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Int Urol Nephrol. 2012 Oct;44(5):1305-9. doi: 10.1007/s11255-012-0240-y. Epub 2012 Jul 6.

Endoscopic treatment of vesicoureteral reflux in children with posterior urethral valves.

Author information

1
Department of Urology, Istanbul Faculty of Medicine, Istanbul University, 34093 Capa, Istanbul, Turkey. tayfunoktar@hotmail.com

Abstract

PURPOSE:

We reviewed the clinical outcome of endoscopic injection therapy in children with vesicoureteral reflux persisting after posterior urethral valve ablation.

METHODS:

We retrospectively reviewed the charts of 16 patients with posterior urethral valves who have undergone endoscopic injection to correct persistent reflux after successful relief of urethral obstruction. Breakthrough urinary tract infections, persistent high-grade reflux and failed ureteroneocystostomy were the indications of endoscopic antireflux surgery.

RESULTS:

Reflux was grade I in 1, grade II in 3, grade III in 11 and grade IV in 4 ureters. Mean age at injection was 6.9 ± 3.8 years and the mean interval from initial intervention to injection was 4.3 ± 2.4 years. Injected material was dextranomer/hyaluronic acid in the majority (87.5 %) of cases. Reflux was resolved or downgraded in 12 ureters (63.1 %) after a single injection. All failed cases had urodynamically documented bladder dysfunction.

CONCLUSION:

More than half of the patients with vesicoureteral reflux, persisting after initial valve ablation, showed complete resolution or significant downgrading in their reflux grade after endoscopic injection. Given the technical difficulties and potential complications of open surgical reimplantation in valve patients, endoscopic subureteral injection can be considered as an effective alternative to cure persistent vesicoureteral reflux.

PMID:
22767179
DOI:
10.1007/s11255-012-0240-y
[Indexed for MEDLINE]

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