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Renal function may not be restored when using decreasing differential function as the criterion for surgery in
A Eskild-Jensen1, T Munch Jørgensen, L H Olsen
1Department of Clinical Physiology and Nuclear Medicine and Urology, Skejby Sygehus, Aarhus University Hospital, University of Aarhus, Denmark. eskild-jensen@dadlnet.dk
BJU International
|November 18, 2003
Summary
Decreasing differential function (DF) in pediatric hydronephrosis requires strict adherence to follow-up schedules to prevent kidney damage. Non-compliance with renography and ultrasonography can jeopardize renal function, necessitating careful management strategies.
Area of Science:
- Pediatric Urology
- Nephrology
- Diagnostic Imaging
Background:
- Congenital hydronephrosis is a common condition in children.
- Monitoring kidney function is crucial for timely intervention.
- Differential function (DF) assessed by renography is a key parameter.
Purpose of the Study:
- To evaluate the efficacy of decreasing differential function (DF) as a surgical criterion in pediatric congenital hydronephrosis.
- To assess the impact of follow-up adherence on renal outcomes.
Main Methods:
- Retrospective review of 52 children (0-12 years) who underwent Anderson-Hynes pyeloplasty.
- Follow-up included serial renography and ultrasonography.
- Surgical criteria included decreasing DF (>10%), low DF (<42%), pyelonephritis, pain, or pelvic diameter >50 mm.
Main Results:
- Eight children underwent surgery for decreasing DF.
- Only one of these eight children adhered to the recommended follow-up schedule.
- Significant irreversible kidney damage was noted in 2-3 children; functional improvement occurred in three post-surgery.
Conclusions:
- Adherence to follow-up protocols is critical when using decreasing DF for surgical decisions in pediatric hydronephrosis.
- Non-compliance can lead to irreversible kidney damage.
- Close cooperation and early, regular monitoring are essential to avoid severe renal consequences.