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  • Title: [Primary obstructive megaureter in infants: medical or surgical treatment? Apropos of 24 cases].
    Author: Vidal V, Fremond B, Chapuis M, Babut JM.
    Journal: J Urol (Paris); 1988; 94(5-6):279-83. PubMed ID: 3058813.
    Abstract:
    The authors analyse 24 cases of primary obstructive megaureter diagnosed before the age of 3 months. 18 were discovered by antenatal echography between 28 and 39 weeks, whereas 6 were detected by the occurrence of early urinary tract infection. Initial investigations included echography, intravenous urography and micturating cystouretrogram. Primary megaureter was bilateral in 14 cases, unilateral in 12. According to the urographic classification of Beurton, there were 12 ureters stage III, 12 stage II, 10 stage I. 15 patients were operated, 4 of them during the first months (2 reimplantations, 2 urinary diversions). 12 were submitted to later reimplantation at the mean age of 15 months, one had a non functioning kidney removed. 9 were non operated and treated conservatively by antibacterials and regular supervision. Results analysis evaluated according to radiological stage and treatment showed that in more cases, surgery should be differed initially. Complete clinical and radiological resolution is possible even in severe obstructions. Antibacterial treatment beginning at birth favorises regression of dilated ureter. Thus reimplantation should be deferred undercover of regular biological and radiological survey. The age of 12 to 18 months is the most technically favorable time to ureteric reimplantation.
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