Journal of critical care · 2022
NT-proBNP and troponin I in high-grade aneurysmal subarachnoid hemorrhage: Relation to clinical course and outcome.
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Svedung Wettervik Teodor, Howells Timothy, Hånell Anders, Nyberg Christoffer, Ronne-Engström Elisabeth
Аннотация
PURPOSE: To investigate the association between two cardiac biomarkers, NT-proBNP and TnI, with intracranial pressure (ICP)-/cerebral perfusion pressure (CPP)-insults, cerebral pressure autoregulation, delayed ischemic neurological deficits (DIND), and clinical outcome after aneurysmal subarachnoid hemorrhage (aSAH).
METHODS: In this retrospective study, 196 aSAH patients treated at the neurointensive care unit, Uppsala University Hospital, Sweden, 2011-2018, with ICP-monitoring and serial NT-proBNP and TnI measurements were included. The first 10 days were divided into early phase (day 1-3) and vasospasm phase (day 4-10).
RESULTS: NT-proBNP and TnI were elevated above the reference interval at least once the first 10 days in 175 (89%) and 116 (59%) patients, respectively. In the vasospasm phase, higher NT-proBNP and TnI were associated with increased percentage of CPP below 60 mmHg. Higher TnI also correlated with more ICP-insults above 20 mmHg. NT-proBNP and TnI did not predict worse pressure autoregulation and DIND. Higher NT-proBNP and TnI were associated with mortality and unfavorable outcome in univariate, but not multivariate, analyses.
CONCLUSION: Elevated NT-proBNP and TnI correlated with an increased burden of secondary ICP-/CPP-insults, but not with worse pressure autoregulation, DIND, and without independent association with clinical outcome.
METHODS: In this retrospective study, 196 aSAH patients treated at the neurointensive care unit, Uppsala University Hospital, Sweden, 2011-2018, with ICP-monitoring and serial NT-proBNP and TnI measurements were included. The first 10 days were divided into early phase (day 1-3) and vasospasm phase (day 4-10).
RESULTS: NT-proBNP and TnI were elevated above the reference interval at least once the first 10 days in 175 (89%) and 116 (59%) patients, respectively. In the vasospasm phase, higher NT-proBNP and TnI were associated with increased percentage of CPP below 60 mmHg. Higher TnI also correlated with more ICP-insults above 20 mmHg. NT-proBNP and TnI did not predict worse pressure autoregulation and DIND. Higher NT-proBNP and TnI were associated with mortality and unfavorable outcome in univariate, but not multivariate, analyses.
CONCLUSION: Elevated NT-proBNP and TnI correlated with an increased burden of secondary ICP-/CPP-insults, but not with worse pressure autoregulation, DIND, and without independent association with clinical outcome.