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ID:62096887
大小:4.89 MB
页数:127页
时间:2021-04-16
《最新人工耳蜗植入手术并发症-张绍兴.教学讲义PPT课件.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、人工耳蜗植入手术并发症-张绍兴.IntroductionBecausethenumberofcochlearimplantcandidateshasincreasedinrecentyears,cochlearimplantationhasbecomearoutinesurgicalprocedure.Theotologistsshouldbeawareofthepossiblecomplicationsofcochlearimplantsurgery.IntroductionPreviousstudieshaveshownalowrateofcomplicationsfor
2、cochlearimplant(CI)surgery.AlthoughmostadverseeffectsofCIsurgeryoccurtransientlyanddisappearwithtime,therearesomecomplicationsthatarepermanent.OccurrencerateofminorcomplicationsTinnitusAggravationoftinnituscanbeseenmostcommonlyinpatientswhocomplainedofitpreoperatively.Thetinnitususuallyincr
3、easesonlyforafewdaysandsubsideswithoutanytreatment.WhenpatientsstarttousetheCI,theloudnessoftinnitustendstodecreaseinmostbecauseofthemaskingeffect.Inaddition,decrementoftinnitusoftenlastsevenaftertheCIisturnedoffinaconsiderablenumberofthepatients.Explanationsofthesecharacteristicsoftinnitus
4、arelikelytobringgreaterrelieftothepatientthanwouldtheuseofmedicine.PostoperativedizzinessAccordingtopreviousreports,postoperativedizzinesswasthoughttoberareandbasicallynegligible.However,recentstudiesincludingourshaveshownthatalargenumberofpatientshavepostoperativedizzinessorunsteadiness.Fi
5、gure2showstherateofpostoperativedizzinessonconsecutivedaysafterCIsurgeryinourpatientgroup,inthatmostofthemwerepost-linguallydeafadults.Becausesmallchildrencannotclaimthedizziness,theymaysimplyhaverecurrentvomitingforonedayafterthesurgery.Thedizzinessoccursduringthefirst4to5daysinmorethanone
6、thirdofthepatientsaftersurgery,anditdecreasesovertime.WedetectedrecurrentvertigoinasmallpercentageofpatientswhodidnotsufferfromMenierediseasebutwhodidhavegoodvestibularfunctionbeforethesurgery.TheclinicalfeaturesofvertigoofdelayedonsetweresimilartothoseofpatientswithMenieredisease.Wespecula
7、tethatendolymphatichydropsmayhaveoccurredinthesepatientsaftercochlearimplantation.Fortunately,thistypeofvertigodoesnotlastformanyyears,andthefrequencyofvertigoattacksdecreaseovertime.Carefulmaneuveringduringcochleostomyandelectrodeinsertioncanminimizepos
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