学科分类
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500 个结果
  • 简介:AIM:Todescribethedesignandpreliminaryresultsofthehospitalbasedepidemiologicalstudyfordiabeticretinopathy(HBESDR),anongoingepidemiologicalstudytoestimatetheprevalenceofdiabeticretinopathy(DR)andtoelucidatetheclinical,anthropometric,biochemicalandanyotherriskfactorsassociatedwithdiabeticretinopathy.METHODS:Totally2000diabeteswillberecruitedfromtheDiabeteseyeclinicintheFirstAffiliatedHospitalofChinaMedicalUniversity.AllsubjectsunderwentbloodsugarestimationandOralGlucoseToleranceTesttodiagnosediabetes.Alldiabeteswouldundergocompletequestionnaire,acomprehensiveeyeexamination.Bloodandurinewouldbecollectedforbiochemicalinvestigations.AllfundusphotographsforanyDRwillbegraded.Participantswhoneedtreatmentwillbesenttotheophthalmicclinicandfollow-upintervalprogramforallsubjectswillbesuggested.Acomputerizeddatabaseiscreatedfortherecords.RESULTS:Todate,1174diabeteshavebeenrecruited,therewere350(29.81%)DRinalldiabetes,mostofthemwerewithmildnon-proliferativediabeticretinopathy(NPDR)(139,39.71%);71(20.29%)moderateNPDR,66(18.86%)severeNPDR,74(21.14%)proliferativediabeticretinopathy(PDR).Females,longerdurationofdiabetes,familyhistoryofdiabetesandhypertensionhadastatisticallysignificantincreaseinriskofanyDR.CONCLUSION:ThestudyisexpectedtoprovideanestimateoftheoverallprevalenceofDRandtheprevalencewithdifferentdurationofdiabetesandalsoabetterunderstandingoftheriskfactorsassociatedwithDR.

  • 标签: DIABETIC RETINOPATHY PREVALENCE epidemiolo-gical STUDY
  • 简介:结膜松弛症是老年人常见眼病,但一直为国内眼科医师所忽视,易造成误诊、漏诊。上海中医药大学附属普陀医院经过十几年探索,对结膜松弛症诊疗技术进行了系统研究,已经形成规范诊疗方案。特举办国家级Ⅰ类(6分)继续教育项目“结膜松弛症发病机制及手术治疗”(项目编号:20110702052)学习班,并系统演示结膜松弛症手术治疗录像、现场观摩手术。

  • 标签: 结膜松弛症 手术治疗 发病机制 学习班 上海中医药大学 继续教育项目
  • 简介:·AIM:Toinvestigatethetherapeuticeffectsofnanophtha-locyaninephotosensitizersonanexperimentalratchoroidalneovescularization(CNV)model,aswellastoevaluatethecytotoxicityofwhichonhumanretinalpigmentepithelia(HRPE)andhumanretinalendothelialcells(HRECs).·METHODS:Twotypesofphotosensitizers,G1-ZnPc(COOH)8andG1-ZnPc(COOH)8/mrespectively,wereadministratedforphotodynamictherapy(PDT)afterasuccessfulestablishmentofCNVmodelonBrown-Norway(BN)ratsviafundusphotocoagulation.Thetherapeuticeffectsofthetwodrugswereassessedthroughopticalcoherencetomography(OCT),fluoresceinfundusangiography(FFA)andtransmissionelectronmicroscopy(TEM).Forcytotoxicitytests,cellcountingkit-8(CCK-8)assaysandchangesofmitochondrialtransmembranepotential(△Ψm)wereconductedonHRPEandHRECsafterinitialuptakeofthetwodrugs.·RESULTS:Bothphotosensitizersdemonstratedanimprove-mentofvascularleakageandclosureofCNV1weekafterPDTasconfirmedbyfundusimage,OCT,FFAandTEM.TwoweeksafterPDT,G1-ZnPc(COOH)8/mshowedabetterCNVclosureeffectversusG1-ZnPc(COOH)8(P<0.05).Asignificantdifference(P<0.01)wasfoundinuptakeofthetwodrugsinHRPEandHRECs,withnodifferencebetweenthedrugs(P>0.05).BothphotosensitizersshowedcytotoxicityonHRPE,butG1-ZnPc(COOH)8/minducedalowercellviability.·CONCLUSION:G1-ZnPc(COOH)8/mmediatedPDTisbetterthanG1-ZnPc(COOH)8inCNVclosureandalsohavetheadvantageoffastmetabolismleadingtolesssideeffect.·

  • 标签: PHTHALOCYANINE carrier nanoparticles photo-dynamic treatment RETINA
  • 简介:<正>上海医科大学眼耳鼻喉科医院眼科主办继续医学教育项目"青光眼诊治进展"学习班于1999.12.19~12.25在上海举办,来自贵州、广西、四川、浙江、江苏、福建、山东、辽宁、宁夏、湖北、上海等11个省、市自治区、直辖市62名眼科医生正式注册参加了学习学习班内容丰富,不但有青光眼常规药物、手术治疗原则、技巧,术中、术后并发症防治,用于青光眼诊断及随访各种新型检测技术及仪器介绍,青光眼药物治

