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Published on: August 5, 2010
Posterior urethral mini-valves causing urinary tract infection: A report of 3 cases
P Ashwin Shekar1, Anuj Dumra1, Dinesh Reddy1
1Department of Urology, Sri Sathya Sai Institute of Higher Medical Sciences, Puttaparthi, Andhra Pradesh, India.
Abstract:
Posterior urethral valves have myriad presentations based on the severity of obstruction with the milder end of spectrum often termed as mini-valves. The simultaneous occurrence of ureteropelvic junction obstruction and urethral valves has not been described before and is most likely coincidental. Herein, we discuss the management of three boys who had febrile urinary tract infection following pyeloplasty and on evaluation were found to have valves. This article highlights the need for considering these mini-valves as a possibility in boys presenting with symptoms following pyeloplasty so as to avoid delay in diagnosis and unnecessary morbidity in these children.
Insights
Posterior urethral valves, sometimes called mini-valves, can cause urinary tract infections in boys after pyeloplasty. Early diagnosis of these valves is crucial to prevent further complications and reduce patient morbidity.
Area of Science:
- Pediatric Urology
- Surgical Management
- Congenital Anomalies
Background:
- Posterior urethral valves (PUV) are a common cause of bladder outlet obstruction in male infants.
- Presentations vary widely with obstruction severity, with milder forms termed 'mini-valves'.
- Ureteropelvic junction obstruction (UJO) and PUV are typically considered independent conditions.
Observation:
- The simultaneous occurrence of UJO and PUV has not been previously reported.
- Three boys presented with febrile urinary tract infections post-pyeloplasty.
- Subsequent evaluation revealed the presence of urethral valves in these patients.
Findings:
- This case series suggests a potential, though likely coincidental, association between pyeloplasty for UJO and the subsequent diagnosis of PUV.
- Mini-valves may present insidiously, especially after other urological interventions.
- Delayed diagnosis of PUV can lead to significant morbidity.
Implications:
- Clinicians should maintain a high index of suspicion for mini-valves in boys with recurrent urinary tract infections after pyeloplasty.
- Prompt diagnosis and management of PUV are essential to prevent long-term renal damage.
- Further research may explore potential shared etiologies or diagnostic challenges in these co-occurring conditions.
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