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Isolated single umbilical artery--the case for routine renal screening
W G Bourke1, T A Clarke, T G Mathews
1Department of Paediatrics, Rotunda Hospital, Dublin, Republic of Ireland.
Archives of Disease in Childhood
|May 1, 1993
Summary
Infants with isolated single umbilical artery (SUA) have a higher incidence of silent renal anomalies. Renal ultrasonography is recommended for all infants diagnosed with isolated SUA to detect these abnormalities early.
Area of Science:
- Neonatal Medicine
- Pediatric Urology
- Medical Imaging
Background:
- Single umbilical artery (SUA) is a rare umbilical cord anomaly.
- SUA can be associated with congenital anomalies, particularly renal abnormalities.
- Screening for renal anomalies in infants with isolated SUA is crucial for early diagnosis and management.
Purpose of the Study:
- To determine the incidence of silent renal anomalies in infants presenting with isolated single umbilical artery (SUA).
- To evaluate the necessity of renal ultrasonography screening for infants with isolated SUA.
Main Methods:
- A retrospective review of infants with SUA identified over a six-year period.
- Exclusion of infants with other obvious congenital anomalies.
- Renal ultrasonography screening for all eligible infants with isolated SUA.
Main Results:
- An isolated SUA was identified in 112 infants (0.32% of over 35,000 placentas examined).
- Nineteen infants (17%) showed abnormal renal imaging.
- Eight infants (7.1%) had significant, persistent renal abnormalities, including five (4.5%) with vesicoureteric reflux.
Conclusions:
- A significant incidence of renal anomalies exists in infants with isolated SUA.
- Renal ultrasonography is a valuable screening tool for detecting these silent anomalies.
- Routine renal ultrasonography is recommended for all infants diagnosed with isolated SUA.