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[Reintervention after ureteroneocystostomy with special attention to replacement of ureter by an ileal loop (author's transl)].

After unsuccessful primary 'simple' ureteroneocystostomy using the methods of Frisch-Boeminghaus, Röhl-Ziegler, and Politano-Leadbetter, a second surgical intervention often can be performed after the methods of Boari and Küss. After unsuccessful primary 'combined' ureteroneocystostomy (Boari-Küss), a further ureter reimplantation mostly is not possible. In specially selected cases of unsuccessful ureterovesicoplasty we used an ileal loop as ureteral replacement. Our control period in 8 (14) patients is now up to 15 years. Long-term controls have shown in most patients a change to better renal function. The most important facts are the preoperative renal reserve and the original disease. After replacement of the ureter by an ileal loop a regular short-term control of urinary infection, blood urea and electrolyte balance is unavoidable.