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Twenty patients with vesicoureteric reflux (VUR) secondary to a neuropathic bladder and associated spina bifida were treated with the endoscopic injection of subureteric polytetrafluoroethylene (Teflon) paste. Of the 19 patients (29 ureters) followed up, 13 have persistent reflux, although only 3 of these ureters have needed a second injection. Twelve of the 16, where reflux resolved, required only 1 injection.
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Dewan et al. (1990) studied this question.
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