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Chao, T; Kuo, L; Lip, G Y H; Chen, S A
European heart journal, 11/2023, Letnik: 44, Številka: Supplement_2Journal Article
Abstract Background Dementia and atrial fibrillation (AF) have many shared risk factors, and the presence of AF is associated with a higher risk of incident dementia. Although patients with dementia have higher risk of adverse cardiovascular events, there are limited data on the risks of incident AF, and the associated AF-related clinical outcomes. Patients with dementia are under-represented in randomised trials, and even if AF is present, oral anticoagulants (OAC) are not prescribed frequently. We aimed to report the incidence of newly-diagnosed AF in dementia patients, and the impact on stroke and bleeding outcomes with vitamin K antagonist (VKA, eg warfarin) and non-VKA OAC (NOACs). Methods Nationwide cohort study of 544,074 patients with dementia, compared to 554,074 age- and sex-matched patients without dementia. Results Rates of newly-diagnosed AF were higher in patients with dementia compared to those without history of dementia (1.89 per 100 person-years vs 1.78 per 100 person-years, respectively); adjusted risk of incident AF was greater in all types of dementia, pre-senile/senile dementia and vascular dementia (Figure 1). When compared to non-OAC users, warfarin use was associated with higher risk of ischaemic stroke (aHR, 1.290; 95% CI, 1.156 - 1.440), intracranial hemorrhage (ICH) risk (aHR, 1.678; 95% CI, 1.346 - 2.09) and major bleeding (aHR, 1.192; 95% CI, 1.073 - 1.323). NOAC use was associated with lower risk of ischaemic stroke (aHR, 0.42; 95% CI, 0.352 - 0.501) and major bleeding (aHR; 0.504, 95% CI, 0.433 - 0.587), when compared to non-OAC use (Figure 2). Conclusions In this large nationwide cohort of dementia patients, the incidence rate of newly-diagnosed or incident AF was higher in patients with dementia compared to patients without dementia. Compared to non-OAC users, NOAC use was associated with a lower risk of ischaemic stroke and major bleeding. Patients with dementia require a holistic approach to their care and management, including the use of NOACs to reduce their risks of clinical events.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Vir: Osebne bibliografije
in: SICRIS
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