Amarenco P., et al. Five year risk of stroke after TIA or Minor ischemic stroke. NEJM; 378: 2182-2190.
Methods: TIA registry from 2009-2011, 21 countries, 4789 patients. Outcome was composite ischemic brain or heart or death.
results rate of stroke,coronary syndrome or death was 6.4 percent in the first year, 6.4 percent infers 2-5. ABCD2 score predicted a higher rate of stroke if score was greater than or equal to 4. The presence of a brain lesion on imaging was not important.
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