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ID:39944234
大小:2.62 MB
页数:9页
时间:2019-07-15
《analysis of intraoperative capsular trauma induced by a :术中囊损伤诱导的分析》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、AnalysisofIntraoperativeCapsularTraumaInducedbyaNewSingle-UsePolymerIrrigation/AspirationTipDuringPosteriorCapsulePolishingDonDavis,MD,PeterNess,MD,SurekhaMaddula,MD,LilianaWerner,MD,PhD,NickMamalis,MDTheauthorshavenofinancialinterestinthisproductThisproject
2、wassupportedinpartbyagrantfromAlconandbyanunrestrictedgrantfromResearchtoPreventBlindnesstotheDepartmentofOphthalmologyattheUniversityofUtahBackgroundPosteriorcapsuleruptureisaseriouscomplicationofcataractsurgery.Roughlyone-thirdofposteriorcapsulerupturesocc
3、urduringtheirrigation/aspirationstageofphacoemulsification1.Althoughposteriorcapsularpolishingdoesnotinfluenceratesofposteriorcapsuleopacification2,anteriorcapsularpolishingcandecreaseratesofanteriorcapsuleopacification/fibrosis3andcapsularcontraction4.Becau
4、seofthiseffect,somehaveadvocatedtheuseofroutinecapsularpolishingwithimplantationofmultifocalandotherpremiumintraocularlensesthatareextremelysusceptibletodecentrationfrommildcapsularcontraction5.Thesingle-usepolymertipstudiedherewasmanufacturedtodecreaseposte
5、riorcapsulartraumaduringirrigation/aspirationandcapsularpolishing.PurposeTocomparethesafetyandcapsularfriendlinessofanewsingle-usepolymerirrigation/aspiration(I/A)portwithastandardmetalI/AportinaMiyakecadavereyemodel.A.Photomicrograph(20X)ofmetalI/Atipusedin
6、thePathologylaboratoryforresearchpurposes.NotethesmallmetaldiscontinuityontheproximalirrigationportopeningthatiscommontoreusablemetalI/Atips.B.Photomicrograph(20X)ofsingle-usepolymerI/Atipwithoutsleeve.Notethesmoothirrigationportopening.Thetipisdistensiblewi
7、thmoderatepressure,andtheaspirationportedgesareregularandsmooth.BAMaterial/MethodsOneeyeofeachcadaverpairwastreatedwithastandardmetalI/Atip(OD)whilethecontralateraleyewastreatedwithasingle–usepolymerI/Atip(OS).NinepairsofcadavereyeswerepreparedusingtheMiyake
8、/Appletechniqueunderopenskyforbettercapsularvisualization.Followingcapsulorrhexis,andnucleusexpressionbyhydrodissection,cortexwasremovedbyeachrespectiveI/Atip.Theaspirationportwasthenoccludedont
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