根治性肾输尿管切除术时远端输尿管的处理不影响膀胱复发。

The Management of Distal Ureter During Radical Nephroureterectomy Does Not Influence Bladder Recurrence.

机构信息

Department of Urology, CHU Tours, Tours, France.

Department of Urology, CHU Rennes, Rennes, France.

出版信息

J Endourol. 2022 Jan;36(1):77-82. doi: 10.1089/end.2021.0303.

Abstract

The bladder cuff (BC) management and its surgical approach represent an essential and debated step in radical nephroureterectomy (RNU) for upper tract urothelial carcinoma. The objective of our study was to determine which BC management has the best oncologic outcomes in terms of bladder recurrence-free survival (BRFS). We retrospectively analyzed all patients who underwent an open robot-assisted laparoscopic (RNU) or a combined RNU between March 2012 and March 2019 in three academic hospitals. BC management approaches were divided into two categories: (O-cuff) open BC and (R-cuff) robot-assisted BC. We assessed demographic characteristics, distal ureter approach, pathology, and operative details, as well as oncologic outcomes including BRFS. Survival was analyzed using the Kaplan-Meier method and compared using the log-rank test. A multivariable analysis was performed to identify predictive factors of bladder recurrence (BR). A total of 117 patients were included with a mean follow-up of 40.4 months. Patients with a history of bladder cancer, RNU with pure laparoscopic approach, and endoscopic BC were excluded. There were 53 (45%) patients in the O-cuff group and 64 (55%) in the R-cuff group. BRFS at 2 years was 73.3% and 72.7% for O-cuff and R-cuff, respectively ( = 0.9). On multivariable analysis, distal ureter tumor (odds ratio: 6.24, 95% confidence interval: 1.95-21.5;  < 0.01) was associated with BR. There was no statistically significant difference in BRFS between the O-cuff and R-cuff groups. Nevertheless, we underlined that distal ureter tumor was associated with BR. Although we did not find differences regarding the surgical approach, BC remains a very important step of RNU and caution should be taken when performed laparoscopically to avoid any tumor spillage. Risk factors for bladder cancer recurrence might be taken into account for the choice of its surgical approach.

摘要

膀胱袖套(BC)的管理及其手术方法是上尿路尿路上皮癌根治性肾输尿管切除术(RNU)中至关重要且存在争议的步骤。我们的研究目的是确定在膀胱无复发生存率(BRFS)方面,哪种 BC 管理具有最佳的肿瘤学结果。

我们回顾性分析了 2012 年 3 月至 2019 年 3 月在三家学术医院接受开放机器人辅助腹腔镜(RNU)或联合 RNU 的所有患者。BC 管理方法分为两类:(O-cuff)开放式 BC 和(R-cuff)机器人辅助 BC。我们评估了人口统计学特征、远端输尿管入路、病理学和手术细节,以及包括 BRFS 在内的肿瘤学结果。生存分析采用 Kaplan-Meier 法,并使用对数秩检验进行比较。进行了多变量分析以确定膀胱复发(BR)的预测因素。

共纳入 117 例患者,平均随访 40.4 个月。排除膀胱癌病史、单纯腹腔镜 RNU 和内镜 BC 的患者。O-cuff 组 53 例(45%),R-cuff 组 64 例(55%)。O-cuff 和 R-cuff 的 2 年 BRFS 分别为 73.3%和 72.7%( = 0.9)。多变量分析显示,远端输尿管肿瘤(优势比:6.24,95%置信区间:1.95-21.5; < 0.01)与 BR 相关。O-cuff 和 R-cuff 组之间的 BRFS 无统计学差异。尽管如此,我们强调远端输尿管肿瘤与 BR 相关。尽管我们在手术方法方面没有发现差异,但 BC 仍然是 RNU 非常重要的步骤,在腹腔镜下进行时应谨慎,以避免任何肿瘤溢出。膀胱癌复发的危险因素可能会影响其手术方法的选择。

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