Key result
Age ≥65 years was an independent risk factor for significant carotid stenosis in Thai patients with ischemic stroke or TIA (OR 4.0, P < .0001).
Why the study?
What are the risk factors for significant carotid stenosis in Thai patients with ischemic stroke or TIA?
Observational (n=458)
What are the risk factors for significant carotid stenosis in Thai patients with ischemic stroke or TIA?
Odds Ratio: 4
p-value: p=<.0001
Age ≥65 years is a strong independent risk factor for significant carotid stenosis in Thai patients presenting with ischemic stroke or TIA, supporting routine carotid evaluation in this older demographic.
May support age-based carotid imaging decisions in Thai stroke/TIA patients; leaves open prospective validation and outcome impact.
We looked for risk factors for significant carotid stenosis (CS) in patients with ischemic stroke. We included all patients treated for an ischemic stroke/transient ischemic attack (TIA) and had a carotid duplex done from August 2006 to November 2008. A total of 458 patients were included. Significant CS of the extracranial internal carotid artery and the common carotid artery were found in 10.9% (50 of 458 patients). Age (≥65 years old) was the independent risk factor for CS (OR 4.0, P < .0001). The patients with a CS had more history of coronary artery disease (12% vs 8%, P = .32), prior ischemic stroke (18% vs 11%, P = .17), atrial fibrillation (10% vs 5%, P = .19), and smoking (28% vs 24%, P = .18) compared with the patients without CS. The evaluation of the carotid arteries should be recommended in patients with ischemic stroke/TIA, especially in the older ones (≥65 years old).
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Dharmasaroja et al. (2010) conducted an observational in Ischemic stroke or TIA (n=458). Age ≥65 years vs. Age <65 years was evaluated on Significant carotid stenosis (CS) (OR 4.0, p=<.0001). Age ≥65 years was an independent risk factor for significant carotid stenosis in Thai patients with ischemic stroke or TIA (OR 4.0, P < .0001).
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