Bladder Replacement by lleocaeco‐urethrostomy or lleo‐urethrostomy with a Reservoir after Cystoprostato‐vesiculectomy for Bladder Cancer

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Abstract
The purpose of this study was to evaluate the function of the intestinal segments used to replace the bladder after cystoprostato-vesiculectomy. The series included 30 patients, 10 of whom underwent clinical, radiological, urodynamic and electromanometric investigations. Seven patients had an ileocaeco-urethrostomy (ICUS) and 3 had an ileo-urethrostomy with a reservoir (IR). The results were good in all patients and there was no sign of tumor recurrence. All were completely continent during the day but during the night only those who observed the 2-h intervals between voiding were continent. The radiological findings for 1 patient showed grade 1 asympatomatic vesicoureteric reflux. In all cases, periodic pressure waves were observed during electrocystomanometric tests at basal levels, with the IR patients showing waves higher in frequency and lower in amplitude. Prostigmin induced a significant variation in motor activity in IR patients only. The urodynamic tracings showed an almost physiological flow in both groups. Cystomanometry revealed good compliance in both types of new bladders. The height and width of contraction waves during filling was greater in ICUS than in IR patients. Good perineal sphincteric activity was demonstrated by electromyography. Low passive resistance was indicated by the urethral pressure profile. Preliminary analysis of data indicated good functional micturition and renal function in both ICUS and IR patients. Slight differences were found between the two intestinal segments used for bladder replacement.