Candiduria in renal transplant recipients: incidence, clinical repercussion, and treatment indication

J Delgado1, N Calvo, A Gomis

  • 1Nephrology Department, Hospital Clínico San Carlos, Madrid, Spain. jdelgadodominguez@gmail.com

Abstract

Insights

Treating candiduria in renal transplant recipients is not necessary. Antifungal therapy did not reduce recurrence or lead to resistant Candida species, with no significant clinical repercussions observed.

Area of Science:

  • Nephrology
  • Infectious Diseases
  • Clinical Pharmacy

Background:

  • The incidence and management of candiduria in renal transplant recipients are not well-defined.
  • Current antifungal treatment guidelines lack clarity, posing challenges in drug selection due to potential resistance, drug interactions with immunosuppressants, and administration route limitations.

Purpose of the Study:

  • To investigate the incidence of candiduria in renal transplant recipients.
  • To evaluate the clinical impact and effectiveness of antifungal treatment in preventing candiduria recurrence.

Main Methods:

  • A 2-year study of 996 renal transplant recipients.
  • Analysis of Candida-positive urine cultures (>50,000 cfu/mL), species, treatment, and clinical factors including fever, hospitalization, bacterial UTI, antibiotic use, and urinary catheter presence.

Main Results:

  • Accumulated incidence of candiduria was 3.4% (83 episodes in 34 patients).
  • Higher incidence observed in women (6.3% vs 1.7%).
  • Antifungal treatment did not significantly reduce recurrence rates (45.5% treated vs 17.4% untreated) and did not select for resistant Candida species. No significant clinical repercussions were noted.

Conclusions:

  • Routine antifungal treatment for candiduria in renal transplant recipients appears unnecessary.
  • Antifungal therapy showed no benefit in reducing recurrence or preventing resistant species development.
  • No significant clinical repercussions were associated with candiduria in this patient cohort.

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