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[Intermittent hydronephrosis. A clinical study in 23 pediatric patients]
A Higuchi1, H Nakai, M Miyazato
1Department of Urology, Tokyo Metropolitan, Kiyose Children's Hospital.
Nihon Hinyokika Gakkai Zasshi. the Japanese Journal of Urology
|October 1, 1996
Summary
Intermittent hydronephrosis diagnosis and surgical indications are challenging. Careful follow-up is crucial as untreated cases may lead to irreversible kidney damage.
Area of Science:
- Pediatric Urology
- Nephrology
- Surgical Intervention
Background:
- Intermittent hydronephrosis presents diagnostic challenges, complicating decisions regarding surgical intervention.
- A retrospective study of 23 patients diagnosed with intermittent hydronephrosis was conducted.
Purpose of the Study:
- To investigate the clinical features and treatment outcomes of intermittent hydronephrosis.
- To evaluate the necessity and timing of surgical intervention for intermittent hydronephrosis.
Main Methods:
- Review of 23 patient cases diagnosed between 1978 and 1995.
- Analysis of clinical presentations, diagnostic imaging (excretory urogram, ultrasonography), renal function studies, and surgical/histological findings.
Main Results:
- The study included 21 boys and 2 girls, with a mean age of 6. Common symptoms were intermittent flank pain, gross hematuria, and vomiting.
- Surgical intervention was performed in 74% of cases, with intrinsic stenosis, aberrant vessels, and ureteral polyps identified as causes of obstruction.
- Asymptomatic patients showed mild pelvic dilatation on excretory urography, while symptomatic patients exhibited pelvic or calyceal enlargement on ultrasonography.
Conclusions:
- Surgical intervention resolved symptoms in treated patients.
- Untreated intermittent hydronephrosis cases showed progression to irreversible hydronephrotic changes and renal dysfunction.
- Careful monitoring and timely intervention are essential for managing intermittent hydronephrosis.