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We identified 129 medically treated patients with high-grade carotid stenosis who had their first-ever transient ischemic attack as the entry event into the trial.Fifty-nine patients with retinal transient ischemic attacks(RTIAs)were compared with 70 patients with hemispheric transient ischemic attacks(HTIAs).To our knowledge,this study is the first report on the expected outcome for medically treated patients with high-grade(70%to 99%)carotid stenosis in whom the first-ever event was either an RTIA or HTIA.The presence of RTIAs carries a considerable risk of ipsilateral strokes,particularly at higher degrees of stenosis.However,in comparison with HTIAs,patients with RTIAs still have a better prognosis. |
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