Asymptomatic Carotid Surgery Trial

The Asymptomatic Carotid Surgery Trial (ACST) was a scientific study that investigated whether performing surgery to remove plaque from the carotid artery helps prevent strokes in people without symptoms. The carotid arteries are neck vessels that supply blood to the brain; blockages can lead to strokes. The trial compared outcomes in patients who had surgery (carotid endarterectomy) versus those who were managed with medical treatments. Its findings helped guide doctors in deciding when surgery might be beneficial for people at risk but who haven't yet experienced symptoms, balancing the potential benefits against the risks of the procedure.