Increasing frequency of acute kidney injury amongst children hospitalized with nephrotic syndrome

Michelle N. Rheault, Chang Ching Wei, David S. Hains, Wei Wang, Bryce A. Kerlin, William E. Smoyer

Research output: Contribution to journalArticle

20 Scopus citations

Abstract

Background: Nephrotic syndrome (NS) is among the most common kidney diseases seen in children. The major complications of NS include infection, acute kidney injury (AKI), and thromboembolism (TE). The objective of this study was to analyze long-term trends in the epidemiology of major complications of pediatric NS. Methods: We used the Healthcare Cost and Utilization Project Kids' Inpatient Database for the years 2000-2009 to perform an analysis of U.S. hospitalizations of children diagnosed with NS with or without infection, AKI or TE. Results: The frequency of NS hospitalizations complicated by AKI increased by 158 % between 2000 and 2009 (p < 0.001). The frequency of NS hospitalizations with infection and TE remained stable overall. Pneumonia was the most common infectious complication while peritonitis decreased by 50 % (p < 0.001). Importantly, development of any of these major complications of NS resulted in ∼2-3-fold increases in both hospital charges and length of stay. Conclusions: It is concerning that the frequency of AKI in children hospitalized with NS has more than doubled in the past decade. Strategies to prevent or initiate earlier treatments for complications of NS could have a major impact on both morbidity and health care expenses.

Original languageEnglish (US)
Pages (from-to)139-147
Number of pages9
JournalPediatric Nephrology
Volume29
Issue number1
DOIs
StatePublished - Jan 2014

Keywords

  • Acute kidney injury
  • Costs
  • Infection
  • Length of stay
  • Thrombosis

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