ArticleThe Neurohospitalist2024
The Impact of Changing Antithrombotic Management in Patients With Atrial Fibrillation and Ischemic Cerebrovascular Events Despite Anticoagulation.
Article in The Neurohospitalist, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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7 authors.
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Abstract
Background: Patients with atrial fibrillation (AF) are at increased risk of ischemic cerebrovascular events despite anticoagulants (AC). We aim to evaluate whether changing AC or adding antiplatelet therapy to anticoagulants (AP + AC) in patients with AF presenting with acute ischemic stroke (AIS) or transient ischemic attack (TIA) despite AC, decreases the risk of recurrent AIS/TIA compared to patients continued on same AC regimen. Methods: Patients with AF on AC presenting with AIS or TIA at our center between 2011- 2021 were included. Data on Demographics, index event, antithrombotic therapy before and after index event, recurrent AIS/TIA, or major bleeding events (MBE) were extracted. Cox proportional hazards models were used to compare outcomes between AC unchange vs AC change, and AP + AC vs AC only groups. Results: One hundred eighty-five patients were included (mean age 78.3 years; 62% males, median follow-up 9 months (IQR 1-34)). Seventeen patients (9%) had AC change, 100 (54%) received AP + AC, 39 (21%) had recurrent AIS/TIA, and 27 (15%) had MBE following index event. No difference was observed between AC unchange vs AC change and AP + AC vs AC only groups regarding recurrent AIS/TIA (HR 1.72 [.65-4.57], Conclusion: In this single center retrospective study of 185 patients with AF and AIS/TIA despite AC, changing AC or adding AP agents did not decrease the risk of ischemic cerebrovascular events.
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