Pediatric Kidney Transplantation Outcomes in Children with Primary Urological Abnormalities Versus Nonurological Abnormalities: Long-Term Results

Mona S. Jahromi, Maria C. Velasquez, Ruben Blachman-Braun, Rafael Gosalbez, Miguel Castellan, Andrew Labbie, Gaetano Ciancio, Jayanthi Chandar, Alireza Alam

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

PURPOSE: We assessed renal function, graft survival rates and the risk of graft loss in children based on etiology with a focus on differences between urological causes from congenital anomalies of the kidney and urinary tract vs other causes of end stage kidney disease. MATERIALS AND METHODS: A retrospective chart review was performed including patients younger than 18 years who underwent kidney transplantation at our institution from December 1984 to November 2010 with the last followup recorded in March 2018. Patient clinical characteristics, demographics and end stage kidney disease etiology were recorded. Patients were divided into the 2 groups of urological (congenital anomalies of the kidney and urinary tract) vs nonurological based on end stage kidney disease etiology, and survival analysis was performed. RESULTS: Of 112 kidney transplant cases 90 (80.4%) were associated with nonurological causes and 22 (19.6%) with urological causes. Median (IQR) patient age at transplantation was 12 (7-15) years. Median graft survival time was not statistically different according to end stage kidney disease etiology (nonurological 12 years 95% CI 10.01-13.99 vs urological 16 years 95% CI 7.59-24.41, p=0.532). There was a significant risk of graft loss in patients with urinary tract infections after transplantation (HR 3.15, 95% CI 1.59-6.25, p=0.001). CONCLUSIONS: Children requiring transplantation due to urological causes have no disadvantage in graft survival compared to children with end stage kidney disease with other causes. Patients with urinary tract infection after transplantation had a higher rate of graft loss.

Original languageEnglish (US)
Pages (from-to)406-412
Number of pages7
JournalThe Journal of urology
Volume203
Issue number2
DOIs
StatePublished - Feb 1 2020

Keywords

  • causality
  • chronic
  • kidney failure
  • kidney transplantation
  • pediatrics
  • urologic diseases

ASJC Scopus subject areas

  • Urology

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