جهت دسترسی به کاربرگه ی زیر، از این لینک استفاده کنید. http://dl.kums.ac.ir/handle/Hannan/16272
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dc.contributor.authorNa, Han Kyuen_US
dc.contributor.authorSong, Ho-Youngen_US
dc.contributor.authorYeo, Hyun Jinen_US
dc.contributor.authorPark, Jung-Hoonen_US
dc.contributor.authorKim, Jin Hyoungen_US
dc.contributor.authorPark, Hyungkeunen_US
dc.contributor.authorKim, Choung-sooen_US
dc.date.accessioned2013en_US
dc.date.accessioned2015-11-17T11:09:07Z-
dc.date.available2015-11-17T11:09:07Z-
dc.date.issued2012en_US
dc.identifier.other10.2214/AJR.11.6792en_US
dc.identifier.urihttp://dl.kums.ac.ir/handle/Hannan/16272-
dc.description.abstractOBJECTIVE: The purpose of this article is to compare the clinical effectiveness and complications of externally and internally covered stents for the treatment of benign urethral strictures.\n\nMATERIALS AND METHODS: From July 2002 to June 2010, 59 retrievable self-expandable polytetrafluoroethylene-covered nitinol stents were placed in 33 men with benign urethral strictures. These included 34 internally covered stents placed in 18 patients (group I) and 25 externally covered stents in 15 patients (group E). Stents were routinely removed 4 months after placement from patients who experienced no complications. Complications, duration of stent placement, removal techniques, and maintained patency rates were compared in the two groups.\n\nRESULTS: Twenty-eight complications (82.4%) occurred in 15 patients in group I, whereas 12 complications (48%) occurred in six patients in group E (p=0.005). Three (16.7%) patients in group I and nine (60%) in group E had their stents electively removed without complications (p=0.010). Stent migration was more frequent in group I (47.1%) than in group E (24.0%). No tissue ingrowth was detected in group E, whereas six cases of tissue ingrowth occurred in group I (p=0.034). The standard technique was used more frequently in group E (70.8%). The median stent indwelling period was significantly shorter in group I than in group E (51.5 vs 114 days; p=0.34).\n\nCONCLUSION: Despite their relatively high complication rates, externally covered stents are more effective with fewer complications than internally covered stents in the treatment of benign urethral strictures.en_US
dc.description.sponsorshipAJR. American journal of roentgenologyen_US
dc.format.extentVOLUME : 198ISSUE : 1START PAGE : W55en_US
dc.format.extentEND PAGES : 61en_US
dc.relation.haspart2012medicine article ab (448).pdfen_US
dc.subjectAdulten_US
dc.subjectAgeden_US
dc.subjectAlloysen_US
dc.subjectChi-Square Distributionen_US
dc.subjectCoated Materials, Biocompatibleen_US
dc.subjectDevice Removalen_US
dc.subjectHumanen_US
dc.subjectMaleen_US
dc.subjectMiddle Ageden_US
dc.subjectPolytetrafluoroethyleneen_US
dc.subjectProsthesis Designen_US
dc.subjectRadiography, Interventionalen_US
dc.subjectRetrospective Studiesen_US
dc.subjectStatistics, Nonparametricen_US
dc.subjectStentsen_US
dc.subjectStents: adverse een_US
dc.titleRetrospective comparison of internally and externally covered retrievable stent placement for patients with benign urethral strictures caused by traumatic injury.en_US
dc.typeArticleen_US
Appears in Collections:American Journal of Roentgenology

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