Transverse retubularized ileum: early clinical experience with a new second line Mitrofanoff tube
Abstract
PURPOSE: Transverse retubularization of small ileal segments has been described as a new time and labor saving variation of the Mitrofanoff principle in a dog model with good functional results. We report our initial clinical experience with this technique.
MATERIALS AND METHODS: From May 1996 through January 1997 a new technique of channel formation for intermittent catheterization was applied in 9 children (1 to 16 years old) and 7 adults (18 to 56) with various abnormalities of the lower urinary tract. The new method was used in primary reconstruction of the lower urinary tract and in revision procedures. An ileal segment 2 cm. long was excised. The bowel wall was opened longitudinally about 1 cm. from the mesentery. The resulting rectangle was retubularized over a 14F catheter in transverse direction. The longer portion of the tube was implanted submucosally into the native bladder, the augmented bladder or an intestinal reservoir. The shorter portion was used to form the stoma. In 4 patients we created a double tube.
RESULTS: Of the patients 13 (81%) are completely continent day and night with easy catheterization postoperatively. In 2 cases of tunnel failure continuous leakage required reimplantation of the intact ileal tube to achieve continence. Minor leakage with bladder fullness in an 11-year-old boy could be obviated by adjusting the interval of catheterization.
CONCLUSIONS: With the advantage of constant availability, minimal loss of bowel, relative simplicity…
How strong is the evidence?
Evidence Hub reads this as a clinical trial, 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: 9 participants or records.
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