Pediatric Urinary Incontinence: Evaluation of Bladder Wall Wraparound Sling Procedure

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Abstract

Purpose

In 1996 a surgical procedure for sphincter deficiency was reported in patients with neurogenic urinary incontinence. To our knowledge we report the first series that assesses this procedure since it was initially described.

Materials and Methods

Seven female and 7 male patients with spinal dysraphism and neurogenic intrinsic sphincter deficiency underwent surgery between 1997 and 2005. All patients had an associated poorly compliant or small capacity bladder. Patient age ranged from 8 to 22 years (mean 14) and all patients presented with persistent urinary incontinence despite intermittent catheterization and pharmacotherapy. Evaluation was based on clinical examination, as well as preoperative and postoperative urodynamic assessments. The surgical procedure involved wrapping a pedicle strip of anterior bladder wall around the bladder neck and fixing it on the pubic symphysis. Bladder augmentation cystoplasty was also routinely performed during the same procedure.

Results

Of 14 patients 13 were completely dry and 1 had stress incontinence. Followup was 2 to 8 years (mean 5). Postoperative urodynamic evaluation showed a maximum urethral pressure increase of 40%. We also observed an increase in bladder capacity of 105% and improved bladder compliance (7 ml/cm H2O preoperatively vs 35 ml/cm H2O postoperatively).

Conclusions

The bladder wall wraparound sling procedure provides excellent results for continence in association with bladder augmentation.

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