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  • Title: Cold-knife incision of anastomotic strictures after radical retropubic prostatectomy with bladder neck preservation: efficacy and impact on urinary continence status.
    Author: Giannarini G, Manassero F, Mogorovich A, Valent F, De Maria M, Pistolesi D, De Antoni P, Selli C.
    Journal: Eur Urol; 2008 Sep; 54(3):647-56. PubMed ID: 18155824.
    Abstract:
    OBJECTIVES: To evaluate the incidence and characteristics of anastomotic strictures (AS) after radical retropubic prostatectomy (RRP) with bladder-neck preservation (BNP), the efficacy of management with cold-knife incision (CKI), and its impact on urinary continence. METHODS: Seven hundred five consecutive patients who underwent RRP with BNP were prospectively followed with uroflowmetry at postoperative months 1, 3, 6, 9, 12, and investigated for urinary incontinence with the 1-h pad test at AS diagnosis obtained with urethroscopy. If the instrument could not dilate the stricture, CKI was subsequently performed. Follow-up after treatment was performed with uroflowmetry and 1-h pad test at months 1, 3, 6, 9, 12. Recurrent AS was always treated with repeated CKI. RESULTS: Six hundred forty-eight patients were assessable. After a median time of 3.8 mo from RRP, 46 (7.1%) patients developed AS. Urinary incontinence was present in 21 (46%) men at AS diagnosis. Three (7%) patients were successfully managed by urethroscopic dilation only, whereas 43 (93%) required CKI. Eleven (26%) of the latter had recurrent AS. After a median follow-up of 48 mo from the last AS treatment, all patients are stricture-free, de novo urinary incontinence was never documented, and of the 21 originally incontinent men, 11 became continent, 8 improved and 2 remained unchanged. CONCLUSIONS: In our experience, BNP does not decrease the incidence of AS after RRP; however, AS can be effectively managed with repeated CKI with a final 100% success rate. CKI has a possible positive impact on urinary continence in 90% of patients, without causing de novo incontinence.
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