Impact of ureteroscopy before radical nephroureterectomy for upper tract urothelial carcinomas on oncological outcomes: a meta-analysis.

Abstract:

OBJECTIVES:To investigate whether ureteroscopy (URS) before radical nephroureterectomy (RNU) for upper tract urothelial carcinomas (UTUCs) has an impact on oncological outcomes. PATIENTS AND METHODS:We performed a systematic literature search of PubMed, Web of Science, and EMBASE for citations published prior to September 2017 that described URS performed on patients with UTUC and conducted a standard meta-analysis on survival outcomes. RESULTS:Our meta-analysis included eight eligible studies containing 3975 patients. The results were as follows: cancer-specific survival (CSS; hazard ratio [HR] 0.76, 95% confidence interval [CI] 0.59-0.99; P = 0.04), overall survival (OS; HR 0.76, 95% CI 0.48-1.21; P = 0.24), recurrence-free survival (RFS; HR 0.89, 95% CI 0.69-1.14; P = 0.37), metastasis-free survival (MFS; HR 1.06, 95% CI 0.82-1.36; P = 0.66), and intravesical recurrence-free survival (IRFS; HR 1.51, 95% CI 1.29-1.77; P < 0.001). When excluding previous bladder tumour history, the result for IRFS was a HR of 1.81 (95% CI 1.53-2.13; P < 0.001). CONCLUSIONS:This meta-analysis indicated that URS before RNU did not have a negative impact on CSS, OS, RFS, or MFS in patients with UTUC. However, patients were at higher risk of intravesical recurrence after RNU when they had undergone URS before RNU. Further studies are needed to assess the effects of post-URS intravesical chemotherapy on intravesical recurrence.

journal_name

BJU Int

journal_title

BJU international

authors

Guo RQ,Hong P,Xiong GY,Zhang L,Fang D,Li XS,Zhang K,Zhou LQ

doi

10.1111/bju.14053

subject

Has Abstract

pub_date

2018-02-01 00:00:00

pages

184-193

issue

2

eissn

1464-4096

issn

1464-410X

journal_volume

121

pub_type

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