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Iranian Journal of Pediatrics
Tehran University of Medical Sciences Press
ISSN: 1018-4406
EISSN: 1018-4406
Vol. 23, No. 4, 2013, pp. 439-444
Bioline Code: pe13083
Full paper language: English
Document type: Research Article
Document available free of charge

Iranian Journal of Pediatrics, Vol. 23, No. 4, 2013, pp. 439-444

 en Outcome of Vesicoureteral Reflux in Infants: Impact of Prenatal Diagnosis
Mohammadjafari, Hamid; Alam, Alireza; Mohammadi, Saeed; Mousavi, Seyed-Abdollah; Kosaryan, Ahmadshahab; Khademloo, Mohammad & Abedi, Mohammad


Objective: Vesicoureteral reflux (VUR) is an important disorder that could be diagnosed in antenatal or postnatal period. The natural history of VUR seems to be different between prenatal or postnatal forms of the disease. We compared the natural history and outcome of vesicoureteral reflux in infants less than one year old diagnosed prenatally or postnatally.
Methods: All infants less than 12 months old with VUR were enrolled in two groups. Group 1 composed of patients with antenatal hydronephrosis and group2, infants with diagnosis of VUR because of UTI or other postnatal problems. We followed patients for an average of 33 months. Outcome was assessed by several factors: somatic growth, need for surgery, resolution, occurrence of UTI and scar formation.
Findings: We studied 236 renal units in 152 patients (70 boys, 82girls), 67 patients in group 1 and 85 patients in group2. Occurrence of recurrent UTI was 10.6% with no significant difference between two groups. Reflux resolved in postnatal group more significantly than in the other group (73% vs 49%). Scar developed similarly in both groups (15% vs 25% of renal units). Surgery performed in 7 (8.2%) of postnatal and 4 (6%) of prenatal group with no significant differences between the two groups.
Conclusion: VUR diagnosed prenatally has similar importance and outcome as postnatal diagnosed one. We suggest performing the same imaging and treatment procedures for prenatally and postnatally diagnosed VUR.

Vesicoureteral Reflux; Hydronephrosis; Urinary Tract Infection; Renal Scaring; Prenatal Diagnosis

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