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PubMed1996

Morphometric analysis of smooth muscle in the exstrophy-epispadias complex.

PURPOSE: In bladder exstrophy and to a lesser extent in epispadias the muscular tissue in the bladder wall may often be replaced by collagen. The aim of our study was to assess the relative changes of smooth muscle versus connective tissue in patients with the exstrophy-epispadias complex. MATERIALS AND METHODS: Nine full thickness detrusor biopsies from children with the exstrophy-epispadias complex were analyzed. Biopsies were stained with the Masson trichrome method to differentiate muscular tissue from collagen. At x50 magnification using image software for computerized morphometry the areas of smooth muscle and collagen were measured and expressed as a percent. As controls, detrusor biopsies from 8 children with unilateral obstructive megaureter or ectopic ureter were analyzed using the same method. RESULTS: The average rates of smooth muscle in children with the exstrophy-epispadias complex were 7, 19.3 and 31.5%, respectively, in newborns, and before and after bladder neck reconstruction. In controls the rate averaged 56.5%. CONCLUSIONS: The ratio of smooth muscle-to-connective tissue increases from the newborn period to puberty in the exstrophy-epispadias complex. After staged reconstruction is completed this ratio remains below normal, although it is increased. Such a change may represent a histological marker of the inadequate volume increase of some of these bladders.

Abnormalities, Multiple↗
PubMed2003

[Surgical treatment of the extrophy-epispadias complex. Review and current concepts].

Since earlier descriptions the surgical management of the bladder exstrophy and epispadias complex (BEEC) has experimented gradual changes in the search for good aesthetic and functional results. The initial urinary diversion and bladder plate removal has evolved under various authors either by improving or supplementing the above described advances, until reaching the staged functional closure and more recently the complete primary BEEC closure. These later techniques allow to obtain encouraging continence indexes and successful aesthetic results; the low incidence and complexity of this condition however, advises both in terms of early management and later complications that this should be managed in reference centres. Sharing on this spirit of technique combination in search for a satisfactory result for exstrophic newborns and inspired by Leadbetter's contribution to Young-Dees's procedure for vesicoureteral reflux (VUR) correction, we have added a new step to the complete primary BEEC closure known as the Mitchell's technique by performing Gil-Vernet's trigonoplasty to prevent VUR, closely associated to bladder exstrophy. We believe VUR can be prevented right from the first surgical approach in the exstrophic newborn.

Abnormalities, Multiple↗
PubMed2000

The modified Cantwell-Ransley repair for exstrophy and epispadias: 10-year experience.

PURPOSE: We evaluate our experience with the modified Cantwell-Ransley epispadias repair technique to determine the complications and long-term results. MATERIALS AND METHODS: The modified Cantwell-Ransley epispadias repair was performed during the last 10 years in 93 males of whom 79 had classic bladder exstrophy and 14 had complete epispadias. Primary repair was performed in 65 boys with classic bladder exstrophy and 12 with epispadias, and secondary repair was done after prior failed reconstruction in 14 boys with classic exstrophy and 2 with complete epispadias. RESULTS: At mean followup of 68 months 87 patients had a horizontal or downward angled penis while standing. The incidence of urethrocutaneous fistulas was 23% in the immediate postoperative period and 19% at 3 months. A urethral stricture at the proximal anastomotic area developed in 7 patients and 5 (4 with exstrophy and 1 with epispadias) had minor skin separations of the dorsal penile skin closure. Catheterization or cystoscopy in 77 cases revealed an easily negotiable neourethral channel. CONCLUSIONS: The modified Cantwell-Ransley epispadias repair produces an excellent functional and cosmetic result.

Adolescent↗