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BK virus-associated renal problems--clinical implications.

Amitava Pahari1, Lesley Rees

  • 1Nephro-Urology Unit, Great Ormond Street Hospital for Children NHS Trust, Great Ormond Street, London WC1 N 3JH, UK. apahari@yahoo.com

Pediatric Nephrology (Berlin, Germany)
|June 13, 2003
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Summary
This summary is machine-generated.

BK virus (BKV) can cause serious kidney problems in immunosuppressed individuals, especially children undergoing transplants. Early diagnosis and managing immunosuppression are key to treating BKV-associated nephropathy.

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Area of Science:

  • Virology
  • Immunology
  • Nephrology

Background:

  • BK virus (BKV) is a common human polyomavirus that establishes latency in the kidneys.
  • Reactivation of BKV is a significant concern in immunocompromised individuals, particularly transplant recipients.
  • BKV infections can lead to severe renal complications, including tubulointerstitial nephritis and ureteric stenosis.

Purpose of the Study:

  • To review the current understanding of BK virus-associated renal problems.
  • To highlight the importance of BKV in pediatric transplant recipients.
  • To discuss diagnostic and therapeutic strategies for BKV disease.

Main Methods:

  • Review of existing literature on BK virus infections in transplant recipients and immunocompromised patients.
  • Analysis of histopathological findings in renal biopsies.
  • Evaluation of diagnostic methods like PCR and treatment outcomes.

Main Results:

  • BKV is associated with significant renal morbidity in kidney transplant recipients and other solid organ transplant recipients.
  • Histopathological changes in BKV nephropathy can mimic transplant rejection or drug toxicity.
  • Reduction of immunosuppression is the primary treatment, with antiviral agents like cidofovir showing potential.

Conclusions:

  • BK virus is an important pathogen causing renal disease in immunocompromised patients, especially children.
  • Accurate diagnosis through biopsy and monitoring with PCR are crucial.
  • Further prospective studies are needed to understand the full impact of BKV in pediatric populations.