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Chinese Journal of Interventional Radiology(Electronic Edition) ›› 2023, Vol. 11 ›› Issue (01): 42-47. doi: 10.3877/cma.j.issn.2095-5782.2023.01.008

• Neural Intervention • Previous Articles     Next Articles

Prognostic value of dynamic changes of high-sensitivity cardiac troponin T in acute ischemic stroke patients treated with endovascular thrombectomy in late time windows

Zhijia Xu1, Zhenyu Jia1, Linbo Zhao1, Sheng Liu1, Haibin Shi1, Yuezhou Cao1,()   

  1. 1. Department of Interventional Radiology, First Affiliated Hospital of Nanjing Medical University, Jiangsu Nanjing 210029, China
  • Received:2022-08-18 Online:2023-02-25 Published:2023-03-15
  • Contact: Yuezhou Cao

Abstract:

Objective

High-sensitivity cardiac troponin T (hs-cTnT) elevation is associated with a poor prognosis in acute ischemic stroke (AIS). Our study is to investigate the relationship between dynamic changes of hs-cTnT and poor prognosis in AIS patients with large vessel occlusion (LVO) in anterior circulation 3 months after endovascular thrombectomy in late time windows.

Methods

A total of 161 patients were enrolled. Hs-cTnT was measured at hospital admission and on the following day. Significant hs-cTnT elevation was defined as > 14 ng/L. Dynamic changes were designated as a rise or fall of more than 20% with at least one hs-cTnT value above 14 ng/L. The association between dynamic changes of hs-cTnT and poor prognosis was evaluated. Areas under the receiver-operating characteristic (ROC) curve (AUC) for dynamic changes of hs-cTnT and hs-cTnT elevation on admission in predicting poor prognosis were compared.

Results

Sixty-seven (41.6%) patients had dynamic changes. Multivariable logistic regression analysis showed that hs-cTnT elevation on admission (P = 0.014, P = 0.038) and dynamic changes in hs-cTnT (P < 0.001, P < 0.001) were independent predictors of unfavourable outcome and death, respectively. Comparison of AUC demonstrated a significantly better performance of dynamic changes of hs-cTnT than hs-cTnT elevation on admission in predicting unfavourable outcome (AUC 0.765 vs 0.689, P = 0.043) and death (AUC 0.818 vs 0.687, P = 0.008).

Conclusions

In the present study, dynamic changes of hs-cTnT are independent predictors of 3-month poor prognosis and death. Furthermore, dynamic changes of hs-cTnT more powerfully predict 3-month poor prognosis than hs-cTnT elevation on admission.

Key words: Dynamic changes, High-sensitivity cardiac troponin T, Acute ischemic stroke, Endovascular therapy, Late time windows

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