The ABCD2 score is commonly used in the UK to predict the risk of stroke during the first few days after a TIA. This study investigated whether it also could be used as a predictor of stroke severity.
The researchers analysed data on 500 TIAs among patients in Oxfordshire. Overall, they found that it was only weakly predictive of major stroke.
Lead researcher Dr Arvind Chandratheva, from the stroke prevention research unit at the University of Oxford, told delegates that the ABCD2 score appeared to predict severity rather than risk.
'Severity of recurrent event was strongly related to the ABCD2 score, but the risk of recurrent TIA was highest in patients with the lowest ABCD2 scores.'
He added that the findings increased the justification for hospital admission for those with high ABCD2 scores to maximise preventive treatment and allow early thrombolysis if a recurrence occurs.
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