Abstract
Abstract
Background
Direct oral anticoagulants (DOAC) effectively prevent recurrent ischaemic events in atrial fibrillation (AF) patients with recent stroke. However, excellent adherence to DOAC is mandatory to guarantee sufficient anticoagulation as the effect quickly subsides.
Aim
To investigate the effect of intake reminders on adherence to DOAC.
Methods
MAAESTRO was a randomised, cross-over study in DOAC-treated AF patients hospitalised for ischaemic stroke. Adherence was measured by electronic monitoring for 12 months. After an observational phase, patients were randomised to obtain an intake reminder either in the first or the second half of the subsequent 6-month interventional phase. The primary outcome was 100%-timing adherence. Secondary outcomes were 100%-taking adherence, and overall timing and taking adherence. We analysed adherence outcomes using McNemar’s test or mixed-effects logistic models.
Results
Between January 2018 and March 2022, 130 stroke patients were included, of whom 42 dropped out before randomisation. Analysis was performed with 84 patients (mean age: 76.5 years, 39.3% women). A 100%-timing adherence was observed in 10 patients who were using the reminder, and in zero patients without reminder (p = 0.002). The reminder significantly improved adherence to DOAC, with study participants having 2.7-fold increased odds to achieve an alternative threshold of 90%-timing adherence (OR 2.65; 95% CI 1.05–6.69; p = 0.039). A similar effect was observed for 90%-taking adherence (OR 3.06; 95% CI 1.20–7.80; p = 0.019). Overall timing and taking adherence increased significantly when using the reminder (OR 1.70; 95% CI 1.55–1.86, p < 0.01; and OR 1.67; 95% CI 1.52–1.84; p < 0.01).
Conclusion
Intake reminders increased adherence to DOAC in patients with stroke attributable to atrial fibrillation.
Trial registration
ClinicalTrials.gov: NCT03344146.
Funder
University of Basel, Neurology and Scientific Fund of the University Hospital Basel
Swiss Academy of Medical Sciences and the Bangerter-Foundation
University of Basel
Publisher
Springer Science and Business Media LLC
Subject
Neurology (clinical),Neurology
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