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Nephrotic syndrome in children: risk factors for steroid dependence

Manel Jellouli, Meriem Brika, Kamel Abidi

    La Tunisie Medicale
    |January 5, 2017
    PubMed

    Insights

    Predicting steroid dependence in childhood nephrotic syndrome is crucial. Key risk factors include prolonged time to remission and high cholesterol levels at initial presentation, guiding tailored treatment strategies.

    Area of Science:

    • Pediatric Nephrology
    • Clinical Medicine
    • Disease Pathogenesis

    Background:

    • Idiopathic nephrotic syndrome (INS) affects children, with most initially responding to steroids.
    • Approximately 50% of patients experience relapse, leading to steroid dependence and potential long-term complications.
    • Identifying early risk factors for steroid dependence is essential for optimizing therapeutic strategies.

    Purpose of the Study:

    • To identify clinical and biological predictors of steroid dependence in children with idiopathic nephrotic syndrome at disease onset.
    • To inform adaptive therapeutic strategies for managing steroid-dependent nephrotic syndrome.

    Main Methods:

    • Retrospective hospital-based cohort study conducted between 2002 and 2012.
    • Inclusion of 52 children diagnosed with idiopathic steroid-responsive nephrotic syndrome.
    • Analysis of clinical and biological variables at the onset of the disease.

    Main Results:

    • Univariate analysis identified season of onset (winter/autumn), hyperalpha2globulinemia, hyperbeta2globulinemia, hypercholesterolemia (>10mmol/l), proteinuria (>110mg/kg/day), and prolonged time to remission (>9 days) as risk factors.
    • Logistic regression pinpointed time to first remission and hypercholesterolemia (>10mmol/l) as independent predictors of steroid dependency.
    • Respiratory tract infection at first relapse was also identified as an independent risk factor.

    Conclusions:

    • Time to achieve initial remission and elevated cholesterol levels at presentation are significant independent risk factors for steroid dependence in pediatric nephrotic syndrome.
    • These findings aid in stratifying patients and adapting treatment plans to mitigate steroid-related complications.

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