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J Urol. 1996 Aug;156(2 Pt 2):629-32.

Bladder neck reconstruction: long-term followup of reconstruction with omentum and silicone sheath.

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Great Ormond Street Hospital for Sick Children, NHS Trust, London, United Kingdom.



In 1986 we reported the placement of a silicone sheath sandwiched between layers of omentum around a newly reconstructed bladder neck. We now present long-term followup of 94 cases of silicone sheath bladder neck reconstruction.


A total of 94 silicone sheaths was placed in 84 patients between August 1983 and October 1992. We retrospectively reviewed our results and divided the reconstructions into 3 groups according to modifications in surgical technique. We report the results of each modification and current recommendations for use.


Each sequential modification of silicone sheath bladder neck reconstruction significantly reduced the risk of erosion from 100%, 32% and 7%, respectively (p < 0.05). Erosion was independent of patient age, sex, pathological condition or whether bladder neck reconstruction was a repeat procedure. Patients who had silicone sheath erosion did not have different continence or loss of urethral continuity than those with no erosion. In 13 patients (16%) artificial sphincter placement was clearly facilitated by the silicone sheath.


Modifications in the surgical technique of silicone sheath placement around a reconstructed bladder neck have resulted in a decrease in the erosion rate to 7%. The primary benefit of silicone sheath placement is ease of subsequent sphincter placement. Currently we reserve silicone sheath placement for a small subset of patients who are most likely to benefit from subsequent artificial sphincter placement.

[Indexed for MEDLINE]

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