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Turkish Journal of Medical Sciences

DOI

10.55730/1300-0144.5395

Abstract

Background/aim: This study aims to analyze the real-life data of patients who were prescribed rivaroxaban and apixaban and to emphasize the points that we think will make a difference compared to randomized controlled studies. Materials and methods: The patients who accepted to participate in the study in whom rivaroxaban (15-20 mg) and apixaban (2.5-5 mg) were started with the diagnosis of atrial fibrillation between 01 January 2018 and 31 December 2019 and whose records were fully accessed through the hospital automation system were included in the study. Results: One hundred and ninety-four (48.5%) of a total of 400 patients using rivaroxaban and apixaban were women. The mean age was 73.34 ± 10.45 years, and the age range was 41-98. There was no significant difference in terms of demographic characteristics, background information of the patients, and the medications. Drug-induced complications and mortality rates were also similar. The GFR change rates of the patients in both groups were similar even though the initial GFRs were significantly higher in rivaroxaban group. The mean age and ejection fractions of the patients using rivaroxaban 15 mg were found to be lower than those of patients using rivaroxaban 20 mg whereas the mean systolic blood pressure and HAS-BLED score were found to be higher. Ischemic stroke and mortality rates were higher in patients using 15 mg rivaroxaban than patients using 20 mg rivaroxaban. The rates of nonmajor bleeding in patients using rivaroxaban 15 mg were lower compared to those using 20 mg, and this difference was statistically significant. Conclusion: Stroke rates were found to be higher and to have similar bleeding rates compared to major clinical studies in our real-life analysis. However, high ischemic cerebrovascular event and low nonmajor bleeding rates are remarkable in low dose use of rivaroxaban. It is clear that there is a need to consider existing dose reduction criteria in terms of correct prescribing.

First Page

948

Last Page

957

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