Neurological complications in patients undergoing veno-venous extracorporeal membrane oxygenation (V-V ECMO) are challenging, with new intracranial pathologies posing a grave risk. We aimed to evaluate the utility of neuron-specific enolase (NSE) and S100B biomarkers for predicting outcomes in new-onset intracranial pathology during V-V ECMO. A retrospective analysis spanning 2013-2021 at a German university hospital was conducted. Cases with electronically available data on NSE and S100B serum levels, new intracranial pathologies (intracerebral hemorrhage [ICH], subarachnoid hemorrhage [SAH], cerebral ischemia, hypoxic-ischemic encephalopathy [HIE]), and survival during or after V-V ECMO were screened. The primary objective was to assess the prognostic value of NSE and S100B for in-hospital survival during V-V ECMO. Secondary objectives included analyzing clinical characteristics, outcome parameters, and biomarker distribution in V-V ECMO patients. Additionally, the prognostic value of NSE and S100B for in-hospital death and occurrence of intracranial pathology was calculated. Among 744 ECMO recipients, 426 underwent V-V ECMO. No significant differences in disease severity or organ failure scores were observed between groups, except for SAPS at discharge, which was higher in patients with new intracranial pathologies. Patients with new intracranial pathologies had lower median survival and higher in-hospital mortality. Weaning success from ECMO was also significantly reduced in these patients. Cut-off values of 58.4 µg/lfor NSE and 1.52 µg/l for S100B were associated with detrimental outcomes, characterized by significantly reduced median survival. A significant difference in maximum serum NSE concentration was found between patients with and without new intracranial pathology. All screened cases with new intracranial pathology had an unfavorable neurological outcome (modified Rankin Score [mRS] > 3) at discharge, with a higher proportion having an mRS of 6 in the high NSE group. The emergence of intracranial pathology during V-V ECMO significantly increases the risk of death. Changes in NSE and S100B levels serve as valuable follow-up parameters for predicting new intracranial pathology and survival during V-V ECMO therapy.

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http://dx.doi.org/10.1038/s41598-024-82898-3DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11655984PMC

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