Serum tau fragments as predictors of death or poor neurological outcome after out-of-hospital cardiac arrest
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- Serum tau fragments as predictors of death or poor neurological outcome after out-of-hospital cardiac arrest_AAM
Accepted author manuscript, 911 KB, PDF document
Background: Anoxic brain injury is the primary cause of death after resuscitation from out-of-hospital cardiac arrest (OHCA) and prognostication is challenging. The aim of this study was to evaluate the potential of two fragments of tau as serum biomarkers for neurological outcome. Methods: Single-center sub-study of 171 patients included in the Target Temperature Management (TTM) Trial randomly assigned to TTM at 33 °C or TTM at 36 °C for 24 h after OHCA. Fragments (tau-A and tau-C) of the neuronal protein tau were measured in serum 24, 48 and 72 h after OHCA. The primary endpoint was neurological outcome. Results: Median (quartile 1 - quartile 3) tau-A (ng/ml) values were 58 (43-71) versus 51 (43-67), 72 (57-84) versus 71 (59-82) and 76 (61-92) versus 75 (64-89) for good versus unfavourable outcome at 24, 48 and 72 h, respectively (pgroup = 0.95). Median tau C (ng/ml) values were 38 (29-50) versus 36 (29-49), 49 (38-58) versus 48 (33-59) and 48 (39-59) versus 48 (36-62) (pgroup = 0.95). Tau-A and tau-C did not predict neurological outcome (area under the receiver-operating curve at 48 h; tau-A: 0.51 and tau-C: 0.51). Conclusions: Serum levels of tau fragments were unable to predict neurological outcome after OHCA.
Original language | English |
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Journal | Biomarkers |
Volume | 24 |
Issue number | 6 |
Pages (from-to) | 584-591 |
Number of pages | 8 |
ISSN | 1354-750X |
DOIs | |
Publication status | Published - 2019 |
- Aged, Biomarkers/blood, Body Temperature, Cardiopulmonary Resuscitation/methods, Female, Humans, Hypoxia, Brain/blood, Male, Middle Aged, Out-of-Hospital Cardiac Arrest/blood, Peptide Fragments/blood, Prognosis, Prospective Studies, ROC Curve, Survival Analysis, Treatment Outcome, tau Proteins/blood
Research areas
ID: 235851156