Complications
The risk of stroke following TIA is considerable. The post-TIA period reflects a period of high risk, potentially due to unstable plaque, thrombus, or exposed thrombogenic surfaces.
Probability of second stroke is heavily weighted toward increased risk in the early post-TIA period with half of the 10% of events, which occur in the 3 months following the initial TIA , occurring in the initial 2 days.[77]
The risk of coronary ischaemia after stroke is less than that of a second cerebrovascular event, but still significant. This reflects common risk factors and also increased cardiovascular stress after intracranial events.
The cardiovascular complication rates following TIA are approximately half the rate of those of completed stroke,[78] with the rate of complications in the first 3 months after TIA being in the range of approximately 2% to 3%.[77][78]
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