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. 2024 Sep;271(9):6313-6324.
doi: 10.1007/s00415-024-12536-5. Epub 2024 Aug 6.

Cardiac biomarkers are associated with increased risks of adverse clinical outcomes after ischemic stroke

Xinyue Chang #  1 , Shiliang Xia #  2 , Yang Liu  2   3 , Xueyu Mao  2 , Xuechun Wu  2 , Min Chu  2 , Huicong Niu  2 , Lulu Sun  1 , Yu He  1 , Yi Liu  1 , Daoxia Guo  4 , Mengyao Shi  1 , Yonghong Zhang  1 , Zhengbao Zhu  5 , Jing Zhao  6   7
Affiliations

Cardiac biomarkers are associated with increased risks of adverse clinical outcomes after ischemic stroke

Xinyue Chang et al. J Neurol. 2024 Sep.

Abstract

Background: Impaired cardiac function was suggested to be implicated in the functional recovery after ischemic stroke, but the prognostic value of cardiac biomarkers among ischemic stroke patients remains unclear. We aimed to prospectively explore the associations of serum lactate dehydrogenase (LDH), plasma N-terminal pro-brain natriuretic peptide (NT-proBNP), and plasma high-sensitivity cardiac troponin T (hs-cTnT) with adverse clinical outcomes after ischemic stroke in a large-scale cohort study.

Methods: We measured serum LDH, plasma NT-proBNP, and plasma hs-cTnT levels at baseline among 5056 ischemic stroke patients from the Minhang Stroke Cohort study. All patients were followed up at 3 months after ischemic stroke onset. The primary outcome was composite outcome of death and major disability (modified Rankin Scale [mRS] score ≥ 3) at 3 months after stroke onset, and secondary outcomes included death and ordered 7-level categorical score of the mRS.

Results: During 3 months of follow-up, 1584 patients developed the primary outcome. Baseline serum LDH, plasma NT-proBNP, and plasma hs-cTnT were positively associated with the risk of adverse outcomes after ischemic stroke. The multivariable-adjusted odds ratios of primary outcome for the highest versus lowest quartile of LDH, NT-proBNP, and hs-cTnT were 1.37 (95% CI 1.13-1.66; Ptrend = 0.001), 2.51 (95% CI, 2.00-3.16; Ptrend < 0.001), and 2.24 (95% CI 1.77-2.83; Ptrend < 0.001), respectively. Each SD increase of log-transformed cardiac biomarker score was associated with a 49% (95% CI 37-62%; P < 0.001) increased risk of primary outcome. Multivariable-adjusted spline regression analyses showed linear relationships between cardiac biomarkers and the risk of primary outcome (all P for linearity < 0.001). Moreover, adding LDH, NT-proBNP, hs-cTnT, or cardiac biomarker score to conventional risk factors significantly improved the risk reclassification of primary outcome after ischemic stroke (all P < 0.05).

Conclusion: High LDH, NT-proBNP, hs-cTnT, and cardiac biomarker score were independently associated with increased risks of adverse clinical outcomes among ischemic stroke patients, suggesting that cardiac biomarkers might be potential prognostic biomarkers for ischemic stroke.

Keywords: High-sensitivity cardiac troponin T; Ischemic stroke; Lactate dehydrogenase; N-terminal pro-brain natriuretic peptide; Prognosis.

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