Effects of Submucosal TefIon Paste Injection in Vesicoureteric Reflux: Results with 1- and 2-Year Follow-Up Data

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Abstract
One hundred refluxing ureters with grades II (n = 65), III (n = 27) and IV (n = 8) vesicoureteric reflux (VUR) were treated with endoscopic submucosal polytetrafluoroethylene (Teflon) paste injection. Reflux stopped in 77 ureters after a single injection and in 13 ureters following a second injection. Two ureters remained with minimal (grade I) residual reflux, whilst in another 5 improvement from grades III and IV to grade II reflux was noted. In 3 ureters reflux remained unchanged, because of lateral ectopia of the refluxing ureteric ostium, hindering the injection of Teflon into the correct position. Re-evaluation at 1 year postinjection, of 48 previously cured ureters showed recurrence of reflux in 1 (2 %), but no further recurrences were noted in 19 ureters reevaluated after 2 years.

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