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  • Title: Ureterocalicostomy in children: 12 years experience in a single centre.
    Author: Radford AR, Thomas DF, Subramaniam R.
    Journal: BJU Int; 2011 Aug; 108(3):434-8. PubMed ID: 21156019.
    Abstract:
    OBJECTIVE: • To document the outcome of ureterocalicostomy in children. PATIENTS AND METHODS: • The outcomes of 13 children who had undergone ureterocalicostomy consecutively under the care of two paediatric urologists between 1997 and 2009 were evaluated retrospectively. • Ureterocalicostomy was performed as the primary procedure in four children with horseshoe kidney and four children presenting with gross pelvi-ureteric junction (PUJ) obstruction. • In the remaining five children, it was performed as a secondary procedure for recurrent PUJ obstruction after previous pyeloplasty. • An open approach was employed in 12 patients, whereas, in one patient, it was performed by a laparoscopically-assisted technique. RESULTS: • Mean age at operation was 9.3 years and the mean (range) duration of follow-up was 2.6 (0.3-7.0) years. Twelve children (92%) experienced a good functional outcome following ureterocalicostomy, as defined by reduced dilatation and improved drainage on postoperative ultrasonography and/or isotope imaging. • However one child (8%) developed symptomatic anastomotic obstruction 5 months after primary ureterocalicostomy for obstruction in a horseshoe kidney. Surgical revision was successful, with good drainage, preservation of differential function and relief of symptoms on further follow-up to 3 years. CONCLUSIONS: • Ureterocalicostomy provides a versatile and reliable means of relieving obstruction for a variety of indications, including horseshoe kidney, recurrent PUJ obstruction and gross PUJ obstruction with unfavourable anatomy. • Approximation of ureteric and caliceal urothelium and excision of renal parenchyma in the proximity to the anastomosis are the key steps for securing a satisfactory outcome.
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