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Association Between Nonadherence and Transient Hyperuricemia in Pediatric Kidney Transplantation

Y Morizawa1, H Satoh2, M Arai2

  • 1Department of Urology, Tokyo Metropolitan Children's Medical Center, Tokyo, Japan; Department of Urology, Nara Medical University, Kashihara, Nara, Japan.

Transplantation Proceedings
|December 29, 2022
PubMed

Insights

Nonadherence in pediatric kidney transplant (KTx) patients is hard to detect. Transient hyperuricemia is a key risk factor, suggesting monitoring it can help identify nonadherence early.

Area of Science:

  • Pediatric Nephrology
  • Transplant Medicine
  • Clinical Research

Background:

  • Nonadherence is a major challenge in pediatric kidney transplantation, negatively impacting graft survival and outcomes.
  • Detecting nonadherence during routine follow-ups is difficult.
  • This study explored risk factors for nonadherence in pediatric kidney transplant recipients.

Purpose of the Study:

  • To investigate risk factors for nonadherence in pediatric kidney transplant (KTx) recipients.
  • To specifically examine the role of unexplained transient hyperuricemia as a risk factor.
  • To identify potential early indicators of nonadherence.

Main Methods:

  • Retrospective study of 167 pediatric patients who underwent kidney transplantation.
  • Cox proportional hazards analysis was used to assess risk factors.
  • Evaluated factors included age, sex, BMI SD score, transient hyperuricemia, hypertension, and follow-up duration.

Main Results:

  • Nonadherence was observed in 11% of patients (19 out of 167).
  • Transient hyperuricemia was diagnosed in 20% of patients (34 out of 167), a median of 14 months post-KTx.
  • Multivariate analysis identified transient hyperuricemia as the sole independent risk factor for nonadherence.

Conclusions:

  • Transient hyperuricemia is a significant risk factor for nonadherence in pediatric kidney transplant recipients.
  • Monitoring for transient hyperuricemia may enable earlier detection of nonadherence.
  • This finding can inform strategies for improving long-term graft survival.
Abstract

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