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  • Title: [Unilateral primary vesico-ureteral reflux: uni- or bilateral reimplantation?].
    Author: Laurenti C, De Dominicis C, Iori F, Dal Forno S, Franco G, Minardi V, Roccheggiani A.
    Journal: J Urol (Paris); 1989; 95(4):213-6. PubMed ID: 2794535.
    Abstract:
    The need of bilateral reimplantation in unilateral reflux is still stressed by some authors. The following represents the rationale for this surgical management. 1. correction of unilateral reflux may increase bladder pressure and in this way induce a contralateral reflux; 2. the operation on one side may lead to changes in the muscles and cause reflux on the opposite one; 3. reflux, though unilateral, is the result of a malformation involving the whole trigone. Nevertheless, the authors regard as unjustified the reimplantation of a normal ureterovesical junction being in-acceptable the risk, even if low, of operative failure on a ureter without reflux. Literature data show an incidence of contralateral reflux after unilateral reimplantation of 11-32%. Such incidence, however, tends to decrease (1.9-20%) one year after the operation due to the spontaneous resolution of reflux in most of the cases. The grade of reflux was low (I-II grade) in the majority of cases. The authors report on 38 cases of unilateral primitive vesico-ureteral reflux who underwent unilateral ureteral reimplantation between 1981 and 1982. Minimum follow-up was 2 years. After surgery, contralateral reflux occurred in 4 cases (10.5%) but it spontaneously subsided within 3 years in all of them. Contralateral reflux was asymptomatic in 3 cases and in no cases caused renal scars. The authors conclude that unilateral ureteral reimplantation is the procedure of choice in children with unilateral reflux. Bilateral reimplantation, however, will be performed in patients with bilateral reflux who showed disappearance of reflux on one side before the operation.
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