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Erschienen in:
01.12.2012 | Original Article
Factors associated with non-orthotopic urinary diversion after radical cystectomy
Erschienen in: World Journal of Urology | Ausgabe 6/2012
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Introduction
Preoperative factors favoring the performance of non-orthotopic bladder substitution (OBS) after radical cystectomy for muscle-invasive bladder cancer were identified.
Patients and methods
We retrospectively reviewed the medical records of 730 patients who underwent radical cystectomy for urothelial carcinoma of the bladder. After excluding 75 patients who were unable to undergo OBS due to the tumor location or elevated serum creatinine level, we assessed the preoperative factors in the remaining 655 patients. Multivariate logistic regression analysis was performed to identify the independent preoperative predictors of type of urinary diversion.
Results
Of the 655 patients, 171 (26.1%) underwent non-OBS. Patients who underwent non-OBS were more likely to be older and females, to have a lower educational status, non-organ confined disease, more comorbid medical conditions, more impaired performance status, lower body mass index, anemia, azotemia, and hypoalbuminemia, and to be treated by less-experienced surgeons (P < 0.05 each). After adjusting for provider-based factors, multivariate analysis showed that factors independently associated with non-OBS included advanced age (odds ratio [OR] 4.10, P < 0.001), female gender (OR 2.08, P = 0.027), ECOG performance status (≥1 vs 0, OR 5.20, P < 0.001), low educational status (OR 1.59, P = 0.042), clinically node-positive disease (OR 2.36, P = 0.003), anemia (OR 1.67, P = 0.041), azotemia (OR 3.97, P < 0.001), and hypoalbuminemia (OR 1.84, P = 0.046).
Conclusion
Several patient-based as well as provider-based factors were associated with the type of urinary diversion after radical cystectomy. Advanced age, female gender, low performance status, low education level, clinically node-positive disease, anemia, hypoalbuminemia, and azotemia were associated with non-OBS, as surgery was performed by relatively inexperienced surgeons.