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- W2080644593 abstract "No AccessJournal of UrologyHypospadias/Penis/Sexual Differentiation Disorder1 Oct 2011Comparative Histological and Functional Controlled Analysis of Tubularized Incised Plate Urethroplasty With and Without Dorsal Inlay Graft: A Preliminary Experimental Study in Rabbits Bruno Leslie, Lisieux E. Jesus, Yaser El-Hout, Katherine Moore, Walid A. Farhat, Darius J. Bägli, Armando J. Lorenzo, and João L. Pippi Salle Bruno LeslieBruno Leslie More articles by this author , Lisieux E. JesusLisieux E. Jesus More articles by this author , Yaser El-HoutYaser El-Hout More articles by this author , Katherine MooreKatherine Moore More articles by this author , Walid A. FarhatWalid A. Farhat More articles by this author , Darius J. BägliDarius J. Bägli More articles by this author , Armando J. LorenzoArmando J. Lorenzo More articles by this author , and João L. Pippi SalleJoão L. Pippi Salle More articles by this author View All Author Informationhttps://doi.org/10.1016/j.juro.2011.04.008AboutFull TextPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissionsReprints ShareFacebookLinked InTwitterEmail Abstract Purpose: We analyzed the histological and functional characteristics of the tubularized incised plate vs dorsal inlay graft urethroplasty in an experimental rabbit model. Materials and Methods: A total of 24 New Zealand male rabbits were randomly allocated into 4 groups, including sham operation, urethroplasty, tubularized incised plate urethroplasty and dorsal inlay graft urethroplasty. In the urethroplasty group the anterior urethral wall was half excised and the dorsal aspect was tubularized. In the tubularized incised plate group the same steps were followed but tubularization followed a longitudinal midline incision in the dorsal wall. In the dorsal inlay graft group the defect created by the dorsal incision was covered with an inner preputial graft. The animals were sacrificed at 4 and 8 weeks, respectively. The penis was immediately harvested for standardized passive flowmetry and subsequently fixed for histological staining. Results: The grafts took in all animals. The tubularized incised plate defect was bridged by urothelium while in the dorsal inlay graft group the preputial graft kept its original histological characteristics. There was a significant decrease in average flow in the urethroplasty group (1.6 ml per second) compared to that in the sham operated group (3.4 ml per second) and to the other groups (p <0.05). However, no significant difference in average flow was found for the tubularized incised plate and dorsal inlay graft groups (2.4 and 2.2 ml per second, respectively, p = 0.7). Conclusions: In this short-term rabbit model dorsal inlay graft urethroplasty was feasible with good graft take and integration. Simple tubularization of a reduced urethral plate led to significantly decreased flow. Incision of the reduced plate with or without grafting improved the average flow. Findings in this experimental model do not support the superiority of dorsal inlay graft urethroplasty over tubularized incised plate urethroplasty in terms of urethral flow dynamics. References 1 : A multicenter evaluation of technical preferences for primary hypospadias repair. J Urol2005; 174: 2354. Link, Google Scholar 2 : Tubularized, incised plate urethroplasty for distal hypospadias. J Urol1994; 151: 464. Link, Google Scholar 3 : Tubularized incised plate hypospadias repair: results of a multicenter experience. J Urol1996; 156: 839. Link, Google Scholar 4 : Snodgrass hypospadias repair with vascularized dartos flap: the perfect repair for virgin cases of hypospadias?. 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Google Scholar Division of Urology, Hospital for Sick Children and University of Toronto, Toronto, Ontario, Canada© 2011 by American Urological Association Education and Research, Inc.FiguresReferencesRelatedDetailsCited byJesus L, Schanaider A, Kirwan T, Aitken K, Caldas M, Fonseca E, Marchenko A, Bagli D and Pippi-Salle J (2018) Reduced Flow after Tubularized Incised Plate Urethroplasty—Increased Fibrogenesis, Elastin Fiber Loss or Neither?Journal of Urology, VOL. 191, NO. 6, (1856-1862), Online publication date: 1-Jun-2014. Volume 186Issue 4SOctober 2011Page: 1631-1637 Advertisement Copyright & Permissions© 2011 by American Urological Association Education and Research, Inc.KeywordsgraftsurodynamicsrabbitsurethrahypospadiasMetricsAuthor Information Bruno Leslie More articles by this author Lisieux E. Jesus More articles by this author Yaser El-Hout More articles by this author Katherine Moore More articles by this author Walid A. Farhat More articles by this author Darius J. Bägli More articles by this author Armando J. Lorenzo More articles by this author João L. Pippi Salle More articles by this author Expand All Advertisement PDF downloadLoading ..." @default.
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