analysis of intraoperative capsular trauma induced by a :术中囊损伤诱导的分析

analysis of intraoperative capsular trauma induced by a :术中囊损伤诱导的分析

ID:39944234

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页数:9页

时间:2019-07-15

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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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