• Cerebrovascular diseases · Jan 2011

    Management of patients with transient ischemic attack is safe in an outpatient clinic based on rapid diagnosis and risk stratification.

    • Sabine Hörer, Gernot Schulte-Altedorneburg, and Roman L Haberl.
    • Department of Neurology and Neurologic Intensive Medicine, Klinikum Harlaching, Städtisches Klinikum München GmbH, Munich, Germany. sabine.hoerer@klinikum-muenchen.de
    • Cerebrovasc. Dis. 2011 Jan 1;32(5):504-10.

    BackgroundTransient ischemic attack (TIA) patients are at high risk of short-term stroke, myocardial infarction and vascular death. Stroke risk is reduced by immediate treatment initialization. Stroke unit treatment is recommended for TIA patients. We established an outpatient TIA clinic to address the question whether outpatient evaluation of suspected TIA is safe.MethodsTIA workup included cerebral imaging, duplex sonography, transcranial Doppler screening for patent foramen ovale, electrocardiography, blood tests, ABCD(2) score and ankle-brachial index within one day. TIA patients received secondary prophylaxis immediately. TIA patients fulfilling predefined criteria for high early stroke risk (ABCD(2) score ≥4 points and TIA within 72 h, symptomatic stenosis, newly detected atrial fibrillation, recurrent TIA) were referred to the stroke unit. The remaining patients were discharged home. 90-day telephone follow-up was obtained.Results123 consecutive patients with suspected TIA (53 male, age 59 ± 17.2 years) were prospectively evaluated. TIA or minor stroke was diagnosed in 69 (56%), and TIA mimics in 54 (44%) patients. Median time from symptom onset to presentation was 48 h (1 h to 3 months). Patients with TIA/minor stroke presented significantly more frequently with ABCD(2) score ≥4 points (p = 0.021). Twelve patients (9.8%) were admitted to the stroke unit. There were 2 strokes during follow-up. The stroke rate was 1.6% within all patients, and 2.9% within the subgroup of patients with TIA/minor stroke, compared to 5.7% predicted by the ABCD(2) score. Other vascular end points were not found.ConclusionBased on risk stratification, outpatient evaluation of TIA is safe. TIA mimics are frequent.Copyright © 2011 S. Karger AG, Basel.

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