Related Experiment Video

Updated: Aug 14, 2026

Measurement of BK-polyomavirus Non-Coding Control Region Driven Transcriptional Activity Via Flow Cytometry
11:54

Measurement of BK-polyomavirus Non-Coding Control Region Driven Transcriptional Activity Via Flow Cytometry

Published on: July 13, 2019

[BK virus infection in a pediatric renal transplant recipient]

R Bonaventura1, A Vázquez, A Exeni

  • 1Servicio de Neurovirosis, Dpto Virología, INEI, ANLIS, Dr. C. Malbrin, Av. Velez Sarsfield 563 (1281) Capital Federal. rbonaventura@anlis.gov.ar

Revista Argentina De Microbiologia
|December 6, 2005
PubMed

Insights

BK virus infection can cause kidney graft damage in pediatric transplant recipients. Differentiating BK virus infection from acute rejection is crucial for appropriate immunosuppressant management.

Area of Science:

  • Nephrology
  • Virology
  • Immunology

Background:

  • BK Human Polyomavirus establishes latency in the urinary tract after asymptomatic childhood infection.
  • Reactivation of BK virus can cause renal pathology in immunocompromised individuals, especially pediatric transplant recipients.

Observation:

  • A 5-year-old pediatric renal transplant recipient experienced graft dysfunction and renal failure episodes post-transplantation.
  • Diagnostic investigations included analysis of blood, urine, renal biopsy, and lymphocele fluid.
  • Differential diagnosis involved testing for BK virus, CMV, ADV, and cytological examination of renal tissue.

Findings:

  • Clinical signs and laboratory results indicated BK virus infection as the cause of graft damage.
  • The patient presented with recurrent renal function failure following kidney transplantation.

Implications:

  • Accurate differentiation between BK virus infection and acute rejection is critical in pediatric transplant management.
  • Treatment strategies, particularly immunosuppressant therapy, differ significantly based on the diagnosis.
  • This case highlights the importance of vigilant monitoring for viral infections in immunosuppressed pediatric patients.

Related Concept Videos

Kidney Transplant I: Introduction01:28

Kidney Transplant I: Introduction

A kidney transplant is a surgical approach that involves replacing a non-functioning kidney with a healthy one from a donor. This procedure is often a treatment option for end-stage renal disease (ESRD) patients. The method requires careful recipient selection, including evaluating various medical and psychosocial factors. These criteria vary between transplant centers but generally include assessments of the patient's overall health, adherence to medical recommendations, and lifestyle...
Kidney Transplant II: Surgical Procedure01:26

Kidney Transplant II: Surgical Procedure

Preoperative ManagementThe primary goals of preoperative management in kidney transplantation are to optimize the patient’s metabolic state and prepare them for surgery through diet adjustments, necessary dialysis, and tailored medical treatment. This phase also involves comprehensive infection screening and patient education about the surgical procedure and postoperative care to improve outcomes and adherence.Medical ManagementA comprehensive evaluation is required for both the living donor...
Kidney Transplant III: Nursing Management01:16

Kidney Transplant III: Nursing Management

Postoperative Nursing Management for Kidney Transplant PatientsPostoperative nursing management care includes monitoring the surgical site, encouraging early movement, and promoting lung health through breathing exercises. Nurses also administer prescribed medications like H2-blockers, such as famotidine, or proton pump inhibitors, like omeprazole, to help prevent gastrointestinal ulcers and bleeding. Fungal infections in the mouth and bladder can result from immunosuppressive and antibiotic...
Pharmacokinetics in Pediatric Patients: Drug Excretion01:26

Pharmacokinetics in Pediatric Patients: Drug Excretion

In pediatric medicine, understanding the renal function and drug elimination nuances is crucial for administering safe and effective treatments. Newborns, in particular, display markedly slower renal functions than adults, profoundly affecting how drugs are cleared from their bodies. This slower drug clearance requires clinicians to extend the dosing intervals for many medications to prevent drug accumulation and toxicity while ensuring therapeutic efficacy.One key area where these adjustments...
Acute Kidney Injury IV: Diagnostic Studies and Prevention01:30

Acute Kidney Injury IV: Diagnostic Studies and Prevention

Accurate diagnosis and effective prevention are critical in managing Acute Kidney Injury (AKI), which is linked to high mortality rates ranging from 10% to 80%. Timely recognition of at-risk patients and careful monitoring can significantly reduce the likelihood of kidney damage.Diagnostic Assessments:The diagnostic process starts with a comprehensive medical history to identify prerenal, intrarenal, and postrenal causes.Prerenal causes, such as dehydration, hypotension, or blood loss, should...
Acute Pyelonephritis I: Introduction01:27

Acute Pyelonephritis I: Introduction

Pyelonephritis is a bacterial infection that primarily affects the renal parenchyma and collecting system, including the renal pelvis, tubules, and interstitial tissue of one or both kidneys. It can be classified as either acute—a sudden, severe infection—or chronic, which refers to long-term or recurrent kidney infections.The primary cause of acute pyelonephritis (APN) is bacterial infection, with Escherichia coli accounting for approximately 70-80% of cases. Other bacteria, such as Proteus,...