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Related Experiment Videos

Primary dilated megaureter: long-term followup

L S Baskin1, S A Zderic, H M Snyder

  • 1Department of Urology, Children's Hospital of Philadelphia, Pennsylvania.

The Journal of Urology
|August 1, 1994
PubMed
Summary

Non-surgical management is safe for select neonates with primary dilated megaureters if they lack vesicoureteral reflux. Long-term outcomes show preserved renal function and improved urinary tract dilation without complications.

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Area of Science:

  • Pediatric Urology
  • Nephrology

Background:

  • Primary dilated megaureters are a common congenital anomaly in neonates.
  • Management strategies have evolved, with a shift towards conservative approaches for select cases.

Purpose of the Study:

  • To evaluate the long-term outcomes of neonates with primary dilated megaureters managed non-surgically.
  • To assess the safety and efficacy of observation in the absence of vesicoureteral reflux.

Main Methods:

  • Retrospective analysis of 25 neonates with primary dilated megaureters managed without surgery.
  • Serial imaging including excretory urography, diethylenetriaminepentaacetic acid renal scans, and sonograms.
  • Mean follow-up of 7.3 years.

Main Results:

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  • 12 cases showed improvement in urinary tract dilation; 6 had stable dilation.
  • No deterioration in renal function was observed on serial renal scans.
  • No patients developed stones, pain, or pyelonephritis.

Conclusions:

  • Non-surgical management is a safe option for select neonates with primary dilated megaureters, particularly when vesicoureteral reflux is absent.
  • Antibiotic prophylaxis and regular imaging are recommended to monitor renal growth and function.