Analysis of children with Henoch–Schonlein purpura secondary to infection
- 07.01.2022
- Original Article
Erschienen in:
- Verfasst von
- Can Liu
- Lingli Luo
- Min Fu
- Zhengqiu Li
- Jianlong Liu
- Erschienen in
- Clinical Rheumatology | Ausgabe 3/2022
Abstract
Objectives
Henoch–Schonlein purpura (HSP) is the most common childhood vasculitis, infection is the most essential inducement. We hypothesized that infection could impact the blood routine characteristics and/or outcome of vasculitis. Thus, we aim to find the most common infectious agent in HSP patients and identify convenient indicators to predict renal involvement in HSP patients with infection.
Method
We conducted a retrospective study of 208 HSP children and 98 healthy children. Clinical parameters were compared in those cases.
Results
A total of 68.75% of patients were infected with various pathogens. The mean platelet volume (MPV) (P < 0.02) was lower in HSP patients with infection than patients without infection. Mycoplasma pneumoniae (MP) infection accounted for the largest proportion (45.77%). MPV in HSP nephritis (HSPN) group was lower than in HSP patients (excluded renal involvement) in patients with MP infection. Logistic regression analysis found that age and MPV were risk factors for the occurrence of MP-infected HSPN. The receiver operating characteristic curve (ROC) analysis showed that the combination of MPV with the onset age at the optimal cut-off point had 81% sensitivity in predicting whether HSP patients with MP infection would develop into HSPN.
Conclusions
Our research revealed that MP was the most commonly infected pathogen of children’s HSP. MPV was an essential predictor of nephritis in HSP patients with MP infection. This discovery can prompt clinical treatments as well as reduce costs.
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Key Points
• Mycoplasma pneumoniae (MP) accounts for the largest proportion in HSP children with infection.
• MPV can be used as a predictor for the development of MP-triggered HSP to HSPN.
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- Titel
- Analysis of children with Henoch–Schonlein purpura secondary to infection
- Verfasst von
-
Can Liu
Lingli Luo
Min Fu
Zhengqiu Li
Jianlong Liu
- Publikationsdatum
- 07.01.2022
- Verlag
- Springer International Publishing
- Erschienen in
-
Clinical Rheumatology / Ausgabe 3/2022
Print ISSN: 0770-3198
Elektronische ISSN: 1434-9949 - DOI
- https://doi.org/10.1007/s10067-021-06007-9
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