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Introduction: The authors present the functional long-term follow-up by means of digital fluorographic video-urodynamics (DFVUDM) of two different surgical urinary diversions., Materials and Methods: 64 of 101 patients submitted to radical cystectomy from 1983 to 1999 for infiltrating bladder cancer, were diverted by means of an Alcini's ileocecourethrostomy (ICUS+T), and the remaining 37 patients by means of an ileal reservoir (IR). All of those orthotopically diverted patients were submitted to an accurate follow-up which included DFVUDM 1, 3, 6, and 9 years after the surgical procedure (mean follow-up 51 +/- 42 months)., Results: All the evaluated patients showed a neobladder with good function during both the filling and the voiding phases. In 88.8% of the DFVUDM examinations, it was possible to find a residual peristaltic activity of the neobladder walls. Such a residual peristaltic activity caused urinary leakage during the examination in 11.1% of cases, while vesico-ureteral reflux was detected in 12.5%. The patients voided by relaxing the perineal floor and/or by contracting the abdominal muscles: the emptying of the reservoir was often excellent with average residual urine of 28.5 ml. None of the patients needed clean intermittent catheterization. EMG evaluation of the pelvic floor in some of patients showed a peculiar EMG pattern characterized by an insufficient voluntary control of the perineal musculature with a slight increase of EMG activity during bladder filling. Moreover, an insufficient relaxation of the pelvic floor muscles in the beginning of and during the micturition has been seen. This particular EMG pattern was present in 22.22% of all patients included in this study while it was particularly high (81.81%) in patients with leakage., Conclusion: DFVUDM evaluation represents a highly sophisticated tool which allows an accurate long-term morphofunctional evaluation of the urinary diverted patients. In this study, it is shown that the functional results of the two studied surgical procedures, namely Alcini's ICUS+T and IR, are quite similar, demonstrating that the taeniotomies on the cecal tract may have almost the same functional effects of detubularization. Although DFVUDM revealed imperfect functional performances in some patients, the quality of life of diverted patients in our series seems to be satisfactory., (Copyright 2002 S. Karger AG, Basel)