Does Ureteral Catheter Insertion Decrease the Risk of Urinary Leakage After Partial Nephrectomy in Patients With Renal Cell Carcinoma?

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Abstract

Introduction

We aimed to evaluate the impact of preoperative ureteral catheter insertion on urinary leakage after partial nephrectomy (PN) in patients with renal cell carcinoma.

Methods

We reviewed the data of 893 patients with renal cell carcinoma who underwent PN and divided them according to ureteral catheter placement. The impact of ureteral catheter placement on postoperative urinary leakage was evaluated by using multivariate analysis.

Results

Ureteral catheters were inserted in 397 (44.5%) patients. Patients with ureteral catheter insertion had larger tumors (2.4 vs. 2.6 cm; P = .031); however, the RENAL nephrometry scores were comparable (P = .131). Robotic PN was more common in patients with ureteral catheters (11.1 vs. 53.9%; P < .001). Urinary leakage did not differ according to ureteral catheter placement (3.4 vs. 3.5%; P = .936). Although tumor size (P = .002), ureteral catheter insertion (P < .001), and operative methods (P < .001) were significantly different according to surgeons, the rate of urinary leakage was similar (surgeon A: 4.0%, surgeon B: 4.6%, surgeon C: 1.5%, others: 2.9%; P = .294). In multivariate analysis of preoperative variables, age and RENAL nephrometry scores were associated with urinary leakage. In multivariate analysis of preoperative and intraoperative variables, the operative method, collecting system status, and intraoperative transfusion, but not ureteral catheter insertion, were related to urinary leakage.

Conclusions

Ureteral catheter insertion does not appear to reduce the risk of urinary leakage after PN, and visibility during PN with meticulous bleeding control is important in preventing urinary leakage after PN.

Micro-Abstract

We evaluated the impact of ureteral catheter insertion on urinary leakage after partial nephrectomy (PN) in 893 patients. Ureteral catheter insertion does not appear to reduce the risk of urinary leakage after PN, and visibility during PN with meticulous bleeding control is important for preventing urinary leakage after the procedure.

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