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Chinese Journal of Experimental and Clinical Infectious Diseases(Electronic Edition) ›› 2023, Vol. 17 ›› Issue (03): 151-157. doi: 10.3877/cma.j.issn.1674-1358.2023.03.002

• Research Article • Previous Articles     Next Articles

Association between insulin like growth factor-1 and severe hand, foot and mouth disease

Kaiyue Yan, Huiling Deng(), Yufeng Zhang, He Song, Yuan Chen, Miao Xi   

  1. Department of Infection 2, Xi’an Children’s Hospital, Xi’an 710003, China
    Xi’an Central Hospital, Xi’an 710003, China
    Division 1 of Department of Neurology, Xi’an Children’s Hospital, Xi’an 710003, China
    Department of Infection 2, Xi’an Children’s Hospital, Xi’an 710003, China; Xi’an Medical College, Xi’an 710021, China
  • Received:2023-01-06 Online:2023-06-15 Published:2023-08-22
  • Contact: Huiling Deng

Abstract:

Objective

To investigate the association between insulin like growth factor-1 (IGF-1) and severe disease in children with hand, foot and mouth disease (HFMD).

Methods

Total of 147 children with HFMD hospitalized in Xi’an Children’s Hospital from June 2020 to July 2022 were selected as HFMD case group, who were divided into mild disease group (99 cases) and severe disease group (48 cases) according to the Guidelines for Diagnosis and Treatment of HFMD (2018 edition); while 45 healthy children matching gender and age at the same period were selected as control group. Serum samples of children in each group were collected, and the levels of IGF-1 and other laboratory indicators were detected by enzyme-linked immunosorbent assay (ELISA) method. Clinical data of children in all group were collected. T-test or non-parametric test were used for measurement data, and χ2 test was used for counting data. Multiple Logistic regression analysis was performed for indicators that might affect the severity of HFMD, and the receiver operating curve (ROC) was plotted.

Results

Serum IGF-1 level of cases in case group [100.83 (79.12, 127.56) ng/ml] in acute stage was significantly lower than that of control group [133.00 (117.16, 157.85) ng/ml] (Z =-5.867, P < 0.001). Serum IGF-1 level of cases in severe disease group [88.83 (70.97, 100.77) ng/ml] was significantly lower in acute stage than that of mild disease group [113.09 (85.80, 135.36) ng/ml] (Z =-4.484, P < 0.001), with significant differences. After treatment, the level of serum IGF-1 in the mild disease group during convalescence [140.25 (123.45, 154.34) ng/ml] was significantly higher than that in the acute stage [113.09 (85.80, 135.36) ng/ml] (Z =-5.473, P < 0.001). Serum IGF-1 level [(120.93 ± 26.96) ng/ml] of cases in severe disease group in the recovery stage was also significantly higher than that of the acute stage [(87.24 ± 21.17) ng/ml] (t =-6.809, P = 0.025), with significant differences. The level of serum IGF-1 of cases in the severe disease group [123.25 (98.51, 136.65) ng/ml] was still significantly lower than that of the control group, with significant difference (Z = -2.552, P = 0.011). White blood cell (WBC) > 15 × 109/L (χ2 = 19.959, P < 0.001), fasting blood-glucose (GLU) > 8.3 mmol/L (χ2 = 22.162, P < 0.001), heat range (Z =-7.872, P < 0.001) and neurological symptoms (χ2 = 21.475, P < 0.001) were significantly different in severe disease group and mild disease group. ROC analysis showed that the optimal critical value of IGF-1 was 105.83 ng/ml, the sensitivity and specificity were 55.6% and 87.5%, respectively, and the area under the curve was 0.728. Multivariate Logistic regression analysis showed that IGF-1 < 105.83 ng/ml (OR = 9.182, 95%CI: 2.377-35.465, P = 0.001), WBC > 15 × 109/L (OR = 4.836, 95%CI: 1.473-15.871, P = 0.009), fasting blood-glucose > 8.3 mmol/L (OR = 22.109, 95%CI: 2.736-178.664, P = 0.004), thermal range (OR = 2.413, 95%CI: 1.706-3.413, P < 0.001) were all risk factors for severe HFMD.

Conclusions

The level of serum IGF-1 is related to the severity of HFMD, and the decrease of serum IGF-1 level is a risk factor for the progression of HFMD disease, and IGF-1 < 105.83 ng/ml has early warning value for severe HFMD.

Key words: Hand, foot and mouth disease, Insulin-like growth factor-1, Severe

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