Radical nephroureterectomy (RNU) represents the standard of care for high-risk upper tract urothelial carcinoma (UTUC). In selected patients with ureteral UTUC, a conservative approach such as segmental ureterectomy (SU) can be considered. However, this therapeutic option remains controversial. The aim of this study was to perform a systematic review and meta-analysis of studies assessing the outcomes of SU versus RNU in patients with UTUC. Three search engines (Scopus, Embase, and Web of Science) were queried up to May 2019. The Preferred Reporting Items for Systematic Review and Meta-analysis Statement (PRISMA Statement) was used as a guideline for study selection. The clinical question was established as stated in the PICO (Population, Intervention, Comparator, Outcome) process. Patients in the SU group were more likely to have history of bladder cancer (odds ratio [OR], 1.99; 95% confidence interval [CI], 1.12-3.51; P = .02), but less likely to present with preoperative hydronephrosis (OR, 0.52; 95% CI: 0.31-0.88; P = .02). A higher rate of ureteral tumor location was found in the SU group (OR, 7.54; 95% CI, 4.15-13.68; P < .00001). The SU group presented with a lower rate of higher (pT ≥ 2) stage (OR, 0.66; 95% CI, 0.53-0.82; P = .0002), and high-grade tumors (OR, 0.62; 95% CI, 0.50-0.78; P < .0001). The SU group was found to have shorter 5-year relapse-free survival (OR, 0.64; 95% CI, 0.43-0.95; P = .03), but higher postoperative estimated glomular filtration rate (weighted mean difference, 10.97 mL/min; 95% CI, 2.97-18.98; P = .007). Selected patients might benefit from SU as a therapeutic option for UTUC. In advanced high-risk disease, RNU still remains the standard of care.
Segmental Ureterectomy for Upper Tract Urothelial Carcinoma: A Systematic Review and Meta-analysis of Comparative Studies
Veccia A.;Simeone C.;
2020-01-01
Abstract
Radical nephroureterectomy (RNU) represents the standard of care for high-risk upper tract urothelial carcinoma (UTUC). In selected patients with ureteral UTUC, a conservative approach such as segmental ureterectomy (SU) can be considered. However, this therapeutic option remains controversial. The aim of this study was to perform a systematic review and meta-analysis of studies assessing the outcomes of SU versus RNU in patients with UTUC. Three search engines (Scopus, Embase, and Web of Science) were queried up to May 2019. The Preferred Reporting Items for Systematic Review and Meta-analysis Statement (PRISMA Statement) was used as a guideline for study selection. The clinical question was established as stated in the PICO (Population, Intervention, Comparator, Outcome) process. Patients in the SU group were more likely to have history of bladder cancer (odds ratio [OR], 1.99; 95% confidence interval [CI], 1.12-3.51; P = .02), but less likely to present with preoperative hydronephrosis (OR, 0.52; 95% CI: 0.31-0.88; P = .02). A higher rate of ureteral tumor location was found in the SU group (OR, 7.54; 95% CI, 4.15-13.68; P < .00001). The SU group presented with a lower rate of higher (pT ≥ 2) stage (OR, 0.66; 95% CI, 0.53-0.82; P = .0002), and high-grade tumors (OR, 0.62; 95% CI, 0.50-0.78; P < .0001). The SU group was found to have shorter 5-year relapse-free survival (OR, 0.64; 95% CI, 0.43-0.95; P = .03), but higher postoperative estimated glomular filtration rate (weighted mean difference, 10.97 mL/min; 95% CI, 2.97-18.98; P = .007). Selected patients might benefit from SU as a therapeutic option for UTUC. In advanced high-risk disease, RNU still remains the standard of care.File | Dimensione | Formato | |
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