  • 标签: 青光眼 诊治进展 学习班 继续医学教育项目 手术治疗 内容丰富
  • 简介:由海军总医院全军耳鼻咽喉头颈外科中心主办激光技术在耳鼻咽喉微创外科中应用学习班将于2009年9月1-4日在河南省焦作市举行。该学习班为国家级继续医学教育项目(编号:2009-07-01-083),授予Ⅰ类继续医学教育学分8分。联系方式:北京市海淀区阜成路6号海军总医院全军耳鼻咽喉头颈外科中心;

  • 标签: 耳鼻咽喉头颈外科 微创外科 激光技术 学习班 国家级继续医学教育项目 海军总医院
  • 简介:AIM:Todeterminethehistopathologicalchangesofrifampicinappliedintravitreallyonretinalganglioncellsbymeansofstereologicalandhistopathologicalmethods.METHODS:Forthisstudytwenty-fourNewZealandadultrabbitsweredividedintofourgroups(n=6foreachgroup).50μg/0.1mL(group1),100μg/0.1mL(group2),150μg/0.1mL(group3)and200μg/0.1mL(group4),rifampicinwereinjectedintothevitreousoftherighteyesofanimals,theirlefteyeswereusedascontrol(group5).Afterthe28thdayofapplication,animalswereanesthetisedwithxylazine(8mg/kg,IM)andthentheireyeswereenucleatedimmediately.Patternsweretakenawayandeyeswerepreparedforbothstereologicalandelectromicroscopicobservation.RESULTS:Dependingonthehighdoseofrifampicin,somehistopathologicalchangessuchascytoplasmicdilatationanddamagedmembranewereobservedontheelectromicroscopiclevel.Usingquantitativeexamination,whichwasdoneatthelightmicroscopiclevel,itwasshownthatthenumberofneuronsdecreasedlinearlyasrifampicindoseincreasedwhencomparedwiththecontrolgroup.CONCLUSION:Basedonthesefindings,low-doserifampicin(50μg/0.1mL)maybeusefulfortreatmentoftheoculardiseases.

  • 标签: RIFAMPICIN STEREOLOGY HISTOPATHOLOGY GANGLION cells
  • 简介:AIM:Toadaptthelowvision-relatedqualityoflife(LVQOL)instrumentintoTurkishlanguageandtoassessitsvalidityandreliability.METHODS:Thestudywasconductedin387patientsattendingtheCentreofLowVisionRehabilitation,FacultyofMedicine,AnkaraUniversity.Forstatisticalanalyses,theSpearman’scorrelationcoefficient,Cronbach’salphacoefficientandConfirmatoryFactorAnalysis(CFA)wereused.RESULTS:AccordingtoresultsofCFA,theiteminthe'Adjustment'subscalebecauseofhavingthefactorloadingbelow0.40,wasexcludedfromthequestionnaire.ThereliabilityofthequestionnairewasassessedaccordingtoCronbach’salphacoefficients.Thereliabilityofthe'DistanceVision,Mobility,andLighting'subscalewas?琢=0.863;ofthe'Adjustment'subscalewas?琢=0.694;'ReadingandFineWork'was?琢=0.791,and'ActivitiesofDailyLiving'was?琢=0.770.Sotheseresultsindicatethatthequestionnaireisreliabletomeasurethevisionrelatedqualityoflifeoflow-visionpatients.Thecorrelationsbetweenthesubscaleswerealsoanalyzed,andthecorrelationbetween'Adjustment'and'ReadingandFineWork'wasfoundtobethelowest(rs=0.336,P<0.001),whereasthestrongestcorrelationwasfoundbetweenthe'ReadingandFineWork',and'ActivitiesofDailyLiving'.Additionally,the'Adjustment'dimensionshowedthestrongestcorrelationwithonly'DistanceVision,Mobility,andLighting'dimension.CONCLUSION:Afterremovingthelastitemintheseconddimension,theTurkishadaptationofalldimensionsoftheLVQOLhasbeenshowntobereliable,validandsuitableforuseinpatientswithlowvisioninTurkey.

