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This research evaluates the effectiveness of the ABCD2 score in predicting stroke risk in TIA patients with severe intracranial stenosis.

Abstract Number: Esoc2026a2427 Abcd2 Score May Not Be a Reliable Stroke Predictor in Tia Patients With Severe Intracranial Stenosis, a Case Series

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Randomized trial assesses stroke prediction in TIA patients with severe intracranial stenosis, suggesting the ABCD2 score may be unreliable.

This research evaluates the effectiveness of the ABCD2 score in predicting stroke risk in TIA patients with severe intracranial stenosis.
Retrospective review of consecutive patients at a stroke center from July 2024 to June 2025.
Patients involved experienced TIA prior to their first stroke, with stroke attributed to angiographically verified significant stenosis.
All patients received loading doses of aspirin and clopidogrel.
Out of 16 patients with TIA, 7 had resolved symptoms by the time of treatment.
All patients had low ABCD2 scores (2-3), leading to discharge decisions despite underlying stenosis.
1 in 5 patients with low-risk ABCD2 scores had symptomatic stenotic lesions, highlighting scoring limitations.

Elkady et al. (2026) studied this question.

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Randomized trial assesses stroke prediction in TIA patients with severe intracranial stenosis, suggesting the ABCD2 score may be unreliable.