ArticleAnnals of Saudi medicine
Incidence and outcomes of antenatally detected congenital hydronephrosis.
Article in Annals of Saudi medicine. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 30 citations in OpenAlex.
- Outcomes of antenatal hydronephrosis and other renal abnormalities in a population-based cohort.Acta obstetricia et gynecologica Scandinavica · 2026Article
- Epidemiology of congenital anomalies in the Gulf Cooperation Council countries: a scoping review.BMJ open · 2025Article
- Live birth prevalence of major congenital anomalies in the United Arab Emirates.Scientific reports · 2025Article
- Accuracy of Sonographic Renal Pelvic Diameter in Assessment of Renal Function among Patients with Ureteropelvic Junction Obstruction using Scintigraphy as a Gold Standard.International journal of medical sciences · 2025Article
- Exacerbation of Congenital Hydronephrosis as the First Presentation of COVID-19 Infection in Children.Case reports in nephrology · 2022Article
- Article
- Observational
- Postnatal Evaluation and Outcome of Prenatal Hydronephrosis.Iranian journal of pediatrics · 2016Article
- Mitochondrial and cytoskeletal alterations are involved in the pathogenesis of hydronephrosis in ICR/Mlac-hydro mice.International journal of clinical and experimental medicine · 2015Article
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND AND
objectivesAntenatally detected urinary tract abnormalities (ADUTA) are increasingly recognized. Our aims were to determine the incidence and outcomes of antenatally diagnosed congenital hydronephrosis in a large cohort. DESIGN AND SETTINGS: We recorded the number of total deliveries over 4 years at King Abdulaziz University Hospital (KAUH) between January 2008 and December 2011 from the number of nursery and neonatal intensive care unit (NICU) admissions. PATIENTS AND
methodsWe reviewed the records of 18 853 deliveries between January 2008 and December 2011 at KAUH, Saudi Arabia. ADUTA were recorded, and their postnatal medical records were reviewed for demographic and radiological data.
resultsADUTA were diagnosed in 327 fetuses (1.7%). The commonest pathology was congenital hydronephrosis (n=313, 95.7%). Cystic renal anomalies were reported in 4 babies (1.2%), and 10 children (3.1%) were reported to have other renal anomalies, including duplex kidneys or a single kidney. A total of 240 babies with congenital hydronephrosis were followed up. Hydronephrosis resolved in 99 children (41.2%) within 2 months of birth. A total of 29 subjects had underlying renal anomalies (12.1%), including vesicoureteral reflux (n=12, 5%), pelvi-ureteric junction obstruction (n=14, 5.8%), and posterior urethral valve (n=3, 1.3%). The best predictor for nonresolving congenital hydronephrosis and underlying anatomical abnormalities was the anteroposterior diameter on the first postnatal scan. A cut-off point of 5 mm was found to be 83% sensitive in predicting nonresolving hydronephrosis, while 7 mm was 88% sensitive and 10 mm was 94% sensitive.
conclusionsCongenital hydronephrosis is the commonest ADUTA. A large percentage resolved within 2 months of birth, but underlying anatomical abnormalities were found in 12.1%. All babies with antenatally detected hydronephrosis should be examined by ultrasound postnatally but further radiological investigations should only be performed for persistent significant AP dilatation >=10 mm.
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