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  • Title: Vesico-ureteral reflux in children with prenatally detected hydronephrosis: a systematic review.
    Author: van Eerde AM, Meutgeert MH, de Jong TP, Giltay JC.
    Journal: Ultrasound Obstet Gynecol; 2007 Apr; 29(4):463-9. PubMed ID: 17390310.
    Abstract:
    OBJECTIVE: To investigate the value of prenatally detected hydronephrosis (PNH) as a prognostic factor for vesico-ureteral reflux (VUR). METHODS: The MEDLINE database was searched for articles on PNH and VUR published between 1980 and 2004. A total of 18 studies were identified and reviewed for various aspects. Results were separated for primary and/or secondary VUR whenever possible, because of the different underlying pathogenic mechanisms. RESULTS: There was considerable variation between the different studies with respect to methodology and study design. One of the main discrepancies was the way in which postnatal abnormalities were ascertained: by postnatal ultrasound, voiding cystourethrogram (VCUG) alone, or combined or sequential ultrasound and VCUG. Taking these limitations into account, the published data showed there to be a mean prevalence of 15% for postnatal primary VUR after PNH. Of all patients with PNH, 53% had no postnatal anomalies, whereas 29% had other anomalies, such as duplex collecting systems. CONCLUSIONS: Of all infants with PNH, 15% had primary VUR proven postnatally and 53% had no other anomalies detected. We suggest a standardized protocol for future studies, to enable better comparison of follow-up protocols. Published by John Wiley & Sons, Ltd.
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