期刊
STROKE
卷 45, 期 2, 页码 413-417出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1161/STROKEAHA.113.002838
关键词
amyloid; cerebral hemorrhage; prognosis
资金
- Spanish Ministry of Health (Instituto Carlos III) [FIS PI071062]
- Spanish Ministry of Health (Redes Tematicas de Investigacion Cooperativa RETICS (Redes Tematicas de Investigacion Cooperativa) [INVICTUS-RD12/0014/0002]
- Fondo Europeo de Desarrollo Regional (FEDER)
Background and Purpose It has been proposed that the deposition of the -amyloid peptide (A) in the brain parenchyma and brain blood vessels has deleterious effects. We tested the hypothesis that the levels of plasma A are related to the outcome in patients with intracerebral hemorrhage. Methods In a multicenter study, we prospectively included patients with spontaneous intracerebral hemorrhage within the first 24 hours after onset. At admission, we measured plasma A40 and A42 levels using ELISA techniques. Also, we recorded age, sex, vascular risk factors, National Institutes of Health Stroke Scale score, presence of intraventricular hemorrhage, localization, cause, and volume of the hematoma. We obtained the modified Rankin scale and defined a unfavorable outcome as modified Rankin scale >2 at 3 months. Bivariate and multivariate regression analyses were performed. Results We studied 160 patients (mean age, 73.811.3 years; 59.4% of them were men). A favorable outcome was observed in 64 (40%) of the patients. In the bivariate analyses, unfavorable outcome was associated with high age, female sex, diabetes mellitus, presence of intraventricular hemorrhage, high blood glucose, high National Institutes of Health Stroke Scale score, high volume, and high plasma levels of A42 and A40. The multivariate analysis showed that increased age (odds ratio, 1.07; 95% confidence interval, 1.035-1.21; P<0.0001), high admission National Institutes of Health Stroke Scale score (odds ratio, 1.29, 95% confidence interval, 1.17-1.42; P<0.0001), presence of diabetes mellitus (odds ratio, 4.15; 95% confidence interval, 1.21-14.1; P=0.02), and A42 levels >9.7 pg/mL (odds ratio, 4.11; 95% confidence interval, 1.65-10.1; P=0.02) were independently associated with an increased likelihood of an unfavorable outcome. Conclusions High levels of plasma A42 in patients with acute intracerebral hemorrhage are associated with a poor functional prognosis.
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