Objective: To study the effect of the bladder wall neourethra (BWN) technique on early urinary continence after laparoscopic radical prostatectomy (LRP).

Methods: We prospectively selected 40 cases of LRP performed in our hospital from August 2020 to August 2021 and randomly divided them into a BWN group (n = 20) and a control group (n = 20). We recorded the urinary continence rate of the two groups of patients at 7, 30, 90 and 180 days, and measured the maximum urethral pressure (MUP), functional urethral length (FUL) and functional urethral area (UFA) and observed the shape of the neourethra closure by MRI at 1 month after catheter removal.

Results: The urinary continence rates were significantly higher in the BWN than in the control group at 7 days (90.0% vs 25.0%, P < 0.001), 30 days (95.0% vs 35.0%, P < 0.001), 90 days (100% vs 60.0%, P < 0.05) and 180 days (100% vs 90.0%, P > 0.05) after catheter removal. No statistically significant difference was observed in MUP between the two groups (P > 0.05). FUL and FUA were remarkably higher in the BWN than in the control group (P < 0.01). MRI showed tight closure of the neourethra in the BWN group in the urine storage period.

Conclusion: The BWN technique can significantly prolong FUL and improve early urinary continence after LRP.

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