Laparoscopic versus open nephroureterectomy for the treatment of upper urinary tract urothelial carcinoma: a systematic review and cumulative analysis of comparative studies

European Urology
Shaobin NiChunyang Wang

Abstract

Laparoscopic nephroureterectomy (LNU) has increasingly been used as a minimally invasive alternative to open nephroureterectomy (ONU), but studies comparing the efficacy and safety of the two surgical procedures are still limited. Evaluate the oncologic and perioperative outcomes of LNU versus ONU in the treatment of upper urinary tract urothelial carcinoma. A systematic review and cumulative analysis of comparative studies reporting both oncologic and perioperative outcomes of LNU and ONU was performed through a comprehensive search of the Medline, Embase, and the Cochrane Library electronic databases. All analyses were performed using the Review Manager (RevMan) v.5 (Nordic Cochrane Centre, Copenhagen, Denmark) and Meta-analysis In eXcel (MIX) 2.0 Pro (BiostatXL) software packages. Twenty-one eligible studies (1235 cases and 3093 controls) were identified. A significantly higher proportion of pTa/Tis was observed in LNU compared to ONU (27.52% vs 22.59%; p = 0.047), but there were no significant differences in other stages and pathologic grades (all p>0.05). For patients who underwent LNU, the 5-yr cancer-specific survival (CSS) rate was significantly higher, at 9% (p = 0.03), compared to those who underwent ONU, while the ov...Continue Reading

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