摘要
ObjectiveToreporttympanoplastycasescompletedwithSheehyPartialOssicularReplacementProstheses(PORP).MethodsSeventyeight(83ears)of89caseswhoreceivedSheehyPORPforossicularchainreconstructionwerereviewed.Thesecaseswerefollowedformorethan6months(mean:21.3months).Thepreandpost-operativeaverageairconductionthresholdsandAir-BoneGap(ABG)at0.5,1and2kHzwerecompared.ResultsAll83earsshoweduneventfulhealingat1monthpostoperatively.PORPsin2earswithoutcartilagereinforcementwerefounddislocatedat3months.Preoperativehearingthresholdswerefrom35.75to68.5dBHL(mean:59.13±15.23dBHL).Postoperativemeanhearingthresholdimprovedto32.23±13.21dBHL(P<0.01).Meanair-bonegap(ABG)improvedfrom36.95±12.19dBpreoperativelyto21.71±12.05dBaftersurgery(P<0.01).In68ears(81.9%),postoperativeABGswereeither≤20dBorimprovedby15dBormorecomparedtobeforesurgery(definedassatisfactory).ConclusionPORPasaossicularreconstructionmaterialappearstoprovidesatisfactoryresults.Attentionshouldbepaidtoavoidofpostoperativedislocation.Long-termoutcomesremaintobeassessed.
出版日期
2009年01月11日（中国期刊网平台首次上网日期，不代表论文的发表时间）
