Guidance on Imaging and Management of Perinatal Urinary Tract Dilation

A new report from the AAP provides a practical algorithm and clarifies when antibiotics and functional imaging are warranted.

Sponsoring Organization: American Academy of Pediatrics (AAP)

Background

Urinary tract dilation (UTD), commonly seen on perinatal ultrasonography (US), was classified by expert consensus in 2014 (J Pediatr Urol 2014; 10:982). Practices around postnatal surveillance of UTD vary. Now, the AAP provides its first clinical report on perinatal UTD, with detailed recommendations for monitoring and management.

Key Points

Most cases of antenatal UTD resolve spontaneously.
Antenatal UTD is classified as low or increased risk. Low-risk UTD should be followed with repeat US once at ≥32 weeks' gestation; increased-risk UTD should be monitored with US every 4 weeks until delivery.
Recommendations for postnatal renal bladder ultrasonography (RBUS) depend on cla…

Reviewing Author

Clement D. Lee, MD, MSc

Disclosures

Nothing to disclose

Clement D. Lee, MD, MSc

Disclosures

Nothing to disclose

Guidance on Imaging and Management of Perinatal Urinary Tract Dilation

Topics

Background

Key Points

Reviewing Author