Timing of Anticoagulation for Stroke and Atrial Fibrillation

Weekly Neurology Deep Dive - A review of recent impactful publications in the field of Neurology · Jul 5, 2025 · 14m

This systematic review and individual participant data meta-analysis of randomized controlled trials focuses on the optimal timing for initiating direct oral anticoagulants (DOACs) in patients who have experienced an acute ischemic stroke alongside atrial fibrillation. The study, known as CATALYST, analyzes data from four major trials (TIMING, ELAN, OPTIMAS, and START) to determine if starting DOACs early (within 4 days) significantly reduces the risk of recurrent stroke or hemorrhage. The findings suggest that early DOAC initiation is beneficial in reducing a composite outcome of recurrent…