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. 2023 Oct 18;63(1):52.
doi: 10.1186/s42358-023-00332-0.

The use of high-sensitivity cardiac troponin I in assessing cardiac involvement and Disease prognosis in idiopathic inflammatory myopathy

Hao Zhang #  1 , Huihui Chi #  1 , Liangzhe Xie #  2 , Yue Sun  1 , Honglei Liu  1 , Xiaobing Cheng  1 , Junna Ye  1 , Hui Shi  1 , Qiongyi Hu  1 , Jianfen Meng  1 , Zhuochao Zhou  1 , Jialin Teng  1 , Chengde Yang  3 , Yutong Su  4
Affiliations

The use of high-sensitivity cardiac troponin I in assessing cardiac involvement and Disease prognosis in idiopathic inflammatory myopathy

Hao Zhang et al. Adv Rheumatol. .

Abstract

Objectives: Cardiac involvement is one of the most serious complications of idiopathic inflammatory myopathy (IIM) that indicates poor prognosis. However, there is a lack of effective biomarkers for the identification of cardiac involvement and the prediction of prognosis in IIM. Here, we aimed to explore the value of different cardiac biomarkers in IIM patients.

Methods: A total of 142 IIM patients in the Department of Rheumatology and Immunology, Ruijin Hospital from July 2019 to October 2022 were included in this study. The clinical characteristics, laboratory tests, treatments and prognosis were recorded. The disease activity was assessed according to the core set measures. The correlations of the serum cardiac biomarkers levels with disease activity were analyzed by the Spearman correlation test. Risk factors for cardiac involvement were evaluated by multivariate logistic regression analysis.

Results: Higher high-sensitivity cardiac troponin I (hs-cTnI) levels were associated with cardiac involvement (n = 41) in IIM patients [adjusted OR 7.810 (95% CI: 1.962-31.097); p = 0.004], independent of other serum cardiac biomarkers. The abnormal hs-cTnI had the highest AUC for distinguishing of cardiac involvement in IIM patients (AUC = 0.848, 95% CI: 0.772,0.924; p < 0.001). Besides, we found that high serum levels of hs-cTnI were significantly correlated with disease activity. Moreover, patients with higher serum levels of hs-cTnI tended to suffer from poor prognosis.

Conclusions: Serum hs-cTnI testing may play a role in screening for cardiac involvement in IIM patients. Abnormal levels of serum hs-cTnI were associated with increased disease activity and poor prognosis.

Keywords: Biomarker; Cardiac involvement; Disease activity; High-sensitivity cardiac troponin I; Idiopathic inflammatory myopathy; Prognosis.

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