Abstract / Description of output
OBJECTIVE: A study was undertaken to assess whether cerebral small vessel disease (SVD) computed tomographic (CT) biomarkers are associated with long-term outcome after intracerebral hemorrhage.
METHODS: We performed a prospective, community-based cohort study of adults diagnosed with spontaneous intracerebral hemorrhage between June 1, 2010 and May 31, 2013. A neuroradiologist rated the diagnostic brain CT for acute intracerebral hemorrhage features and SVD biomarkers. We used severity of white matter lucencies and cerebral atrophy, and the number of lacunes to calculate the CT SVD score. We assessed the association between CT SVD biomarkers and either death, or death or dependence (modified Rankin Scale scores = 4-6) 1 year after first-ever intracerebral hemorrhage using logistic regression, adjusting for known predictors of outcome.
RESULTS: Within 1 year of intracerebral hemorrhage, 224 (56%) of 402 patients died. In separate models, 1-year death was associated with severe atrophy (adjusted odds ratio [aOR] = 2.54, 95% confidence interval [CI] = 1.44-4.49, p = 0.001) but not lacunes or severe white matter lucencies, and CT SVD sum score ≥ 1 (aOR = 2.50, 95% CI = 1.40-4.45, p = 0.002). Two hundred seventy-seven (73%) of 378 patients with modified Rankin Scale data were dead or dependent at 1 year. In separate models, 1-year death or dependence was associated with severe atrophy (aOR = 3.67, 95% CI = 1.71-7.89, p = 0.001) and severe white matter lucencies (aOR = 2.18, 95% CI = 1.06-4.51, p = 0.035) but not lacunes, and CT SVD sum score ≥ 1 (aOR = 2.81, 95% CI = 1.45-5.46, p = 0.002).
INTERPRETATION: SVD biomarkers on the diagnostic brain CT are associated with 1-year death and dependence after intracerebral hemorrhage, independent of known predictors of outcome. ANN NEUROL 2020.
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- Deanery of Clinical Sciences - Personal Chair of Clinical Neurology
- Centre for Clinical Brain Sciences
- Anne Rowling Regenerative Neurology Clinic
- Edinburgh Neuroscience
- Edinburgh Imaging
- Cerebrovascular Research Group
- Edinburgh Clinical Trials Unit
Person: Academic: Research Active