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Neonatal urinary ascites caused by urinary tract obstruction: two case reports
1Department of Urology, Tohoku University School of Medicine, Sendai, Japan.
Summary
Neonatal urinary ascites, a rare condition, can stem from posterior urethral valves or obstructed megaureters. Prompt urinary drainage and surgical correction effectively resolved symptoms in two reported cases.
Area of Science:
- Pediatric Urology
- Neonatal Medicine
- Surgical Case Reports
Background:
- Neonatal urinary ascites is a rare condition characterized by fluid accumulation in the abdominal cavity due to urinary tract abnormalities.
- Identifying the underlying cause is crucial for timely and effective management.
Observation:
- Two neonates presented with urinary ascites, abdominal distension, electrolyte imbalance, and elevated BUN/serum creatinine ratio.
- Case 1: Posterior urethral valves with right vesicoureteral reflux.
- Case 2: Bilateral obstructed megaureter, a very rare etiology.
Findings:
- Urinary drainage via bladder catheterization (Case 1) and percutaneous nephrostomy (Case 2) normalized laboratory values.
- Surgical interventions, including transurethral resection of valves and ureteroneocystostomy with ureteral tapering, were successful.
- These represent the fifth and sixth reported cases in Japanese literature.
Implications:
- Early diagnosis and management of neonatal urinary ascites are vital for favorable outcomes.
- This report highlights the importance of considering diverse urinary tract anomalies as causes.
- Successful surgical correction underscores the efficacy of prompt intervention in these rare cases.