Improved onlay island flap urethraplasty in the treatment of children with hypospadias

doi:10.3969/j.issn.10073205.2016.10.003

Abstract

Abstract: [
Abstract ] Objective Toinvestigatetheoperationofmodifiedonlayislandflapurethroplasty
inthetreatmentofpediatrichypospadias.Methods Retrospectiveanalysiswasperformedin76
caseswhoreceivedthemodifiedonlayislandflapurethroplasty.Themethodofthemodifiedonlay
islandflapurethroplasty : thecorpusspongiosum / urethralplatewasdissectedintactfromthe
corporacavernosaafterdegllvinganddartosexcision , relyingonelasticityofthesestructuresto
allowthepenistostraighten.Itisnecessarytoselecttheinnerplateofprepuceastheflapto
suturewiththeurethralplate.Results Theurethralplatewaspreservedsuccessfullyin73cases
of76patients ( 96.0% ): 4caseshadnoventralcurvatureafterdeglovinganddissectiongofthe
ventraldartos ; 58caseswerecorrectedaftermobilizationofthecorpusspongiosum / urethralplate
andurethra ; 11caseswerecorrectedbyanextradorsalplacation , including4caseswithlessthan
30-degreeresidualcurvature , 7 cases with greaterthan 30-degreeresidualcurvature.The
operationachievementratiowas88.2% ( 67 / 76cases.5casessupervenedwithurinaryfistula ( 4
caseswerethencuredbyopreration , 1caseshealednaturally ), 1casewithmeatalstenosisand
curedby urethralsounding.There wasno urinary diverticulosis , necrosisand dehiscence.
Conclusion Themodifiedonlayislandflapurethroplastybystraighteningventralcurvatureby
mobilizationofthecorpusspongiosum / urethralplateandselectingtheinnerplateofprepuceas
theflapcansignificantlyreducethepostoperativecomplicationandimprovethesuccessrateof operation , whichisworthyofclinicalpromotion.

Key words: hypospadias , urethroplasty , child

NIU Zhishang, HAO Chunsheng*, BAI Dongsheng, YE Hui, QIU Ying, SONG Jinqiu. Improved onlay island flap urethraplasty in the treatment of children with hypospadias[J]. Journal of Hebei Medical University, doi: 10.3969/j.issn.10073205.2016.10.003.

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Improved onlay island flap urethraplasty in the treatment of children with hypospadias

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