Primary vesicoureteral reflux; what have we learnt from the recently published randomized, controlled trials?

Area of Science:

• Pediatric Nephrology
• Urology
• Infectious Diseases

Background:

• Vesicoureteral reflux (VUR) has been traditionally linked to urinary tract infections (UTI) and potential renal damage.
• Conventional diagnostic and therapeutic approaches for VUR have been based on expert opinion and older studies.

Purpose of the Study:

• To critically evaluate the established understanding of the relationship between VUR and UTI.
• To reassess the clinical significance and pathogenic role of VUR in pediatric UTI.
• To question the routine use of antibiotic prophylaxis in children with VUR.

Main Methods:

• Review and analysis of recent prospective, randomized, controlled studies.
• Examination of evidence challenging traditional VUR management guidelines.
• Critical appraisal of the role of VUR in the development of chronic kidney disease.

Main Results:

• New evidence disputes the necessity of routine antibiotic prophylaxis for preventing UTI and renal damage in VUR patients.
• Prospective studies indicate a diminished pathogenic role for VUR in uncomplicated pediatric UTI.
• The traditional diagnostic and therapeutic recommendations for VUR are being challenged.

Conclusions:

• The era of overinvestigation and routine long-term antibiotic prophylaxis for most children with uncomplicated UTI and VUR appears to be ending.
• Further research is needed to clarify the role of severe VUR in chronic renal disease and renal failure.
• Future therapeutic choices for VUR should be guided by robust scientific facts rather than expert consensus.