Cytoreductive Partial Nephrectomy versus Cytoreductive Radical Nephrectomy for Locally T 1 Stage Metastatic Renal Rell Carcinoma (mRCC)

Sichuan da xue xue bao. Yi xue ban = Journal of Sichuan University. Medical science edition
San-Chao XiongXiang Li

Abstract

To explore whether cytoreductive partial nephrectomy (cPN) or cytoreductive radical nephrectomy (cRN), is more beneficial for patients with locally T 1 stage metastatic renal cell carcinoma (mRCC). We retrospectively collected the data ofthe patients with locally T 1 stage mRCC ( n=934) from the Surveillance, Epidemiology, and End Results (SEER) database. Logistic regression was conducted to identify the determinants of cPN. Propensity-score match (PSM) was used to diminish the confounder. Kaplan-Meier survival analyses was performed and multivariable Cox proportional hazards model was used to evaluate the effect of cPN and cRN on overall survival (OS) and cancer specific survival (CSS). Among the 934 patients, 142 (15.2%) received cPN and 792 (84.8%) received cRN. Before PSM, both OS and CSS in cPN group were better in Kaplan-Meier analysis (log rank test, each P< 0.01). In a survival analysis of propensity-score matched 141 pairs of patients, cPN was still associated with improved OS and CSS compared with cRN (log rank test, each P< 0.01). After PSM, the 2-year OS were 61.7% and 74.4%, and 5-year OS were 35.6% and 59.2% in the cRN and cPN cohorts respectively. Cox proportional hazards model confirmed cPN the independent risk ...Continue Reading

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