Endopyelotomy for Pelvi-Ureteric Junction Obstruction in Children

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Abstract
Endopyelotomy or percutaneous pyeloplasty has become an attractive alternative to open pyeloplasty in adult patients in recent years. However, the experience and reports of this procedure in the paediatric population have been limited to date. We report our experience in paediatric patients undergoing this procedure. Seventeen children with primary (14) or secondary (3) pelvi-ureteric junction (PUJ) obstruction were consented for endopyelotomy over a 3-year period. Patient age ranged from 4 months to 16 years, and the male to female ratio was 11:6. Percutaneous nephrostomy was established in 5 patients prior to endopyelotomy either for diagnosis or for drainage of an acutely obstructed upper tract. The remaining 12 had endopyelotomy as a one-stage procedure. The average duration of the procedure was 103 min(range 60-150 min) and the average hospital stay was 5 days (range 3-9 days). Follow-up averaged 15 months (range 3-36 months). Endopyelotomy was successful in 10/13 patients (77%), unchanged in 1, and failed in the remaining 2. We believe that percutaneous pyeloplasty can be safely and successfully performed in children with primary and secondary PUJ obstruction

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