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Electronic Journal of Emerging Infectious Diseases ›› 2024, Vol. 9 ›› Issue (4): 39-43.doi: 10.19871/j.cnki.xfcrbzz.2024.04.008

• Original Articles • Previous Articles     Next Articles

Predictive value of serum sFlt-1 and sCD163 levels for the prognosis of patients with severe mycoplasma pneumonia

Lu Xingzhong1, Cao Dandan1, Li Minghua2, Chen Liying2   

  1. 1. Department of Pediatric, Hospital Of Traditional Chinese Medicine Of Qiqihar, Heilongjiang Qiqihar 161000, China;
    2. Department of Pediatric, The First Hospital of Qiqihar, Heilongjiang Qiqihar 161000, China
  • Received:2024-01-28 Online:2024-08-31 Published:2024-10-10

Abstract: Objective To investigate the expression levels of serum soluble vascular endothelial growth factor receptor 1 (sFlt-1) and soluble hemoglobin scavenger receptor (sCD163) levels in patients with severe mycoplasma pneumonia (MPP), and to analyze their value in predicting the prognosis of MPP. Method A total of 249 MPP patients (MPP group) who visited our hospital from October 2021 to October 2023 were collected as the study subjects, according to the severity of MPP patients' condition, they were separated into a mild illness group of 145 cases and a severe illness group of 104 cases, according to the prognosis, severe patients were grouped into a poor prognosis group of 30 cases and a good prognosis group of 74 cases. Clinical data related to the study subjects were collected, enzyme linked immunosorbent assay (ELISA) was applied to detect serum levels of sFlt-1 and sCD163. Multivariate Logistic regression was applied to analyze the factors affecting the prognosis of severe MPP patients. Receiver operating characteristic (ROC) curve was applied to analyze the predictive value of serum sFlt-1 and sCD163 for poor prognosis in severe MPP patients. Result The serum levels of sFlt-1 and sCD163 in the MPP group were obviously higher than those in the control group (P<0.05). The serum levels of sFlt-1 and sCD163 in the severe group were obviously higher than those in the mild group (P<0.05). The serum levels of sFlt-1, sCD163, and CRP in the poor prognosis group were obviously higher than those in the good prognosis group (P<0.05). The results of multivariate Logistic regression analysis showed that sFlt-1 and sCD163 were risk factors for poor prognosis in severe MPP patients (P<0.05). ROC curve results showed that the AUC of serum sFlt-1 and sCD163 levels alone and in combination in predicting poor prognosis in severe MPP patients was 0.846, 0.854, and 0.923, respectively, and the combination of the two was better than the single prediction (Z=2.656, 2.519, P<0.05). Conclusion Elevated serum sFlt-1 and sCD163 are closely related to poor prognosis in patients with severe MPP, and have certain predictive value for poor prognosis.

Key words: Soluble vascular endothelial growth factor receptor 1, Soluble hemoglobin scavenger receptor, Severe mycoplasma pneumonia, Prognosis

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