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Urinary tract infections in post-renal transplant patients

P C Chan1, I K Cheng, K K Wong

  • 1Department of Medicine, University of Hong Kong, Queen Mary Hospital.

International Urology and Nephrology
|January 1, 1990
PubMed

Insights

Urinary tract infections (UTIs) affect 30.9% of renal transplant patients, often occurring within 3 months post-transplant. While common and sometimes asymptomatic, UTIs had minimal impact on graft function and survival up to three years.

Area of Science:

  • Nephrology
  • Transplantation Immunology
  • Infectious Diseases

Background:

  • Urinary tract infections (UTIs) are a significant concern in renal transplant recipients.
  • Understanding the incidence, timing, and impact of UTIs is crucial for patient management.

Purpose of the Study:

  • To determine the incidence and characteristics of UTIs in a renal transplant population.
  • To investigate the associations between UTIs and graft outcomes, including acute tubular necrosis and cellular rejection.
  • To assess the effect of UTIs on graft function and survival post-transplantation.

Main Methods:

  • Retrospective analysis of renal transplant recipients.
  • Monitoring and recording of UTI episodes, timing, and symptoms.
  • Correlation of UTI data with clinical outcomes, including graft function and survival rates.

Main Results:

  • Overall UTI incidence was 30.9% (0.15 episodes/patient-year).
  • 60% of UTIs occurred within the first 3 months post-transplant; 50% were asymptomatic.
  • Recurrent UTIs were frequent, associated with acute tubular necrosis and cellular rejection.
  • UTIs showed minimal impact on graft function and survival up to 3 years.

Conclusions:

  • UTIs are common in renal transplant recipients, particularly early post-transplant.
  • Asymptomatic and recurrent UTIs require attention.
  • Despite associations with rejection, UTIs had a limited effect on long-term graft outcomes in this cohort.

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