What question did this study set out to answer?

To assess the diagnostic accuracy and clinical implications of pre-hospital LVO triage scales versus standard assessment for acute stroke.

Abstract Number: Esoc2026a207 Pre-Hospital Triage Systems for Large Vessel Occlusion Stroke: A Systematic Review and Meta-Analysis of Diagnostic Accuracy and Clinical Impact

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Systematic review evaluates diagnostic accuracy of pre-hospital LVO triage scales in adults, suggesting improved outcomes.

To assess the diagnostic accuracy and clinical implications of pre-hospital LVO triage scales versus standard assessment for acute stroke.
Systematic review and meta-analysis following PRISMA guidelines.
Review of prospective and retrospective studies assessing pre-hospital tools against vascular imaging.
Data extraction included sensitivity, specificity, AUC, and transport rates to thrombectomy-capable centres.
Pooled sensitivity for LVO detection was 0.78 (95% CI: 0.72–0.84); pooled specificity was 0.72 (95% CI: 0.65–0.78).
FAST-ED and RACE scales had the highest AUCs at 0.84 and 0.82 respectively.
Structured triage increased direct transport to thrombectomy-capable centres (OR: 1.68; 95% CI: 1.29–2.21) and reduced onset-to-arterial puncture time by an average of 34 minutes (95% CI: 21–47).

Ibrahim Serag (2026) studied this question.

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View Full Paper

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Authors

Systematic review evaluates diagnostic accuracy of pre-hospital LVO triage scales in adults, suggesting improved outcomes.

To assess the diagnostic accuracy and clinical implications of pre-hospital LVO triage scales versus standard assessment for acute stroke.
Systematic review and meta-analysis following PRISMA guidelines.
Review of prospective and retrospective studies assessing pre-hospital tools against vascular imaging.
Data extraction included sensitivity, specificity, AUC, and transport rates to thrombectomy-capable centres.
Pooled sensitivity for LVO detection was 0.78 (95% CI: 0.72–0.84); pooled specificity was 0.72 (95% CI: 0.65–0.78).
FAST-ED and RACE scales had the highest AUCs at 0.84 and 0.82 respectively.
Structured triage increased direct transport to thrombectomy-capable centres (OR: 1.68; 95% CI: 1.29–2.21) and reduced onset-to-arterial puncture time by an average of 34 minutes (95% CI: 21–47).

Ibrahim Serag (2026) studied this question.

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