Objectives: To analyze clinicopathological features and survival of surgically treated patients with renal cell carcinoma (RCC)≥80 years of age in comparison with patients between the ages of 60 and 70 years. Materials and methods: The data for 2,516 patients with a median follow-up of 57 months were retrieved from a multinational database (Collaborative Research on Renal Neoplasms Association [CORONA]), including data for 6,234 consecutive patients with RCC after radical or partial nephrectomy. Comparative analysis of clinicopathological features of 241 octogenarians (3.9% of the database) and 2,275 reference patients between the ages of 60 and 70 years (36.5%) was performed. Multivariable regression analysis adjusted for competing risks was applied to identify the effect of advanced age on cancer-specific mortality (CSM) and other-cause mortality (OCM). Furthermore, instrumental variable analysis was employed to reduce residual confounding by unmeasured parameters. Results: Significantly more women were present (50% vs. 40%, P = 0.004), and significantly less often nephron-sparing surgery was performed in octogenarians compared with the reference group (11% vs. 20%, P<0.001). Although median tumor size and stages did not significantly defer, older patients less often had advanced or metastatic disease (N+/M1) (4.6% vs. 9.6%, P = 0.009). On multivariable analysis, higher CSM (hazard ratio = 1.48, P = 0.042) and OCM rates (hazard ratio = 4.32, P<0.001) were detectable in octogenarians ( c-indices = 0.85 and 0.72, respectively). Integration of the variable age group in multivariable models significantly increased the predictive accuracy regarding OCM (6%, P<0.001), but not for CSM. Limitations are based on the retrospective study design. Conclusions: Octogenarian patients with RCC significantly differ in clinical features and display significantly higher CSM and OCM rates in comparison with their younger counterparts.
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|Data di pubblicazione:||2014|
|Titolo:||Results of a comparative study analyzing octogenarians with renal cell carcinoma in a competing risk analysis with patients in the seventh decade of life|
|Autori:||M. May; L. Cindolo; R. Zigeuner; O. De Cobelli; B. Rocco; C. De Nunzio; A. Tubaro; I. Coman; M. Truss; O. Dalpiaz; I. Wolff; B. Feciche; F. Fenske; M. Pichler; L. Schips; R.S. Figenshau; K. Madison; M. Sánchez-Chapado; M.d.C. Santiago Martin; L. Salzano; G. Lotrecchiano; R. Waidelich; C. Stief; P. Sountoulides; S. Brookman-May|
|Digital Object Identifier (DOI):||10.1016/j.urolonc.2014.04.013|
|Appare nelle tipologie:||Articolo su rivista|
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