ArticleJournal of pediatric urology2014
Resolution rate of isolated low-grade hydronephrosis diagnosed within the first year of life.
Article in Journal of pediatric urology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
7 citing papers in PubMed, 34 citations in OpenAlex.
- Increased kidney length in mild urinary tract dilatation is a significant prognostic factor for non-resolution.Pediatric nephrology (Berlin, Germany) · 2025Article
- Risk factors for surgery in children with ureteropelvic junction obstruction due to antenatally detected ınfantil hydronephrosis.Clinical and experimental nephrology · 2025Article
- Antenatally detected urinary tract dilatation: long-term outcome.Pediatric nephrology (Berlin, Germany) · 2023Review
- Appropriate timing of performing abdominal ultrasonography and termination of follow-up observation for antenatal grade 1 or 2 hydronephrosis.BMC urology · 2020Article
- Symptomatology and Clinic of Hydronephrosis Associated With Uretero Pelvic Junction Anomalies.Frontiers in pediatrics · 2020Review
- Isolated low grade prenatally detected unilateral hydronephrosis: do we need long term follow-up?International braz j urol : official journal of the Brazilian Society of UrologyArticle
- 99mTc-DTPA Diuretic Renography with 3 hours late output fraction in the evaluation of hydronephrosis in children.International braz j urol : official journal of the Brazilian Society of UrologyArticle
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Authors and funding
6 authors at 4 institutions in 1 country.
Funding
Abstract
objectiveDiagnosis of low-grade hydronephrosis often occurs prenatally, during evaluation after urinary tract infection (UTI), or imaging for non-urologic reasons within the first year of life. Its significance in terms of resolution, need for antibiotic prophylaxis, or progression to surgery remains uncertain. We hypothesized that isolated low-grade hydronephrosis in this population frequently resolves, UTIs are infrequent, and progression to surgical intervention is minimal. PATIENTS AND
methodsChildren < 12 months old diagnosed hydronephrosis (Society for Fetal Urology [SFU] grade 1 or 2) between January 2004 and December 2009 were identified by ICD9 code. Patients with other urological abnormalities were excluded. Stability of hydronephrosis, UTI (≥ 100,000 CFU/mL bacterial growth) or need for surgical intervention was noted.
resultsOf 1496 infants with hydronephrosis, 416 (623 renal units) met inclusion criteria. Of 398 renal units with grade 1 hydronephrosis, 385 (96.7%) resolved or remained stable. Only 13 (3.3%) worsened, of which one underwent ureteroneocystostomy. Of 225 renal units with grade 2 hydronephrosis, 222 (98.7%) resolved, improved or remained stable, three (1.3%) worsened, of which one required pyeloplasty. Only 0.7% of patients in the ambulatory setting had a febrile UTI.
conclusionsLow-grade hydronephrosis diagnosed within the first year of life remains stable or improves in 97.4% of renal units. Given the low rate of recurrent UTI in the ambulatory setting, antibiotic prophylaxis has a limited role in management.
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