{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,21]],"date-time":"2026-10-21T10:28:16Z","timestamp":1792578496113,"version":"4.5.0"},"reference-count":40,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2024,2,16]],"date-time":"2024-02-16T00:00:00Z","timestamp":1708041600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Annals of Neurology"],"published-print":{"date-parts":[[2024,5]]},"abstract":"Objective<\/jats:title>Uncertainty remains regarding antithrombotic treatment in cervical artery dissection. This analysis aimed to explore whether certain patient profiles influence the effects of different types of antithrombotic treatment.<\/jats:p><\/jats:sec>Methods<\/jats:title>This was a post hoc exploratory analysis based on the per\u2010protocol dataset from TREAT\u2010CAD (NCT02046460), a randomized controlled trial comparing aspirin to anticoagulation in patients with cervical artery dissection. We explored the potential effects of distinct patient profiles on outcomes in participants treated with either aspirin or anticoagulation. Profiles included (1) presenting with ischemia (no\/yes), (2) occlusion of the dissected artery (no\/yes), (3) early versus delayed treatment start (<\/>median), and (4) intracranial extension of the dissection (no\/yes). Outcomes included clinical (stroke, major hemorrhage, death) and magnetic resonance imaging outcomes (new ischemic or hemorrhagic brain lesions) and were assessed for each subgroup in separate logistic models without adjustment for multiple testing.<\/jats:p><\/jats:sec>Results<\/jats:title>All 173 (100%) per\u2010protocol participants were eligible for the analyses. Participants without occlusion had decreased odds of events when treated with anticoagulation (odds ratio [OR] =\u20090.28, 95% confidence interval [CI] =\u20090.07\u20130.86). This effect was more pronounced in participants presenting with cerebral ischemia (n\u2009=\u2009118; OR\u2009=\u20090.16, 95% CI\u2009=\u20090.04\u20130.55). In the latter, those with early treatment (OR\u2009=\u20090.26, 95% CI\u2009=\u20090.07\u20130.85) or without intracranial extension of the dissection (OR\u2009=\u20090.34, 95% CI\u2009=\u20090.11\u20130.97) had decreased odds of events when treated with anticoagulation.<\/jats:p><\/jats:sec>Interpretation<\/jats:title>Anticoagulation might be preferable in patients with cervical artery dissection presenting with ischemia and no occlusion or no intracranial extension of the dissection. These findings need confirmation. 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