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Complete remission of nephrotic syndrome in an infant with focal segmental glomerulosclerosis: is it renin–angiotensin blockade?

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Abstract

Nephrotic syndrome presenting in the first year of life is often challenging, with substantial risk of progression to end-stage renal disease (ESRD). Focal segmental glomerulosclerosis (FSGS) comprises up to 20% of biopsy-proven glomerular disease in children and adults. We report on a 9-month-old infant who presented with nephrotic syndrome, hypertension and progressive deterioration of renal function due to FSGS. As immunosuppressive agents are often unsuccessful in treating this condition, we adopted renoprotection as the mainstay treatment for this patient, through rigorous control of blood pressure and proteinuria with a multi-drug regimen including renin–angiotensin axis blockade. Initially, there was partial improvement, with a gradual decline in proteinuria and a concomitant rise in the glomerular filtration rate, before the disease eventually passed into complete clinical and laboratory remission. We speculate that infants with steroid-resistant nephrotic syndrome due to FSGS may benefit from tight control of hypertension, mainly though early blockade of the renin–angiotensin axis. We believe that its renoprotecive mechanism counteracts the deleterious effects of both hypertension and proteinuria, thereby not only preventing progressive renal disease, but even paving the way for a remission, as in our patient. To the best of our knowledge, this is the first report of an infant with nephrotic syndrome (NS) due to FSGS that passed into complete remission while the patient was on renoprotective measures including the use of angiotensin-converting enzyme inhibitors (ACEis).

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Authors and Affiliations

  1. Department of Pediatrics, Cairo University, Center of Pediatric Nephrology & Transplantation, 99 El-Manial Street, Cairo, 11451, Egypt

    Neveen A. Soliman

  2. Pathology Department, Cairo University, Cairo, Egypt

    Magdi Francis

  3. Department of Pediatrics, University of Michigan, Ann Arbor, MI, USA

    Saskia F. Heeringa & Gil Chernin

Authors
  1. Neveen A. Soliman
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  2. Magdi Francis
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  3. Saskia F. Heeringa
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  4. Gil Chernin
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Correspondence to Neveen A. Soliman.

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Soliman, N.A., Francis, M., Heeringa, S.F. et al. Complete remission of nephrotic syndrome in an infant with focal segmental glomerulosclerosis: is it renin–angiotensin blockade?. Pediatr Nephrol 24, 1065–1070 (2009). https://doi.org/10.1007/s00467-008-1026-4

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  • DOI: https://doi.org/10.1007/s00467-008-1026-4

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