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. 2020 Jun;24(4):e13703.
doi: 10.1111/petr.13703. Epub 2020 Mar 25.

Preparing for a kidney transplant: Medical nephrectomy in children with nephrotic syndrome

Eefke Vos  1 , Linda Koster-Kamphuis  1 , Nicole C A J van de Kar  1 , Charlotte M H H T Bootsma-Robroeks  1 , Elisabeth A M Cornelissen  1 , Michiel F Schreuder  1
Affiliations

Preparing for a kidney transplant: Medical nephrectomy in children with nephrotic syndrome

Eefke Vos et al. Pediatr Transplant. 2020 Jun.

Abstract

Nephrotic syndrome is characterized by proteinuria, hypoalbuminemia, and general edema. These symptoms may persist in children who reach ESRD, which is unfavorable for the patient's allograft outcome. In addition, this may hamper early diagnosis of a relapse after transplantation. Surgical bilateral nephrectomy is often considered for that reason, but medical nephrectomy may be a less invasive alternative. In this retrospective single-center case series, we identified all children on dialysis with ESRD due to nephrotic syndrome in which a medical nephrectomy was attempted before kidney transplantation between 2013 and 2018. Outcome was measured by urine output and serum albumin levels. Eight patients with either congenital nephrotic syndrome or focal segmental glomerular sclerosis were included in the study. All patients received an ACE inhibitor as drug of first choice for medical nephrectomy, to which 5 patients responded with oligoanuria and a significant rise in serum albumin, and 3 patients responded insufficiently. In 1 of these 3 patients, diclofenac was added to the ACE inhibitor, with good result. In the other 2 patients, indomethacin was initiated without success, and surgical bilateral nephrectomy was performed. Overall, 6/8 patients had a successful medical nephrectomy and did not need surgical nephrectomy. No recurrence of nephrotic syndrome was found after kidney transplantation in all but one. Medical nephrectomy with ACE inhibitors and/or non-steroidal anti-inflammatory drugs is a safe and non-invasive therapy to minimize proteinuria in children with ESRD due to nephrotic syndrome before kidney transplantation. We suggest that this strategy should be considered as therapy before proceeding with surgical nephrectomy.

Keywords: ACE inhibitors; NSAIDs; kidney transplantation; medical nephrectomy; nephrotic syndrome.

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References

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