Timing of native nephrectomy and kidney transplant outcomes in children

Sarah J. Kizilbash, Dao Huynh, Varvara Kirchner, Jane Lewis, Priya S. Verghese

Research output: Contribution to journalArticlepeer-review

Abstract

Background: No consensus exists on the optimal timing for native nephrectomy in pediatric kidney transplant recipients. Data comparing outcomes between recipients undergoing pretransplant nephrectomy (staged nephrectomy with subsequent transplant) and those undergoing nephrectomy simultaneously with the transplant are lacking. Method: We studied 32 pediatric kidney transplant recipients who underwent native nephrectomy at a single center from 01/01/2011 to 12/31/2016. We divided recipients into two groups based on the nephrectomy timing (simultaneous nephrectomy/transplant and staged nephrectomy). We used Wilcoxon rank-sum test, Fisher's exact test, and Kaplan-Meier methods to compare outcomes. Results: Of 32 recipients, 20 underwent simultaneous and 12 underwent staged nephrectomy. Simultaneous recipients were younger (median (years): 2.0 vs 7.0; P =.049). Staged recipients were more likely to have proteinuria/hypoalbuminemia, whereas simultaneous recipients were more likely to have hydronephrosis/vesicoureteral reflux/urinary infections as nephrectomy indications (P =.06). Median prenephrectomy albumin for patients with nephrotic syndrome was significantly lower in staged recipients (median g/dL: 1.9 vs 3.8; P =.02). Total number of hospital days (including both procedures) was higher for staged recipients compared with simultaneous (one procedure) recipients (median (days): 17.0 vs 11.5; P =.05). We observed no difference in 5-year graft survival between the groups (95.0% vs 91.7%, P =.73). Patient survival was 100% in both groups over a median follow-up of 44.2 months. Surgical complications were similar between the groups. Conclusion: Staged and simultaneous native nephrectomy in pediatric kidney transplant recipients are associated with comparable outcomes.

Original languageEnglish (US)
JournalPediatric transplantation
Early online dateDec 16 2020
DOIs
StateE-pub ahead of print - Dec 16 2020

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© 2020 Wiley Periodicals LLC

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Copyright 2020 Elsevier B.V., All rights reserved.

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