Extravesical Reconstruction for Ureterovesical Obstructions in Childhood

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Abstract
The blind empirical practice of ureteral reimplantation for all types of ureterovesical obstruction is founded on entirely speculative concepts of the nature of the obstruction. A significant proportion of ureterovesical obstructions are caused by a tilt-valve type of abnormality of the distal ureter with a normal juxtavesical segment. These can be corrected rationally by an extravesical ureteroureteroplasty. This procedure was done to relieve obstruction of 9 ureters in 8 children. The pathological anatomy found in these cases is defined and the technique of operative recognition and reconstruction is described. With adequate operative recognition and appropriate case selection relief of obstruction was achieved and maintained in 7 of the 9 ureters.

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