Effect of Bladder Neck Preservation and Posterior Urethral Reconstruction during Robot-Assisted Laparoscopic Radical Prostatectomy for Urinary Continence. 2012

Youn Chul You, and Tae Hyo Kim, and Gyung Tak Sung
Department of Urology, Dong-A University College of Medicine, Busan, Korea.

OBJECTIVE To report our results on urinary continence after bladder neck preservation (BNP) and posterior urethral reconstruction (PUR) during robot-assisted laparoscopic radical prostatectomy (RALP). METHODS Data from 107 patients who underwent RALP were compared on the basis of whether the patients underwent BNP and PUR, BNP only, or the standard technique (ST). In group A (n=31 patients), ST was performed by using Ven velthoven continuous suturing for urethrovesical anastomosis. In group B (n=28 patients), ST with only PUR was performed. In group C (n=48 patients), both the BNP and PUR techniques were used. "Recovery of continence" was defined as the use of 1 pad (50 ml) or less within 24 hours. RESULTS The three groups were comparable in terms of patient demographics. The mean operative time and the mean blood loss decreased significantly from group A to group C (p=0.021 for mean operative time and p=0.004 for the mean blood loss). Mean catheterization time was 8.9, 7.8, and 7.1 days in each group (p=0.047). Early return of urinary continence at 3 months was observed in group B (89.2%) and group C (90.6%) compared with group A (71%). However, continence at 6 months was comparable in the 3 groups (87.5% in group A, 92.8% in group B, and 92.3% in group C). Rates of positive surgical margins decreased from 30.2% in group A to 20% in group B and 12% in group C. CONCLUSIONS BNP and PUR during RALP showed a favorable impact on the early postoperative recovery of continence while not affecting positive surgical margins.

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