• J. Neurol. Neurosurg. Psychiatr. · Aug 2020

    Multicenter Study Observational Study

    Longer term stroke risk in intracerebral haemorrhage survivors.

    • Gargi Banerjee, Duncan Wilson, Gareth Ambler, Isabel Charlotte Hostettler, Clare Shakeshaft, Hannah Cohen, Tarek Yousry, Rustam Al-Shahi Salman, LipGregory Y HGYHLiverpool Centre for Cardiovascular Science... more , University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, United Kingdom.Aalborg Thrombosis Research Unit, Department of Clinical Medicine, Aalborg University, Aalborg, Denmark., Henry Houlden, Keith W Muir, Martin M Brown, Hans Rolf Jäger, David J Werring, and CROMIS-2 collaborators. less
    • Stroke Research Centre, Department of Brain Repair and Rehabilitation, UCL Queen Square Institute of Neurology and the National Hospital for Neurology and Neurosurgery, London, United Kingdom.
    • J. Neurol. Neurosurg. Psychiatr. 2020 Aug 1; 91 (8): 840-845.

    ObjectiveTo evaluate the influence of intracerebral haemorrhage (ICH) location on stroke outcomes.MethodsWe included patients recruited to a UK hospital-based, multicentre observational study of adults with imaging confirmed spontaneous ICH. The outcomes of interest were occurrence of a cerebral ischaemic event (either stroke or transient ischaemic attack) or a further ICH following study entry. Haematoma location was classified as lobar or non-lobar.ResultsAll 1094 patients recruited to the CROMIS-2 (Clinical Relevance of Microbleeds in Stroke) ICH study were included (mean age 73.3 years; 57.4% male). There were 45 recurrent ICH events (absolute event rate (AER) 1.88 per 100 patient-years); 35 in patients presenting with lobar ICH (n=447, AER 3.77 per 100 patient-years); and 9 in patients presenting with non-lobar ICH (n=580, AER 0.69 per 100 patient-years). Multivariable Cox regression found that lobar ICH was associated with ICH recurrence (HR 8.96, 95% CI 3.36 to 23.87, p<0.0001); similar results were found in multivariable completing risk analyses. There were 70 cerebral ischaemic events (AER 2.93 per 100 patient-years); 29 in patients presenting with lobar ICH (AER 3.12 per 100 patient-years); and 39 in patients with non-lobar ICH (AER 2.97 per 100 patient-years). Multivariable Cox regression found no association with ICH location (HR 1.13, 95% CI 0.66 to 1.92, p = 0.659). Similar results were seen in completing risk analyses.ConclusionsIn ICH survivors, lobar ICH location was associated with a higher risk of recurrent ICH events than non-lobar ICH; ICH location did not influence risk of subsequent ischaemic events.Trial Registration NumberNCT02513316.© Author(s) (or their employer(s)) 2020. No commercial re-use. See rights and permissions. Published by BMJ.

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