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Intravesical irrigation might prevent bladder recurrence in patients undergoing radical nephroureterectomy for upper urinary tract urothelial carcinoma
Author(s) -
Yamamoto Satoshi,
Sakamoto Shinichi,
Imamura Yusuke,
Sazuka Tomokazu,
Nakamura Kazuyoshi,
Inoue Toshihito,
Chiba Kazuto,
Miyazaki Kanetaka,
Inoue Atsushi,
Nagata Maki,
Ichikawa Tomohiko
Publication year - 2019
Publication title -
international journal of urology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.172
H-Index - 67
eISSN - 1442-2042
pISSN - 0919-8172
DOI - 10.1111/iju.14014
Subject(s) - medicine , urothelial carcinoma , urology , upper urinary tract , urinary system , bladder cancer , cancer
Objectives To examine the effectiveness of intravesical irrigation with physiological saline solution or distilled water for the prevention of bladder recurrence in patients undergoing laparoscopic nephroureterectomy for upper urinary tract urothelial carcinoma. Methods This retrospective study involved 109 upper urinary tract urothelial carcinoma patients who underwent laparoscopic nephroureterectomy, and were evaluated at Chiba University Hospital and Yokohama Rosai Hospital between 2001 and 2018. We investigated the outcomes and analyzed various clinical factors including with or without intravesical irrigation related to bladder carcinoma recurrence after surgery. Physiological saline solution or distilled water was used for irrigation, which was carried out only during surgery. Results The median follow‐up period after surgery was 26.1 months. Bladder recurrence was confirmed within 2 years for 45 of the 109 patients in the present study. Irrigation was carried out for 48 cases (distilled water, 26 patients; physiological saline solution, 22 patients). Tumor grade (G1–2 vs G3; P  = 0.05) and intravesical irrigation (yes vs no; P  = 0.0058) were related to bladder recurrence on univariate analyses. On multivariate analyses, intravesical irrigation was the independent factor involved in the prevention of bladder recurrence ( P  = 0.0051). Comparison between the irrigation and non‐irrigation groups showed that bladder recurrence rates were significantly lower in the irrigation group (irrigation group vs non‐irrigation group: 25.0% vs 52.5%, P  = 0.0066). There was no significant difference in the recurrence rate between the two solutions used for irrigation. Conclusions Intravesical irrigation during surgery of upper urinary tract urothelial carcinoma might decrease postoperative bladder recurrence rates.

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