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Vesicoureteral reflux and continuous prophylactic antibiotics
1Department of Urology, University of Michigan, Ann Arbor, MI, USA.
Insights
Continuous antibiotic prophylaxis (CAP) for pediatric vesicoureteral reflux (VUR) shows limited benefit in preventing recurrent urinary tract infections, challenging long-held treatment guidelines.
Area of Science:
- Pediatric Urology
- Infectious Diseases
- Nephrology
Background:
- Vesicoureteral reflux (VUR) management requires individualized approaches considering infection risk, renal scarring, and patient factors.
- Non-surgical management, including continuous antibiotic prophylaxis (CAP), is common for VUR in children, but its efficacy is debated.
- Previous studies on CAP efficacy have limitations, including design flaws and small sample sizes.
Purpose of the Study:
- To review the controversy surrounding VUR management strategies.
- To highlight the findings of the Randomized Intervention for Children with Vesicoureteral Reflux (RIVUR) trial.
- To discuss the impact of RIVUR trial results on understanding CAP in VUR management.
Main Methods:
- Review of existing literature and the RIVUR trial.
- Analysis of factors influencing VUR management decisions.
- Discussion of the implications of recent trial data.
Main Results:
- The RIVUR trial provided significant data on the efficacy of CAP in preventing recurrent urinary tract infections (UTIs) in children with VUR.
- Findings suggest that the benefits of CAP may be less pronounced than previously assumed, especially in certain patient subgroups.
- The study addressed limitations of prior research, offering clearer insights into CAP's role.
Conclusions:
- The RIVUR trial challenges the routine use of CAP for all children with VUR.
- Management strategies for VUR should be refined based on updated evidence, emphasizing risk stratification and individualized care.
- Further research may be needed to optimize VUR treatment protocols.
Abstract:
Vesicoureteral reflux (VUR) management must be tailored based on the risk for further infections and renal scarring, gender, likelihood of spontaneous resolution, and parental preferences. Because we now understand that sterile VUR is benign and most reflux spontaneously resolves over time, the initial approach in majority of children is non-surgical with continuous antibiotic prophylaxis (CAP) and correction of bladder and bowel dysfunction. Despite increasing utilization of CAP over the past four decades, the efficacy of antibiotic prophylaxis has been questioned due to conflicting results of studies plagued with design flaws and inadequate subject sample size. The Randomized Intervention for Children with Vesicoureteral Reflux (RIVUR) trial, which was designed to address many of the limitations from previous studies, provided much needed answers. In this review, we sought to describe the controversy surrounding VUR management, highlight the results of RIVUR trial, and discuss how the RIVUR findings impact our understanding of CAP in the management of VUR.
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