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Related Experiment Video

Updated: Jul 4, 2026

Point-of-Care Kidney and Genitourinary Ultrasound in Adults: Image Acquisition

Point-of-Care Kidney and Genitourinary Ultrasound in Adults: Image Acquisition

Published on: June 21, 2024

Prenatal hydronephrosis: early evaluation.

Carlos R Estrada¹

¹Department of Urology, Children's Hospital Boston and Harvard Medical School, Boston, Massachusetts 02115, USA. carlos.estrada@childrens.harvard.edu

Current Opinion in Urology

|June 4, 2008

Summary

This summary is machine-generated.

Prenatal hydronephrosis management is debated. Early postnatal ultrasound and voiding cystourethrogram for all infants with prenatal hydronephrosis may reduce the risk of febrile urinary tract infections.

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Area of Science:

Pediatric Urology
Prenatal Diagnosis
Medical Imaging

Background:

Fetal hydronephrosis is a common antenatal ultrasound finding with controversial management.
Ureteropelvic junction obstruction and vesicoureteral reflux are frequent causes of fetal hydronephrosis.

Purpose of the Study:

To review the early postnatal evaluation of infants diagnosed with fetal hydronephrosis.
To address controversies in the management of prenatally detected hydronephrosis.

Main Methods:

Review of existing literature on fetal hydronephrosis and its postnatal management.
Analysis of the risks associated with different degrees of prenatal hydronephrosis.

Main Results:

Risk of significant urological pathology correlates with hydronephrosis severity.
Postnatal ultrasonography is standard; the need for voiding cystourethrogram in all cases remains debated, especially for mild hydronephrosis.
Early voiding cystourethrogram may mitigate risks of vesicoureteral reflux and febrile urinary tract infections.

Conclusions:

Postnatal management of fetal hydronephrosis lacks definitive guidelines due to insufficient data for risk stratification.
Recommends early postnatal ultrasound and voiding cystourethrogram for all infants with prenatal hydronephrosis to potentially reduce febrile urinary tract infection risk.