• M Barber, G Roditi, D J Stott, and P Langhorne.
• Academic Section of Geriatric Medicine, Royal Infirmary, Glasgow, UK.
• Postgrad Med J. 2004 Feb 1; 80 (940): 899289-92.

BackgroundPrimary intracerebral haemorrhage (PICH) is associated with a poorer outcome than cerebral infarction. This study aimed to determine whether this is explained by the clinical severity of stroke.MethodsAn observational study of outcome in consecutive admissions with acute PICH and ischaemic stroke was undertaken. A nested case-control analysis, matched on a 1:2 basis for age, pre-stroke disability, early neurological impairment (Scandinavian Stroke Scale; SSS), and Oxfordshire Community Stroke Project classification was then performed. Follow up was at 30 days and at hospital discharge.ResultsOverall, 679 subjects were included in the analysis. Of these, 53 (8%) had PICH; this group had more severe initial neurological impairment (day 3 SSS 28 v 45 points, p<0.001) and a higher prevalence of total anterior circulation strokes (55% v 21%, p<0.001) than did the group admitted with ischaemic strokes. Outcomes were poorer in the PICH group, with 36% inpatient mortality and 68% of survivors having a day 30 modified Rankin Scale (MRS) of at least 3 (compared with 13% and 52%, respectively, in the ischaemic stroke group). Following matching for baseline clinical characteristics, the PICH group had a higher mortality, but this was not statistically significant; the day 30 MRS and institutionalisation rates in survivors were similar in the matched haemorrhage and infarct groups.ConclusionsCompared with ischaemic stroke, PICH is associated with higher mortality and increased disability in survivors. The severity of clinical stroke is a major contributor to these poor outcomes; baseline characteristics, however, do not fully explain outcome differences.

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