Outcome of Vesicoureteral Reflux in Infants: Impact of Prenatal Diagnosis

authors:

avatar Hamid Mohammadjafari 1 , * , avatar Alireza Alam 2 , avatar Saeed Mohammadi 3 , avatar Seyed-Abdollah Mousavi 4 , avatar Ahmadshahab Kosaryan 5 , avatar Mohammad Khademloo 6 , avatar Mohammad Abedi 7

Iranian Journal of Pediatrics: Vol.23, issue 4; 439-444
published online: July 13, 2013
article type: Research Article
received: December 21, 2012
accepted: April 07, 2013

how to cite: Mohammadjafari H, Alam A, Mohammadi S, Mousavi S, Kosaryan A, et al. Outcome of Vesicoureteral Reflux in Infants: Impact of Prenatal Diagnosis. Iran J Pediatr. 2013;23(4): 439-444. 

Abstract

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.
 

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