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Delayed management of neonatal hydronephrosis
S W Dejter1, D F Eggli, M D Gibbons
1Department of Surgery (Pediatric Urology), Georgetown University Children's Medical Center, Washington, D.C.
The Journal of Urology
|November 1, 1988
Summary
Delayed surgical reconstruction for neonatal hydronephrosis due to ureteropelvic junction obstruction or megaureter is safe and effective. Observation may prevent surgery in some cases, offering benefits like reduced anesthetic risk and improved outcomes.
Area of Science:
- Pediatric Urology
- Neonatal Surgery
- Renal Physiology
Background:
- Neonatal hydronephrosis management, particularly ureteropelvic junction obstruction and megaureter, involves debated surgical timing.
- Antenatal and neonatal hydronephrosis impact renal unit development and function.
Purpose of the Study:
- To evaluate the safety and efficacy of a delayed management protocol for neonatal hydronephrosis.
- To assess renal function changes and surgical outcomes in neonates managed non-operatively initially.
Main Methods:
- Serial diuretic 99mtechnetium-diethylenetriaminepentaacetic acid (DTPA) renography was used to assess 35 renal units in 23 neonates.
- A delayed management protocol was applied, with surgery reserved for cases with confirmed obstruction and significant functional impairment.
Main Results:
- 78% of hydronephrotic renal units showed stable or improving function during observation.
- 9 obstructed renal units underwent delayed reconstruction with no compromise in renal function or complications.
- 2 units resolved obstruction spontaneously, avoiding surgery.
Conclusions:
- Delayed surgical reconstruction is a safe approach for selected neonates with ureteropelvic junction obstruction or megaureter and normal DTPA function.
- Observation can lead to spontaneous improvement, potentially obviating the need for surgery.
- This approach offers benefits including reduced anesthetic risk and improved maternal-infant bonding.