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Article Abstract
Background: Elevated levels of troponin-I (TnI) are common in out-of-hospital cardiac arrest (OHCA) patients. However, studies evaluating the prognostic value of TnI clearance in OHCA patients are lacking. We aimed to examine how TnI clearance (TnI-C) differed according to the neurological outcome group and mortality group at 6 months.
Methods: This retrospective observational study involved adults ( 18 years) who were treated for an OHCA between January 2019 and December 2022. The TnI-Cs were calculated for days 1 to 2 (TnI-C1st) and 2 to 3 (TnI-C2nd) after the return of spontaneous circulation (ROSC). The primary outcome was a poor neurological outcome at 6 months, defined by cerebral performance categories 3, 4, and 5. The secondary outcome was 6-month mortality.
Results: A total of 227 patients were included. A poor neurological outcome and mortality at 6-months were reported in 150 (66.1%) and 118 (52.0%) patients, respectively. The TnI-C1st was significantly lower in patients with a poor outcome compared with good outcome patients (neurological outcome at 6 months, 54.4% vs. 42.3%; 6-month mortality, 52.1% vs. 42.7%, respectively). In the multivariable analyses, a TnI-C1st 50% was associated with a poor neurological outcome (odds ratio [OR] 2.078, 95% confidence interval [CI] 1.080-3.995, = 0.028) and mortality (OR 2.131, 95% CI 1.114-4.078, = 0.022) at 6 months.
Conclusions: After ROSC, TnI-C1st 50% was associated with a poor neurological outcome and mortality at 6 months in OHCA patients.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11262335 | PMC |
| http://dx.doi.org/10.31083/j.rcm2501024 | DOI Listing |
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