• Resuscitation · Mar 2020

    Review Meta Analysis

    Neuroprognostic accuracy of blood biomarkers for post-cardiac arrest patients: A systematic review and meta-analysis.

    • Chih-Hung Wang, Wei-Tien Chang, Ke-Ing Su, Chien-Hua Huang, Min-Shan Tsai, Eric Chou, Tsung-Chien Lu, Wen-Jone Chen, Chien-Chang Lee, and Shyr-Chyr Chen.
    • Department of Emergency Medicine, National Taiwan University Hospital, Taipei, Taiwan; Department of Emergency Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan.
    • Resuscitation. 2020 Mar 1; 148: 108-117.

    AimTo summarise and compare the prognostic accuracy of the blood biomarkers of brain injury, including NSE and S-100B, for neurological outcomes in adult post-cardiac arrest patients.MethodsWe systematically searched PubMed and Embase databases from their inception to March 2019. We selected studies providing sufficient data of prognostic values of NSE or S-100B to predict neurological outcomes in adult post-cardiac arrest patients. We adopted QUADAS-2 to assess risk of bias and a Bayesian bivariate random-effects meta-analysis model to synthesise the prognostic data. The study protocol was registered with PROSPERO (CRD42018084933).ResultsWe included 42 studies involving 4806 patients in the meta-analysis. The NSE was associated with a pooled sensitivity of 0.56 (95% credible interval [CrI], 0.47-0.65) and pooled specificity of 0.99 (95% CrI, 0.98-1.00). The S-100B was associated with a pooled sensitivity of 0.63 (95% CrI, 0.46-0.78) and pooled specificity of 0.97 (95% CrI, 0.92-1.00). The heterogeneity for NSE (I2, 22.4%) and S-100B (I2, 16.1%) was low and publication bias was not significant. In subgroup analyses, both biomarkers were associated with high specificity across all subgroups with regard to different populations (i.e. whether patients were out-of-hospital cardiac arrest or whether patients received targeted temperature management), different timings of measurement, and different timings of outcome assessment.ConclusionsThe prognostic performance was comparable between NSE and S-100B. Both biomarkers may be integrated into a multimodal neuroprognostication algorithm for post-cardiac arrest patients and institution-specific cut-off points for both biomarkers should be established.Copyright © 2020 Elsevier B.V. All rights reserved.

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