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Journal of the Korean Society of Pediatric Nephrology 2000;4(1): 40-47.
Henoch-$Schddot{o}nlein$ 자반증 환아에서 신침범에 대한 위험인자 분석 및 tumor necrosis factor-$alpha$의 의의
송영준, 하태선
1충북대학교 의과대학 소아과학교실
2충북대학교 의과대학 소아과학교실
The Analysis of Risk Factors and Significance of Tumor Necrosis Factor(TNE)-$alpha$ in Henoch-$Schddot{o}nlein$ Nephritis
Young-Jun Song, Tae-Sun Ha
1Department of Pediatrics, Chungbuk National University, College of Medicine
2Department of Pediatrics, Chungbuk National University, College of Medicine
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Purpose: Renal involvement is the most important prognostic factor of HSP. Therefore, the pathogenesis and prognostic factors in renal involvement have been studied by many researchers. The aim of this study was to evaluate the clinical risk factors and the role of TNF-$alpha$ in renal involvement of HS purpura.
Methods: The subjects of this study were 12 patients of HS purpura, 7 patients of HS nephritis, and 5 age-matched controls. We have analysed the rist factors for renal involvement in clinical symptoms and collected the sera and urines of all subjects in acute and convalescent stage. The concentration of TNF-$alpha$ in the collected sera and urines were measured by sandwich ELISA and compared with that of age-matched controls.
Results : Statistical analysis showed that persistent purpura increased the risk of developing renal involvement (P=0.0018). and serum TNF-$alpha$ levels in the acute stage of patients with renal involvement($11.45{pm}7.01$ pg/ml) were significantly higher than those of without renal involvement($6.32{pm}1.31$pg/m1) and of age-matched controls($5.99{pm}1.34$pg/m1)(P=0.012, 0.027, respectively). However, urine TNF-$alpha$ levels have no correlation with renal involvement. On investigation of serum TNF-$alpha$ levels in acute stage of HS purpura, persistent purpura had a significantly higher increase(P=0.038).
Conclusion : Serum concentration of TNF-$alpha$ is a risk factor and has a predictable value along with clinical risk factors, such as, persistent purpura for renal involvement in HS purpura. Also, the effectiveness of the specific treatment fur antagonizing TNF-$alpha$ in HS nephritis may need further study.
Key words: Nephritis | Risk factors
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