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Clinical characteristics and antithrombotic prescription in elderly hospitalized atrial fibrillation patients: A cross-sectional analysis of a Swedish single-center clinical cohort.
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ABSTRACT: Background
Antithrombotic treatment represents a dilemma in elderly patients with atrial fibrillation since both risk of thromboembolism and bleeding are age-dependent complications. A paradigm shift occurred over the past 10 years when aspirin was overcome by warfarin and further by the direct oral anticoagulants. Here we present a clinical practice-based analysis of a cohort of elderly inpatient atrial fibrillation patients and investigate the influence of clinical factors in the choice of antithrombotic strategy.Methods
Study participants (n = 2943) are consecutive patients aged 75-104 years discharged from a Swedish university hospital with atrial fibrillation or atrial flutter as main diagnosis between November 1st 2010 and December 31st 2017. Cardiovascular risk factors, comorbidities and antithrombotic treatment at discharge were manually extracted from medical charts. A logistic regression analysis was performed to estimate predictors of the probability to receive direct oral anticoagulants (DOACs) compared to warfarin.Results
Patients aged ?90 y (n = 446, women 73%) showed the highest prevalence of cardiovascular comorbidities and the highest bleeding and thromboembolic risk. DOACs became more commonly prescribed than warfarin in 2016/2017 across all ages. However, the probability to receive DOAC as compared to warfarin was lower in the presence of high bleeding risk (OR 0,55; 95% CI 0,40-0,77; p = 0,00) and high thromboembolic risk (OR 0,74; 95% CI 0,59-0,94; p = 0,01).Conclusion
Elderly atrial fibrillation patients represent a heterogenous group where the oldest (?90 years) show both a very high thromboembolic and bleeding risk profile. In the presence of high thromboembolic and bleeding risk, warfarin was still preferred over DOAC.
SUBMITTER: Ehrlinder H
PROVIDER: S-EPMC7114891 | biostudies-literature | 2020 Apr
REPOSITORIES: biostudies-literature
Publications
Clinical characteristics and antithrombotic prescription in elderly hospitalized atrial fibrillation patients: A cross-sectional analysis of a Swedish single-center clinical cohort.
International journal of cardiology. Heart & vasculature 20200330
<h4>Background</h4>Antithrombotic treatment represents a dilemma in elderly patients with atrial fibrillation since both risk of thromboembolism and bleeding are age-dependent complications. A paradigm shift occurred over the past 10 years when aspirin was overcome by warfarin and further by the direct oral anticoagulants. Here we present a clinical practice-based analysis of a cohort of elderly inpatient atrial fibrillation patients and investigate the influence of clinical factors in the choic ...[more]