Peri-operative mortality and long-term survival after partial versus radical cystectomy for muscle invasive bladder cancer

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Alessandro Larcher
Maxine Sun
Jonas Schiffmann
Zhe Tian
Shahrokh F. Shariat
Michael McCormack
Fred Saad
Nicolò M. Buffi
Alberto Briganti
Giorgio Guazzoni
Francesco Montorsi
Pierre I. Karakiewicz


bladder cancer, radical cystectomy, partial cystectomy, perioperative mortality, long-term outcomes


Objective: The aim of the study was to compare partial cystectomy (PC) and radical cystectomy (RC) with respect to 90-day mortality as well as long-term, all cause (ACM) and cancer specific mortality (CSM).

Methods: Using the SEER-Medicare database 3913 patients with T2-T3 urothelial carcinoma of the urinary bladder (UCUB) who underwent either RC (n = 3419) or PC (n = 494) were identified. After propensity score matching to reduce potential treatment selection bias, 90-day mortality, ACM-free and CSM-free rates between patients treated with PC and RC were estimated. Multivariable regression models (MVA) addressed 90-day mortality as well as 5-years ACM and CSM.

Results: After matching, 33% (n = 494) and 67% (n = 988) patients treated respectively with PC or RC remained. Median follow-up was 26 months. The 90-day mortality rate was 3.2% (n = 16) after PC and 8.1% (n = 80) after RC (P = 0.001). In MVA, PC vs. RC was associated with a lower 90-day mortality (P < 0.001). At 5 years the ACM-free survival rate was 38% after PC and 40% after RC (P = 0.3) and failed to differ in MVA (P = 0.9). At 5 years the CSM-free survival rate was 59% after PC and 62% after RC (P = 0.2) and also failed to differ in MVA (P = 0.57). The same results were observed after restriction to patients with pT2N0 UCUB.

Conclusions: Relative to RC, PC is associated with lower short-term mortality and the same long-term ACM and CSM rates. These observations should encourage greater consideration to PC in those selected cases when this type of surgery may be applied.


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