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ABCD2 stroke risk score effective within 24 hours of TIA

GPs can use the ABCD2 risk score to predict stroke recurrences within a day of a TIA, according to a UK study.

Researchers at Oxford University studied 1,247 individuals after a first TIA and determined the 6-, 12-, and 24-hour risk of recurrent stroke. The 12- and 24-hour risks were strongly related to ABCD2 scores.

Of all strokes during the 30 days after a first TIA, 42% occurred within 24 hours, highlighting the importance of emergency assessments.

J Neurology 2009; 72: 1941-47

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