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Year : 2018  |  Volume : 9  |  Issue : 1  |  Page : 102

Predicting long-term cardiovascular events after transient ischemic attacks: Carotid artery intima-media thickness or ABCD2 score or both?

1 Department of Neurology, School of Medicine, Alzahra University Hospital, Isfahan University of Medical Sciences, Isfahan, Iran
2 Department of Neurology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran

Correspondence Address:
Helia Hemasian
Department of Neurology, Alzahra University Hospital, Sofe Blvd., Isfahan
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijpvm.IJPVM_415_17

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Background: Patients who experienced transient ischemic attack (TIA) are at high-risk for cardiovascular events. This study aims to evaluate diagnostic value of carotid artery intima-media thickness (CIMT) and ABCD2 score for predicting cardiovascular events in long-term follow-up after TIA. We prospectively included sixty patients with TIA who admitted to hospital from March 2016 to August 2016. Methods: Duplex ultrasonography of internal carotid arteries was performed. ABCD2 scores were evaluated for each patient. At a median follow-up of 20 months, patients were asked about new cardiovascular events. We used IBM SPSS software version 22.0 with Chi-squared, t-test, ANOVA, receiver operating characteristic, and area under the curve (AUC) analysis for our work. Results: Sensitivity and negative predictive value of the combined score (ABCD2+CIMT) was the highest (96.3% and 90.9%, respectively), and the specificity and positive predictive value of the CIMT were the highest (57.5% and 63.1%, respectively) to predict cardiovascular events in long-term. Conclusion: Compared to ABCD2 score, CIMT proved to be more accurate to predict cardiovascular events in long-term follow-ups (AUC = 0.736 vs. AUC = 0.640). However, adding CIMT value to ABCD2 score was even better (AUC = 0.750). Therefore, CIMT measurement in the ABCD2 score after TIA enables prediction of long-term cardiovascular events.

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