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  • Title: Upper urinary tract dilation due to conglutination of intraluminal distal ureters after orthotopic neobladder with split-cuff nipple ureteral reimplants: early results of 8 cases.
    Author: Yao K, Hou GL, Liu ZW, Yu SL, Li YH, Zhou FJ.
    Journal: Urol Oncol; 2009; 27(6):611-6. PubMed ID: 19372052.
    Abstract:
    OBJECTIVE: We reviewed our experience with dilation of the upper urinary tract caused by the conglutination of distal ureters after orthotopic neobladder reconstruction using the split-cuff nipple ureteral reimplant technique. MATERIALS AND METHODS: From January 2000 to April 2007, 250 consecutive patients underwent radical cystectomy and orthotopic neobladder reconstruction. Ureterointestinal anastomosis was performed using the split-cuff nipple technique in 291 renoureteral units. The patients from a single center were followed up for a mean period of 8 months (range 1-22) after surgery. We incised the conglutination band using a transurethral endoscope. Patient characteristics, endoscopic technique, measurement of serum creatinine levels, and results of ultrasonography, cystoscopy, and excretory urography were collected. RESULTS: Hydronephrosis was found in 8 patients (14 renoureteral units) due to the conglutination of the distal ureters to each other (n = 6) or to the neobladder wall (n = 2). After the incision procedure, seven patients had obvious improvement in renal function and hydronephrosis, and their symptoms disappeared. In 1 patient, hydronephrosis developed again because of ureteroenteric stenosis after 7 months and was resolved by open surgical revision. The hydronephrosis had improved greatly in this patient by 5 months after revision. CONCLUSION: Conglutination of the distal ureters is a cause of hydronephrosis after orthotopic neobladder reconstruction using the reimplant technique with the split-cuff nipple. Cystoscopy is mandatory in following up patients who have hydronephrosis with the split-cuff nipple ureteral reimplant technique, not only to confirm the diagnosis but to treat the complication by incising the conglutination band. Continued follow-up is required to evaluate the long-term results of this treatment.
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