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  • Title: Recurrent stroke after lobar and deep intracerebral hemorrhage: a hospital-based cohort study.
    Author: Weimar C, Benemann J, Terborg C, Walter U, Weber R, Diener HC, German Stroke Study Collaboration.
    Journal: Cerebrovasc Dis; 2011; 32(3):283-8. PubMed ID: 21893981.
    Abstract:
    BACKGROUND: Recurrent stroke rates after intracerebral hemorrhage (ICH) vary widely between observational studies due to differences in ICH etiology and risk for thromboembolic events. We therefore aimed to assess the patient characteristics and prognosis after deep and lobar ICH in a well-characterized, multicenter, hospital-based cohort. METHODS: Patients were prospectively documented in 13 German neurological stroke centers. Of 744 patients with spontaneous ICH discharged alive, 516 (69.4%) gave informed consent and 496 (66.7%) could be followed up by central telephone interview over a mean duration of 2 years. RESULTS: In patients with deep ICH, the Kaplan-Meier estimate for stroke during the first year was 5.8% (95% CI 2.9-8.7) and the overall annual rate (calculated over a 3-year period) was 2.9% (95% CI 1.6-4.1). In patients with lobar ICH, the Kaplan-Meier estimate for stroke during the first year was 7.8% (95% CI 3.1-12.5) and the overall annual rate was 7.2% (95% CI 3.8-10.6). At the last follow-up before recurrent stroke or end of study, 141 patients (28.4%) overall received antiplatelet agents, and 12 (2.4%) received oral anticoagulation. No difference could be found for recurrent ICH under antiplatelet agents versus no antithrombotic medication. CONCLUSION: The risk of recurrent stroke after lobar ICH remains high beyond the first year, whereas it decreases after 1 year in patients with deep ICH. Antiplatelets are prescribed in a considerable number of patients even though the risk-benefit ratio after ICH remains unknown.
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