Long-Term Oncologic Outcomes of Laparoscopic Versus Open Radical Nephroureterectomy for Patients with T3N0M0 Upper Tract Urothelial Carcinoma: A Multicenter Cohort Study with Adjustment by Propensity Score Matching

Keisuke Shigeta, Eiji Kikuchi, Takayuki Abe, Masayuki Hagiwara, Koichiro Ogihara, Tadanori Anno, Kota Umeda, Yuto Baba, Tansei Sanjo, Kazunori Shojo, Ryuichi Mizuno, Mototsugu Oya

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Background: This study aimed to investigate the long-term oncologic outcomes of laparoscopic radical nephroureterectomy (LRNU) and open radical nephroureterectomy (ORNU) for patients with clinical and pathologic T3N0M0 upper tract urothelial carcinoma (UTUC). Methods: Among 375 UTUC patients who underwent radical nephroureterectomy, this study identified 144 pT3N0M0 patients as cohort 1 after propensity score (PS) matching. Among 399 UTUC patients, the study identified 110 cT3N0M0 patients as cohort 2 after PS matching. Oncologic outcomes such as intravesical recurrence-free survival (IVRFS) and cancer-specific survival (CSS) were assessed by multivariate Cox’s regression analysis. Results: Cohort 1 of pT3N0M0 UTUC had 3-year CSS and IVRFS rates of 67.9 and 52.7%, respectively, in the LRNU group, which were significantly lower than in the ORNU group (81.4%, p = 0.039 and 71.6%, p = 0.046). The multivariate Cox’s regression analysis identified the type of surgical approach (LRNU vs. ORNU) as one of the independent prognostic factors for CSS (hazard rate [HR], 1.88, p = 0.043) and IVRFS (HR, 1.75, p = 0.049). Cohort 2 of cT3N0M0 UTUC had 3-year CSS and IVRFS rates of 48.5 and 41.4%, respectively, in the LRNU group, which were significantly lower than in the ORNU group (65.8%, p = 0.049 and 67.2%, p = 0.047), and the type of surgical approach (LRNU vs. ORNU) remained as one of the independent prognostic factors for CSS and IVRFS. Conclusions: Based on clinical and pathologic T3N0M0 UTUC populations after PS adjustments, LRNU resulted in poorer CSS and IVRFS than ORNU.

Original languageEnglish
Pages (from-to)3774-3781
Number of pages8
JournalAnnals of Surgical Oncology
Volume26
Issue number11
DOIs
Publication statusPublished - 2019 Oct 1

ASJC Scopus subject areas

  • Surgery
  • Oncology

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