Urologia internationalis · 2010
Preoperative hydronephrosis predicts advanced bladder cancer but is not an independent factor for cancer-specific survival after radical cystectomy.
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Hofner Thomas, Haferkamp Axel, Knapp Lena, Pahernik Sascha, Hadaschik Boris, Djakovic Nenad, Wagener Nina, Hohenfellner Markus
Аннотация
INTRODUCTION: Hydronephrosis and BMI are analyzed together with established factors such as TNM stage and surgical margins in a multivariate modality to investigate their status as independent prognostic factors for bladder cancer-specific survival in patients undergoing radical cystectomy.
PATIENTS AND METHODS: We studied a prospective cohort of 328 patients who underwent radical cystectomy for bladder cancer at our institution. Statistical analyses were performed using the Kaplan-Meier method, Kendall-tau rank correlation and multivariate Cox proportional hazard model.
RESULTS: Hydronephrosis was positively correlated with advanced tumor stage, positive lymph node involvement and positive surgical margins. Adjusted for all other investigated parameters, BMI and hydronephrosis did not affect cancer-specific survival. In multivariate analysis only non-organ-confined disease (HR: 1.40, 95% CI: 1.04-1.87, p = 0.024), positive lymph node stage (HR 1.71: 95% CI: 1.12-2.61, p = 0.013) and positive surgical margins (HR 3.00, 95% CI: 1.74-5.15, p < 0.001) were prognostic factors.
CONCLUSIONS: Hydronephrosis at the time of radical cystectomy is significantly correlated with the presence of more advanced bladder cancer and positive surgical margins. However, the long-established parameters pT stage, pN stage and surgical margins predominantly influence cancer-specific survival for patients undergoing radical cystectomy irrespective of hydronephrosis and BMI status.
PATIENTS AND METHODS: We studied a prospective cohort of 328 patients who underwent radical cystectomy for bladder cancer at our institution. Statistical analyses were performed using the Kaplan-Meier method, Kendall-tau rank correlation and multivariate Cox proportional hazard model.
RESULTS: Hydronephrosis was positively correlated with advanced tumor stage, positive lymph node involvement and positive surgical margins. Adjusted for all other investigated parameters, BMI and hydronephrosis did not affect cancer-specific survival. In multivariate analysis only non-organ-confined disease (HR: 1.40, 95% CI: 1.04-1.87, p = 0.024), positive lymph node stage (HR 1.71: 95% CI: 1.12-2.61, p = 0.013) and positive surgical margins (HR 3.00, 95% CI: 1.74-5.15, p < 0.001) were prognostic factors.
CONCLUSIONS: Hydronephrosis at the time of radical cystectomy is significantly correlated with the presence of more advanced bladder cancer and positive surgical margins. However, the long-established parameters pT stage, pN stage and surgical margins predominantly influence cancer-specific survival for patients undergoing radical cystectomy irrespective of hydronephrosis and BMI status.