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J Urol. 2009 Nov;182(5):2369-74. doi: 10.1016/j.juro.2009.07.026. Epub 2009 Sep 16.

Urinary diversion trends at a high volume, single American tertiary care center.

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Department of Urologic Surgery, Vanderbilt University Medical Center, Nashville, Tennessee 37232-2765, USA.



We analyzed patient characteristics and practice patterns at our institution with time, and identified current patterns and factors contributing to the choice of urinary diversion.


We reviewed the records of 553 consecutive radical cystectomy and urinary diversions performed from January 2000 to July 2005. Multivariate analysis was done to determine significant differences in diversion choice.


We analyzed the records of 539 patients, including 338 with an ileal conduit and 201 with a neobladder. Patients with a neobladder were younger (mean age 62 vs 71 years) and had fewer comorbidities (American Society of Anesthesiologists class greater than 2 in 31% vs 69%) than those with an ileal conduit. Mean age and the percent of American Society of Anesthesiologists class 3 or 4 cases increased during the study. Neobladder represented 47% of urinary diversions in 2000 and 21% in 2005. On multivariate analysis age (p <0.001), gender (p = 0.004), surgery year (p = 0.002), American Society of Anesthesiologists class greater than 2 (p = 0.004), organ confined disease (p = 0.01) and surgeon (p <0.001) independently predicted diversion choice. Patients were dichotomized into young (younger than 65 years) and old (65 years old or older) groups. Overall 59% of younger and 26% of older patients received a neobladder (p <0.001).


There was a significant trend toward the more liberal use of ileal conduit urinary diversion. Patients with female gender, advanced age, significant medical comorbidity or locally advanced disease were less likely to undergo neobladder urinary diversion. This trend is partly explained by surgeon preference combined with an aging, more comorbid patient population. Neobladder continues to be the most commonly performed urinary diversion in patients younger than 65 years.

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