Abstract
A prognostic biomarker that can provide a good prediction of prognosis in patients with intracerebral hemorrhage (ICH) would be beneficial in guiding the initial management decisions in the setting of ICH. N-terminal pro-brain natriuretic peptide (NT-proBNP) is a biomarker of prognosis in patients with cardiovascular disease and ischemic stroke. However, the prognostic role of NT-proBNP in patients with spontaneous ICH is still a controversial issue. This study aimed to determine the prognostic value of NT-proBNP in patients with spontaneous ICH. A total of 132 patients from 571 ICH cases in inpatient settings were enrolled in this study. Blood samples from each subject were obtained and analyzed for NT-proBNP on admission and on days 4 and 7. The first end point was functional outcome at discharge, which was dichotomized into favorable or unfavorable; the secondary end point was mortality within 6 months after ICH. Compared with the baseline levels on admission after ICH, the NT-proBNP levels increased markedly on day 4 (P < 0.05). Multivariate logistic regression analysis indicated that the NT-proBNP level on day 4, the ICH score, and the APACHE II score were independent prognostic factors of functional outcome and 6-month mortality in ICH patients. A cutoff NT-proBNP level of 999.85 pg/ml predicted an unfavorable functional outcome (with 66.1% sensitivity and 98.7% specificity) and 6-month mortality (with 93.8% sensitivity and 92.0% specificity) in ICH patients. Thus, the NT-proBNP level on day 4 was found to be a powerful prognostic predictor of functional outcome and 6-month mortality in ICH patients, which would be beneficial to guiding the initial management decisions in the setting of ICH.
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We gratefully acknowledge the help of all members of the Department of Neurosurgery, Renmin Hospital of Wuhan University, as well as the patients and their families who participated in the study; their participation and contributions made this study possible.
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This study was conducted in accordance with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The research protocol was approved by the Medical Ethics Board of the Renmin Hospital of Wuhan University. Informed consent was obtained from all patients or their next of kin.
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Li, F., Chen, QX., Xiang, SG. et al. The role of N-terminal pro-brain natriuretic peptide in evaluating the prognosis of patients with intracerebral hemorrhage. J Neurol 264, 2081–2087 (2017). https://doi.org/10.1007/s00415-017-8602-0
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DOI: https://doi.org/10.1007/s00415-017-8602-0