Abstract
Purpose
To investigate the prognostic significance of sarcopenia on long-term outcomes in patients with bladder cancer after radical cystectomy (RC).
Methods
We retrospectively reviewed 136 patients undergoing RC for urothelial carcinoma at our institution. Prognostic impact of the preoperative clinical, laboratory, and radiologic parameters were evaluated by Cox proportional hazard model analyses, and a nomogram was developed to predict cancer-specific survival (CSS) after RC.
Results
The mean follow-up was 46.7 months. Patients with sarcopenia had a significantly shorter CSS than those without sarcopenia. On univariate Cox analysis, clinical T stage, histology of transurethral resection of bladder tumor (TURBT) specimen, pretreatment hemoglobin, pretreatment neutrophil-to-lymphocyte ratio (NLR), pretreatment serum C-reactive protein level, pretreatment serum albumin level, presence of hydronephrosis, and presence of sarcopenia were associated with significantly worse CSS. On multivariate Cox stepwise analysis, sarcopenia (hazard rate [HR] = 2.3, p = 0.015), clinical T stage (cT4: HR = 5.3; p = 0.0096), presence of hydronephrosis (HR = 2.0; p = 0.033), histology of TURBT specimen (HR = 2.2, p = 0.044), and NLR (HR = 1.3; p = 0.0048) were significant independent predictors of an unfavorable prognosis Based on the results of the multivariate analysis, we developed a nomogram to predict 1-, 3-, and 5-year CSS after RC.
Conclusions
Sarcopenia, clinical T stage, presence of hydronephrosis, histology of TURBT specimen, and NLR are novel preoperative prognostic factors even after adjustment for other known preoperative predictors in patients undergoing RC for bladder cancer.
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Hirasawa, Y., Nakashima, J., Yunaiyama, D. et al. Sarcopenia as a Novel Preoperative Prognostic Predictor for Survival in Patients with Bladder Cancer Undergoing Radical Cystectomy. Ann Surg Oncol 23 (Suppl 5), 1048–1054 (2016). https://doi.org/10.1245/s10434-016-5606-4
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DOI: https://doi.org/10.1245/s10434-016-5606-4