Study Shows Starting Anticoagulants Early Can Prevent Repeat Strokes in Atrial Fibrillation Patients

A recent study led by UCL researchers found that starting blood-thinning medication within four days of a stroke is safe and effective in reducing the risk of another stroke for patients with atrial fibrillation. The study, published in The Lancet, included data from 5,441 patients across the UK, Switzerland, Sweden, and the United States. The findings suggest that early treatment with anticoagulants could greatly benefit individuals with atrial fibrillation who have experienced a stroke.

Jun 26, 2025 - 21:01
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Study Shows Starting Anticoagulants Early Can Prevent Repeat Strokes in Atrial Fibrillation Patients

Patients with atrial fibrillation who have experienced a stroke could benefit from earlier treatment than currently recommended in UK guidelines, according to a study led by UCL researchers. The CATALYST study, published in The Lancet, analyzed data from four trials involving 5,441 patients who had recently suffered a stroke due to a blocked artery and atrial fibrillation. Patients who started blood-thinning medication within four days of their stroke had a 30% lower risk of another stroke compared to those who started later. Atrial fibrillation increases the risk of stroke, and anticoagulants can help reduce this risk. The study supports early initiation of blood-thinning treatment for stroke patients with atrial fibrillation.

According to the source: News-Medical.

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