Comparison of Oncologic Outcomes for Open and Laparoscopic Nephroureterectomy: A Multi-Institutional Analysis of 1249 Cases

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書誌事項

公開日
2009-07
権利情報
  • https://www.elsevier.com/tdm/userlicense/1.0/
DOI
  • 10.1016/j.eururo.2009.03.072
公開者
Elsevier BV

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説明

Data regarding the oncologic efficacy of laparoscopic nephroureterectomy (LNU) compared to open nephroureterectomy (ONU) are scarce.We compared recurrence and cause-specific mortality rates of ONU and LNU.Thirteen centers from three continents contributed data on 1249 patients with nonmetastatic upper tract urothelial carcinoma (UTUC).Univariable and multivariable survival models tested the effect of procedure type (ONU [n=979] vs LNU [n=270]) on cancer recurrence and cancer-specific mortality. Covariables consisted of institution, age, Eastern Cooperative Oncology Group (ECOG) performance status score, pT stage, pN stage, tumor grade, lymphovascular invasion, tumor location, concomitant carcinoma in situ, ureteral cuff management, previous urothelial bladder cancer, and previous endoscopic treatment.Median follow-up for censored cases was 49 mo (mean: 62). Relative to ONU, LNU patients had more favorable pathologic stages (pT0/Ta/Tis: 38.1% vs 20.8%, p0.001) and less lymphovascular invasion (14.8% vs 21.3%, p=0.02) and less frequently had tumors located in the ureter (64.5 vs 71.1%, p=0.04). In univariable recurrence and cancer-specific mortality models, ONU was associated with higher cancer recurrence and mortality rates compared to LNU (hazard ratio [HR]: 2.1 [p0.001] and 2.0 [p=0.008], respectively). After adjustment for all covariates, ONU and LNU had no residual effect on cancer recurrence and mortality (p=0.1 for both).Short-term oncologic data on LNU are comparable to ONU. Since LNU was selectively performed in favorable-risk patients, we cannot state with certainty that ONU and LNU have the same oncologic efficacy in poor-risk patients. Long-term follow-up data and morbidity data are necessary before LNU can be considered as the standard of care in patients with muscle-invasive or high-grade UTUC.

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