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  • Title: Refluxing ureteral reimplantation: a logical method for managing neonatal UVJ obstruction.
    Author: Kaefer M, Misseri R, Frank E, Rhee A, Lee SD.
    Journal: J Pediatr Urol; 2014 Oct; 10(5):824-30. PubMed ID: 24850437.
    Abstract:
    OBJECTIVE: An obstructed megaureter can be managed using a number of techniques, with the primary goal being to minimize the potential for further injury to the affected kidney. Classically, these obstructed ureters have been treated using cutaneous ureterostomy. However, this technique has certain limitations including the potential for stenosis. We describe our experience with the refluxing ureteral reimplantation as a novel, yet technically simple, method for temporary internal diversion of the obstructed megaureter. METHODS: Treatment consists of transecting the ureter proximal to the obstruction and performing an end-to-side anastomosis with the bladder in a freely refluxing fashion. Patients are placed on antibiotic suppression following surgery. Subsequent open definitive surgery is performed through the same incision site once the child is older than 1 year of age. RESULTS: Sixteen patients identified with severe hydroureteronephrosis were found to have an obstructed megaureter(s) involving 19 ureteral moieties. Patients underwent internal diversion at an average age of 5 months. All patients demonstrated improved drainage of the affected kidney(s) following surgery. Three patients developed a febrile urinary tract infection. Definitive surgical treatment was undertaken in 18 of 19 ureters, and consisted of ureteral reimplantation with tapering or plication (13), ureteral reimplantation without tapering (3), and nephrectomy (2). One patient with multiple other congenital anomalies is not a candidate for further genitourinary reconstruction. CONCLUSIONS: Refluxing ureteral reimplantation is a safe and easy method of temporary internal urinary diversion. Simple in principle, the concept of creating a refluxing ureteral reimplantation is no different from that of incising an obstructing ureterocele. This technique allows time for the child to mature, while preserving renal function and awaiting definitive repair.
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