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中华消化病与影像杂志(电子版) ›› 2025, Vol. 15 ›› Issue (02) : 162 -167. doi: 10.3877/cma.j.issn.2095-2015.2025.02.012

论著

Th17/Treg 免疫失衡在儿童腹型过敏性紫癜诊断与病情评估中的应用
鲍文海1, 阮勤1, 李菲菲1,()   
  1. 1. 236600 安徽省,太和县人民医院儿科
  • 收稿日期:2024-12-03 出版日期:2025-04-01
  • 通信作者: 李菲菲

Application value of Th17/Treg immune imbalance in the diagnosis and disease evaluation of children with abdominal Henoch-Schonlein purpura

Wenhai Bao1, Qin Ruan1, Feifei Li1,()   

  1. 1. Department of Pediatrics,Taihe County People's Hospital,Taihe 236600,China
  • Received:2024-12-03 Published:2025-04-01
  • Corresponding author: Feifei Li
引用本文:

鲍文海, 阮勤, 李菲菲. Th17/Treg 免疫失衡在儿童腹型过敏性紫癜诊断与病情评估中的应用[J/OL]. 中华消化病与影像杂志(电子版), 2025, 15(02): 162-167.

Wenhai Bao, Qin Ruan, Feifei Li. Application value of Th17/Treg immune imbalance in the diagnosis and disease evaluation of children with abdominal Henoch-Schonlein purpura[J/OL]. Chinese Journal of Digestion and Medical Imageology(Electronic Edition), 2025, 15(02): 162-167.

目的

探究Th17/Treg 免疫失衡在儿童腹型过敏性紫癜(HSP)诊断与病情评估中的应用价值。

方法

回顾性分析2019 年1 月至2024 年3 月太和县人民医院收治的122 例腹型HSP 患儿,另选取95 例急性胃肠炎(AG)患儿以及109 例健康体检儿童进行比较。收集所有受试者临床基线资料和外周血样本,流式细胞术检测腹型HSP 患儿外周血Th17、Treg 水平,计算Th17/Treg比值。绘制ROC 曲线分析Th17/Treg 比值对腹型HSP 的诊断、鉴别效能。进一步根据症状积分将腹型HSP 患儿分为轻度、中度及重度组,比较不同病情程度的腹型HSP 患儿外周血Th17/Treg 比值。采用Pearson 系数分析Th17/Treg 比值与IgA 水平的相关性。建立Logistic 回归模型分析重度腹型HSP 的危险因素。

结果

腹型HSP 患儿外周血Th17 水平及Th17/Treg 比值显著高于AG 组和健康儿童组,Treg 水平低于AG 组和健康儿童组(均P<0.05)。在健康儿童和腹型HSP 患儿中,Th17/Treg诊断腹型HSP 的AUC 为0.898(敏感度93.44%,特异度81.65%);Th17/Treg 鉴别AG 和HSP 的AUC 为0.822(敏感度81.97%,特异度71.58%)。随着腹型HSP 患儿病情程度加重,外周血Th17水平及Th17/Treg 比值逐渐升高,Treg 水平逐渐下降(均P<0.05)。腹型HSP 患儿外周血Th17/Treg比值与IgA 水平显著正相关(r=0.407,P<0.05)。C 反应蛋白、D-二聚体、血清IgA 及Th17/Treg比值升高是发生重度腹型HSP 的独立危险因素(均P<0.05)。

结论

Th17/Treg 免疫失衡在儿童腹型HSP 诊断与病情评估中有较为显著的价值。

Objective

To explore the application value of Th17/Treg immune imbalance in the diagnosis and disease evaluation of children with abdominal Henoch-Schonlein purpura (HSP).

Methods

A total of 122 children with abdominal HSP admitted to Taihe County People's Hospital from January 2019 to March 2024 were retrospectively analyzed,and 95 children with acute gastroenteritis (AG) and 109 healthy children were selected for comparison. Baseline clinical data and peripheral blood samples were collected from all subjects. Flow cytometry was used to detect the levels of Th17 and Treg in peripheral blood of children with abdominal HSP,and the Th17/Treg ratio was calculated. The ROC curve was drawn to analyze the diagnostic and differential efficacy of Th17/Treg ratio for abdominal HSP. According to the symptom score,the children with abdominal HSP were further divided into mild,moderate and severe groups,and the Th17/Treg ratio in peripheral blood of children with abdominal HSP with different disease severity was compared. Pearson coefficient was used to analyze the correlation between Th17/Treg ratio and IgA level. Logistic regression model was used to analyze the risk factors of severe abdominal HSP.

Results

Compared with AG group and healthy children group,the children with abdominal HSP group had significantly higher Th17 level and Th17/Treg ratio,and a significantly lower Treg level (all P<0.05).In healthy children and children with abdominal HSP,the AUC of Th17/Treg in the diagnosis of abdominal HSP was 0.898 (sensitivity 93.44%,specificity 81.65%). The AUC of Th17/Treg in differentiating AG from HSP was 0.822 (sensitivity was 81.97%,specificity was 71.58%). With the aggravation of the severity of abdominal HSP,the level of Th17 and Th17/Treg ratio in peripheral blood gradually increased,while the level of Treg gradually decreased (all P<0.05). The Th17/Treg ratio in peripheral blood of children with abdominal HSP was positively correlated with IgA level (r=0.407,P<0.05). Increased CRP,D-dimer,serum IgA and Th17/Treg ratio were independent risk factors for severe abdominal HSP (all P<0.05).

Conclusion

Th17/Treg immune imbalance has a significant value in the diagnosis and disease evaluation of abdominal HSP in children.

表1 三组一般资料比较
表2 三组患儿外周血Th17、Treg 水平及Th17/Treg 比值比较(± s
图1 外周血Th17/Treg 比值诊断腹型HSP 的ROC 曲线分析
表3 不同病情程度的腹型HSP 患儿外周血Th17、Treg 水平及Th17/Treg 比值比较(± s
图2 腹型HSP 患儿外周血Th17/Treg 比值与IgA 水平的相关性分析
表4 重度腹型HSP 发生的影响因素logistic 回归分析结果
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