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Published on: May 6, 2018
Management and outcome of steroid-resistant nephrotic syndrome in children
Hassan Otukesh1, Salman Otukesh, Mona Mojtahedzadeh
1Department of Nephrology, Ali Asghar Children Hospital, Iran University of Medical Sciences, Tehran, Iran. hasanotukesh@yahoo.com
Insights
Children with late steroid-resistant nephrotic syndrome (SRNS) respond better to immunosuppressive drugs. Achieving remission reduces the risk of end-stage renal disease (ESRD).
Area of Science:
- Pediatric Nephrology
- Immunosuppressive Therapy
- Kidney Disease Outcomes
Background:
- Steroid-resistant nephrotic syndrome (SRNS) is uncommon in children but frequently progresses to end-stage renal disease (ESRD).
- Understanding treatment responses and outcomes in pediatric SRNS is crucial for improving patient prognosis.
Purpose of the Study:
- To evaluate the treatment responses and long-term outcomes of pediatric patients with SRNS.
- To identify factors predicting kidney survival in children with SRNS.
Main Methods:
- Retrospective review of 73 children with SRNS treated at Ali Asghar Children Hospital.
- Analysis of clinical presentations, treatment regimens, disease courses, and kidney survival.
- Utilized Cox regression to identify predictors of kidney survival.
Main Results:
- Late steroid resistance predicted a better response to immunosuppressive drugs compared to early resistance (P = .03).
- Initial therapy with cyclosporine was more effective than cyclophosphamide.
- Kidney survival rates at 15 years were 34% for early resistance and 83% for late resistance.
- Achieving remission with any therapy significantly reduced the risk of ESRD.
Conclusions:
- Late steroid resistance in pediatric SRNS is associated with a more favorable response to immunosuppressive therapies.
- Resistance to one immunosuppressive drug increases the likelihood of resistance to others.
- Early and complete remission is key to preventing progression to ESRD in children with SRNS.
Introduction:
Steroid-resistant nephrotic syndrome (SRNS) is uncommon in children, but often leads to ESRD. We report our experience with SRNS and its treatments and outcomes.
Materials And Methods:
We assessed 73 children with SRNS admitted to Ali Asghar Children Hospital in Tehran, Iran. Their clinical presentations, treatment, and disease courses were reviewed. The mean follow-up duration was 6.0 +/- 4.2 years. Moreover, survival times were calculated and the Cox regression method was used to determine variables able to predict survival of the kidneys.
Results:
Age at the onset of the disease, sex, and hematuria were not predictive of the response to treatment with immunosuppressive drugs in the children with SRNS. The type of resistance (early or late) was associated with the responsiveness to immunosuppressives. Response to any of the immunosuppressive drugs determined the responsiveness to other immunosuppressive drugs. Cyclosporine was more effective than cyclophosphamide as initial therapy. The mean kidney survival time was 11.62 years. Kidney survival rates were 94.6%, 70.0%, 56.0%, and 34.0% at 1, 5, 10, and 15 years, respectively, in patients with initial resistance to steroid, while these were 100%, 100%, 83.0%, and 83.0% in those with late resistance, respectively (P = .03).
Conclusions:
We showed that patients with late steroid resistance had better response to immunosuppressive drugs than patients with early resistance. We also showed that resistance to immunosuppressive therapies increased the risk of resistance to other immunosuppressive drugs. Achievement of complete or partial remission with any therapy reduced the risk of ESRD.
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