Detrusor wraparound for bladder neck reconstruction in cohort of children with bladder exstrophy
Abstract
OBJECTIVE: To evaluate the outcome of the detrusor wraparound bladder neck technique of bladder neck reconstruction in 28 children with bladder exstrophy.
METHODS: The records of all patients with bladder exstrophy who underwent detrusor wraparound bladder neck were reviewed. A total of 28 consecutive patients were identified and included 21 boys and 7 girls, with a mean age at surgery of 8.3 years. All patients had undergone previous exstrophy closure (17 staged and 11 complete). Of the 28 patients, 8 (29%) had undergone previous endoscopic injection of a bulking agent at the bladder neck. At surgery, 13 patients (46%) required concomitant ileocystoplasty and a continent outlet. Continence was defined as complete dryness with no urine leakage either through the urethra or the continent outlet.
RESULTS: The mean follow-up duration was 31 months (range 13-48). All augmented patients were continent using clean intermittent catheterization through the outlet. Complete dryness was achieved in 20 (71%) of 28 patients. However, the continence rate was only 47% in the nonaugmented group compared with 100% in the augmented group. Six of the incontinent children underwent bladder neck injection using a bulking agent but dryness was achieved in only 1 (17%).
CONCLUSION: The detrusor wraparound bladder neck technique is a viable option for bladder neck reconstruction for incontinent children after exstrophy closure. However, bladder augmentation and continent outlet construction are…
How strong is the evidence?
Evidence Hub reads this as a cohort study, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 28 participants or records.
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