Comparison of Kt/V and urea reduction ratio in measuring dialysis adequacy in paediatric haemodialysis in england

Nina Dunne, Malcolm Campbell, Maggie Fitzpatrick, Peter Callery

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Background: The National Kidney Foundation-Dialysis Outcomes Quality Initiative (KDOQI) guidelines and the Renal Association recommend the use of either Kt/V or urea reduction ratio (URR) to measure haemodialysis adequacy. Objectives: To determine the methods used to measure paediatric haemodialysis adequacy and to assess consistency between calculations of single pool Kt/V (spKt/V) and URR. Design: A service evaluation was conducted to establish current practices in measuring dialysis adequacy. A prospective longitudinal study was conducted to compare spKt/V and URR. Participants: Thirty-two children were recruited consisting of 13 males and 19 females in five paediatric dialysis centres. Results: Inconsistencies were reported of the method of post-urea sampling with 4 of the 10 centres using the KDOQI recommended sampling method. Five dialysis centres reported using URR and five reported using spKt/V. There were substantial differences between the two measures. Using URR suggested that up to 44% of children did not receive adequate dialysis, whereas measurement by spKt/V suggested no more than 6% of the same dialysis sessions were not adequate. Conclusion: One standard measure should be used to assess dialysis adequacy in paediatric centres in England. KDOQI guidelines were not consistently followed in obtaining a post-urea blood sample and this procedure should be standardised. © 2014 European Dialysis and Transplant Nurses Association/European Renal Care Association.
    Original languageEnglish
    Pages (from-to)117-124
    Number of pages7
    JournalJournal of Renal Care
    Volume40
    Issue number2
    DOIs
    Publication statusPublished - 2014

    Keywords

    • Adequacy
    • Dialysis
    • Kt/V
    • Paediatric
    • URR

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