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QJM Advance Access originally published online on October 15, 2008
QJM 2009 102(1):43-49; doi:10.1093/qjmed/hcn139
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© The Author 2008. Published by Oxford University Press on behalf of the Association of Physicians. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org

A recognition tool for transient ischaemic attack

J. Dawson, K.E. Lamb, T.J. Quinn, K.R. Lees, M. Horvers, M.J. Verrijth and M.R. Walters

From the Division of Cardiovascular and Medical Sciences, Western Infirmary Hospital, University of Glasgow, UK

Address correspondence to Jesse Dawson, Lecturer in Clinical Pharmacology and Medicine, Western Infirmary Hospital, Dumbarton Road, Glasgow, G11 6NT, UK. email: j.dawson{at}clinmed.gla.ac.uk

Received 19 June 2008 and in revised form 15 October 2008


  Abstract

Background: Scoring systems exist to assist rapid identification of acute stroke but not for the more challenging diagnosis of transient ischaemic attack (TIA).

Aim: To develop a clinical scoring system to assist with diagnosis of TIA.

Methods: We developed and validated a clinical scoring system for identification of TIA patients. Logistic regression analysis was employed.

Results: Our development cohort comprised 3216 patients. The scoring system included nine clinically useful predictive variables. After adjustment to reflect the greater seriousness of missing true TIA patients (a 2:1 cost ratio), 97% of TIA and 24% of non-TIA patients were accurately identified. Our results were confirmed during prospective validation.

Conclusions: This simple scoring system performs well and could be used to facilitate accurate detection of TIA.


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