One-Year Risk of Stroke after Transient Ischemic Attack or Minor Stroke

In this international registry study of patients who had a transient ischemic attack or minor stroke and who were evaluated on an urgent basis by stroke specialists, the 1-year risk of recurrent stroke was 5.1%, which is lower than the risk reported in historical cohorts. Previous studies conducted between 1997 and 2003 estimated that the risk of stroke or an acute coronary syndrome was 12 to 20% during the first 3 months after a transient ischemic attack (TIA) or minor stroke. 1 , 2 Since then, there have been major changes in the management of TIA, including urgent management in specialized units, implementation of immediate investigations, and rapid treatment with antithrombotic agents and other stroke-prevention strategies. 1 – 4 Given these changes, the current prognosis of patients who have had a TIA and the role of risk-scoring systems in patients receiving urgent care are unclear. 5 – 11 Current guidelines recommend . . .