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  • Title: Comparison of partial vs radical nephrectomy with regard to other-cause mortality in T1 renal cell carcinoma among patients aged ≥75 years with multiple comorbidities.
    Author: Sun M, Bianchi M, Trinh QD, Hansen J, Abdollah F, Hanna N, Tian Z, Shariat SF, Montorsi F, Perrotte P, Karakiewicz PI.
    Journal: BJU Int; 2013 Jan; 111(1):67-73. PubMed ID: 22612472.
    Abstract:
    OBJECTIVE: To quantify the effect of partial nephrectomy (PN) vs radical nephrectomy (RN) on other-cause mortality (OCM) in elderly patients with localized renal cell carcinoma (RCC) and/or multiple comorbidities. METHODS: Using the Surveillance, Epidemiology, and End Results Medicare-linked database, patients with T1 RCC, aged ≥75 years, or who had ≥2 comorbidities, were identified (1988-2005). To adjust for inherent differences between treatment types, propensity-based matched analyses were performed. Competing-risks regression analyses for prediction of OCM were assessed according to treatment type. The effect of PN and RN on OCM was examined in three sub-groups: patients aged ≥75 years; patients with ≥2 comorbidities; and patients aged ≥75 years with ≥2 comorbidities. RESULTS: After propensity-based matched analyses and adjustment for all covariates, PN was found to exert a protective effect relative to RN with respect to OCM in all patients (hazard ratio [HR]: 0.84, P = 0.048). In subanalyses, no difference was recorded between PN and RN in patients who were aged ≥75 years (HR: 0.83, P = 0.2), with ≥2 baseline comorbidities at diagnosis (HR: 0.83, P = 0.1), or in patients who were aged ≥75 years and who had ≥2 baseline comorbidities (HR: 0.77, P = 0.2). CONCLUSIONS: Some elderly patients and/or those with multiple comorbidities at diagnosis may not benefit from PN with respect to OCM. After rigorous patient selection, alternative treatment options could be considered.
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