影响开放式乳突根治鼓室成形术听力效果的相关因素分析

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1、PrognosticFactorsforHearingResultsafterCanalWallDownMastoidectomywithTympanoplastyBackgroundGraduate：YuhuaWuSupervisor：ZhaobingQinDepartmentofOtolaryngology，FirstAffiliatedHospitalofZhengzhouUniversity,Zhengzhou，450052，ChinaAbstractAstneearmlcrosurgerytechniquesandimagedisplaytec

2、hnologyforchr0Ilicsuppurativeotitismedia(CSOM)rapidlydeveloped，thetreatmentofCSOMhasbeenmadeoverthepasttoremovethefocusandtopreventcomplications，andgraduallyturnedtothoroughlyremovethediseaseinmiddleear,atthes锄etime，thehearingrecon8tructionwasdone,SOastoreconstructtheossicles，pat

3、chthetympanicm锄bmeandformthemiddleearcavityfullofairtorestoreorimprovethenearing·ThemiddleearsurgeryisthemainmethodtotreatCSOM．Atpresent．themlddIeearsurgeryincludesCanalWallupMastoidectomywithTympanoplastvandCanalWallDownMastoidectomywithTympanoplasty．TheCallalWallDownmetnodlseas

4、ilydone·Itremovesthefocusthoroughlyandwaseasytoobsen7epostoperative·NowitisstillthetreatmentofCSOMofoneofthemostbasicmethod·Butabouttheacceptablepostoperativelisteningeffect，reportresllltsaredifferentfromeachother．Somescholarsathomeandabroadhadobservedmeefleetfactorsmayinfluencet

5、heresultsafterCanalWallDownMastoidectomvwithFympanoplasty,buttheseanalysesmostwereone-wayanalysis，andsomeresultscontradictedeachother．Becausethepostoperativehearingeffectsrelatedtllepreoperativehearing,theextentofdisease，theossicles，aswellasmetI．catmerltIVAbstractintro-perativean

6、dpostoperativeclosely,andseveralfactorsmayeffecttheresultsatthesametime．Therefore，thisstudythroughtheresearchofCSOMafterhearingreconstructionwouldanalyzethefactorswithlogisticanalysis，SOastofindouttheinfluencefactors，toguidethetreatmentofCSOM，toassistsurgicaltechniqueanddetermine

7、theattention．Sothepatientswouldgetabetterrecovery．Methods100casesofCSOMwithsurgicaltreatmentallbytheOtologyoftheFirstAffiliatedHospitalofZhengzhouUniversitywerefollowedupaftersurgeryfromJanuary2010toJanuary2011．Therewere47ofmalecasesand53offemalecasesaccountforallthe100cases．Thep

8、atientsagedfrom14to76yearsandtheaveragea