ArticleEuropean stroke journal2026
Incidence, clinical characteristics and outcome of spontaneous cerebellar intracerebral haemorrhage in a Norwegian population.
Article in European stroke journal, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05378490 (The Akershus Study of Ischemic Stroke and Thrombolysis -1), which is not on this map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
The Akershus Study of Ischemic Stroke and Thrombolysis -1 (ASIST-1) Epidemiology, Clinical and Radiological Presentation and Treatment of Cerebrovascular Disease and Stroke Mimics in a Norwegian Population
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10 authors.
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Abstract
introductionCerebellar ICH accounts for 5%-10% of spontaneous ICH, yet cerebellar-specific incidence data are sparse and the unselected clinical spectrum and outcomes remain poorly characterised. PATIENTS AND
methodsWe retrospectively identified all adults (≥18 years) in the catchment area of a Norwegian stroke centre with spontaneous cerebellar ICH between 2009 and 2024, using discharge codes and radiological verification. We calculated crude and age-standardised incidence rates with 95% CIs, and assessed clinical characteristics, functional outcome (mRS) and mortality to 1 year.
resultsAmong 129 admissions (median age 75 years; 47% women), 120 were incident cases. Age-standardised incidence was 2.6 per 100,000 person-years (95% CI, 2.1-3.0), rising from 0.3 at < 55 to 21.0 at ≥ 85 years, and remained stable over 16 years (incidence rate ratio 0.97/year; 0.93-1.00). Median haematoma volume was 8.1 mL (mean 11.2 mL); one-third were anticoagulated; 13% underwent neurosurgery. Care limitation was frequent (45%; 64% aged ≥ 75). In-hospital mortality was 31% and 1-year mortality 41%; median time to death was 3 days. At 3 months, 29% achieved functional independence (mRS 0-2), and 36% when restricted to early-phase survivors (>3 days). DISCUSSION: Compared with tertiary surgical series, this unselected cohort had smaller haematomas and a lower surgical rate. Frequent care limitation in older patients reflects clinical reality outside referral centres.
conclusionsCerebellar ICH is rare, with an age gradient mirroring that of ICH overall. Although prognosis is dominated by early deaths, 1 in 3 acute-phase survivors regain functional independence, indicating that outcome is not uniformly poor. CLINICAL
trial registrationClinicalTrials.gov, NCT05378490.
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