Abstract
Purpose We analyzed the incidence and outcome of postoperative contralateral reflux after unilateral ureteral reimplantation by the Cohen and Glenn-Anderson techniques. Materials and Methods We retrospectively reviewed the records of 120 patients 3 months to 21 years old in whom unilateral vesicoureteral reflux was treated by unilateral reimplantation. The incidence of postoperative contralateral reflux was documented by followup voiding cystourethrography. Results Overall 19 percent of patients who underwent unilateral reimplantation had contralateral vesicoureteral reflux postoperatively, including 21 percent after the Cohen and 17 percent after the Glenn-Anderson procedure. Of the cases 61 percent spontaneously resolved, 13 percent were surgically corrected and 26 percent continue to be followed. Conclusions The rates of postoperative contralateral vesicoureteral reflux are not significantly different after Cohen and Glenn-Anderson repair. A majority of cases will resolve spontaneously within 2 years. The likelihood of trigonal distortion as the etiology of contralateral reflux is low given the similar incidence in cross-trigonal and ureteral advancement reimplantation.
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