Practice at the Merkur University Hospital in Zagreb, Croatia. Acta clinica Croatica, 58. (4.), 744-750. https://doi.org/10.20471/acc.2019.58.04.22
MLA 8th Edition
Stipinović, Mario, et al. "Inadequacy of Vitamin K Antagonist Use in Patients with Atrial Fibrillation – Overview of Everyday Clinical Practice at the Merkur University Hospital in Zagreb, Croatia." Acta clinica Croatica, vol. 58., no. 4., 2019, pp. 744-750. https://doi.org/10.20471/acc.2019.58.04.22. Accessed 30 Jul. 2021.
Chicago 17th Edition
Stipinović, Mario, Tomislav Letilović, Darko Počanić, Bojana Aćamović Stipinović, Ena Kurtić, Zrinka Sertić and Helena Jerkić. "Inadequacy of Vitamin K Antagonist Use in Patients with Atrial Fibrillation – Overview of Everyday Clinical Practice at the Merkur University Hospital in Zagreb, Croatia." Acta clinica Croatica 58., no. 4. (2019): 744-750. https://doi.org/10.20471/acc.2019.58.04.22
Harvard
Stipinović, M., et al. (2019). 'Inadequacy of Vitamin K Antagonist Use in Patients with Atrial Fibrillation – Overview of Everyday Clinical Practice at the Merkur University Hospital in Zagreb, Croatia', Acta clinica Croatica, 58.(4.), pp. 744-750. https://doi.org/10.20471/acc.2019.58.04.22
Vancouver
Stipinović M, Letilović T, Počanić D, Aćamović Stipinović B, Kurtić E, Sertić Z, et al. Inadequacy of Vitamin K Antagonist Use in Patients with Atrial Fibrillation – Overview of Everyday Clinical Practice at the Merkur University Hospital in Zagreb, Croatia. Acta clinica Croatica [Internet]. 2019 [cited 2021 July 30];58.(4.):744-750. https://doi.org/10.20471/acc.2019.58.04.22
IEEE
M. Stipinović, et al., "Inadequacy of Vitamin K Antagonist Use in Patients with Atrial Fibrillation – Overview of Everyday Clinical Practice at the Merkur University Hospital in Zagreb, Croatia", Acta clinica Croatica, vol.58., no. 4., pp. 744-750, 2019. [Online]. https://doi.org/10.20471/acc.2019.58.04.22

Abstracts
Atrial fibrillation is the most common cardiac arrhythmia. It increases the risk of death and thromboembolic events. Vitamin K antagonists reduce these risks. Disadvantages of vitamin K antagonist therapy are narrow therapeutic range and interactions with drugs and food. In a single center prospective study, we enrolled 249 patients with atrial fibrillation over a 12-month period. The aim of our study was to evaluate vitamin K antagonist use regarding the indication and adequate dose. Data on 249 consecutive patients with atrial fibrillation were collected before general availability of novel oral anticoagulants. Out of 249 patients, 160 (64.2%) had indication for oral anticoagulant
therapy. Only 81 (50.6%) patients had vitamin K antagonist in therapy, 12 (14.8%) of them in adequate dose. We also analyzed 129 patients aged over 75, of which 109 (84.4%) had absolute indication for oral anticoagulant therapy. Only 34 (31.2%) patients aged over 75 had been receiving vitamin K antagonist therapy and 6 (17.6%) had the International Normalized Ratio values within the proposed therapeutic interval. We found a significantly higher rate of anticoagulant therapy introduction in patients under 75 years (p=0.03), but there were no significant differences in the adequacy of anticoagulant therapy (p=0.89) between these two populations. Our results showed clear inadequacies of vitamin K antagonist treatment with a growing need for a wider use of novel oral anticoagulants.

Keywords
Atrial fibrillation; Thromboembolism; Vitamin K – antagonists and inhibitors; Anticoagulants

Hrčak ID: 235295

URI
https://hrcak.srce.hr/235295

[croatian]

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