Abstract

Introduction: Idiopathic nephrotic syndrome (INS) is the most common glomerular disease in children. Immune cell subsets may play a role in pathogenesis of INS. We aimed to assess immunoglobulin G (IgG) and immunoglobulin M (IgM) levels in children with nephrotic syndrome (NS) to predict prognosis of the disease and response to treatment.

Methods: This prospective case control study was done in Pediatric Nephrology Units at Minoufia and Benha University Hospitals, during the period from   1st March 2014 to 30th June 2015. Seventy-five children in the active stage of INS and 75 apparently healthy children of matched age and sex were included in this study. Statistical evaluation was performed by SPSS version 18.0 using independent-samples t-test, Chi-square, and Pearson's correlation coefficient (r). 

Results: Compared with healthy children, IgM level was high, IgG level and IgG/IgM ratio were low (p≤0.05). The IgG level and IgG/IgM ratio decreased more in FRNS than in IFRNS group, and was the lowest in SRNS group. The IgM level increased more in FRNS than in IFRNS group, and was the highest in SRNS group (p<0.05, respectively). 

Conclusions: Our findings support the idea that IgG level has a prognostic value in NS in children

 

Keywords: Nephrotic syndrome, Immunoglobulins, Children
 
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