  • 标签: LOW vision-related quality of life TURKISH
  • 简介:目的观察初学者学习0.7毫米微创白内障手术改良法临床效果。方法随机选取门诊和住院白内障患者50人,由初学者在老师指导下应用0.7毫米微创白内障手术改良法施行手术。研究内容包括手术时间,术中灌注液应用量,术中并发症等。结果手术时间随着学习进程总体呈下降趋势,从开始10例平均时间61分22秒下降到第5个10例18分54秒。特别是30例后下降明显。共7例9次并发症发生。第4例出现后囊破裂,未行玻璃体切割情况下成功植入人工晶状体于睫状沟内。前10例中共有2例,第2和4个10例中各1例术中角膜上皮水肿。另外还有1例发生后弹力层撕裂,两例切口撕裂,1例结膜水肿。结论经过短期0.7毫米微创白内障手术改良法训练,初学者可从传统同轴超声乳化安全转换至0.7毫米微创白内障手术。

  • 标签: 微创白内障手术 双手超声乳化 同轴超声乳化
  • 简介:·AIM:Toinvestigatetheantifibroticeffectoffreeze-driedbilayeredfibrin-bindingamnioticmembraneontrabeculectomyinarabbitmodel.·METHODS:Twenty-fourJapanesewhiterabbitswererandomizedintothreegroups:theexperimentalgroup(oculartrabeculectomyincombinationwithfreeze-driedbilayeredfibrin-bindingamnioticmembranetransplantation),thecontrolgroup(oculartrabeculectomyincombinationwithnaturalbilayeredfibrin-bindingamnioticmembrane)andtheblankgroup(singletrabeculectomy).Clinicalobservation,hematoxylin-eosinstaining,Massionstaining,real-timePCRandimmunohistochemistryforα-SMAwereperformedondays7,14,21and30followingsurgery.·RESULTS:Statisticaldifferenceswerenotedinsurvivalanalysisandintraocularpressure(IOP)amonggroupsondays7,14,21and30followingsurgery.Histology,immunoh-istochemistryandreal-timePCRfurtherdemonstratedthattrabeculectomyincombinationwithfreeze-driedbilayeredfibrin-bindingamnioticmembraneresultedingoodwoundhealingandnoscarformation.·CONCLUSION:Self-madefreeze-driedbilayeredfibrin-bindingamnioticmembranemayinhibittheformationofscarringinglaucomaaftertrabeculectomy.·

  • 标签: FREEZE-DRIED fibrin-binding amniotic MEMBRANE TRABECULECTOMY
  • 简介:AIM:ToevaluatetheeffectofCollagencross-linkingonthepreventionofmeltinginrabbitcorneasafteralkaliburn.·METHODS:TwentyNewZealandwhiterabbitswererandomlydividedintomodelcontrolgroupandcollagencross-linkingtreatmentgroup.Thesecondgroupofrabbitsreceivedcollagencrosslinkedtreatment.Bothgroupswereappliedwithantibioticeyedropstopreventinfection.Thecorneaswereevaluatedformelting,opacity,pathologicalandimmunohistochemistry,recordthechangeswhen28daysaftertheanimalswerekilled.·RESULTS:Inthecontrolgroup,6outof8rabbitsshowedcornealmeltingafterinjury(14±4)days,whiletwocornealperforated.Incollagencross-linkingtreatmentgroup,onerabbitshowedcornealmeltingafterinjury23days,withoutcornealperforation;cornealdissolutionratebetweenthetwogroupswassignificantlydifferent(P<0.05).Pathologicalexaminationsuggestedthatinthetreatmentgroup,mildcornealedema,milddamagetocollagenfibers,inflammatorycellinfiltrationwassignificantlylessthanthecontrolgroup.Immunohistochemistryshowedthatcornealcollagenfibersarrangedinneatrowsinthecontrolgroup.·CONCLUSION:Collagencross-linkingtreatmentnotonlycanpreventanddelaythecornealmeltingafteralkaliburn,butalsocanreducethedestructionofcornealcollagenfibersandinfiltrationofinflammatorycellsinthecornealtissue.

  • 标签: COLLAGEN cross-linking CORNEAL ALKALI BURN CORNEAL
  • 简介:目的探讨缩短小切口非超乳白内障摘除人工晶体晶植人术学习曲线途径.方法对2006年萧县彭年光明行动中完成29例小切口非超乳白内障摘除人工晶体晶植入术病例进行回顾性分析.结果通过最先完成17例小切口非超乳白内障摘除人工晶体晶植入术部分手术操作步骤,循序渐进最后独立完成12例小切口非超乳白内障摘除人工晶体晶植入术全部操作步骤.结论熟练掌握白内障囊外摘除+人工晶体植入技术,是缩短小切口非超乳白内障摘除+IOL植入学习曲线关键因素.

  • 标签: 缩短 小切口非超乳白内障摘除 学习曲线
  • 简介:AIM:Toexploretheeffectofsaturatedhydrogensalineonbluelight-inducedretinaldamageinrats.·METHODS:Theretinaldamageofratswasinducedbybluelightexposurefor6hoursandexamined8hours,16hoursand24hoursaftertheexposure.OnehundredfemaleSprague-Dawleyratswererandomlydividedintofourgroups.Group1included30ratsreceivedlightexposurewithoutanyothertreatment.Group2included30ratsreceivedlightexposurewithintraperitonealinjectionofnormalsaline.Group3included30ratsreceivedlightexposurewithintraperitonealinjectionofsaturatedhydrogensaline.AndGroup4includedtheother10ratswhichdidnotreceiveanytreatment.Theamountofintraperitonealinjectionofsaturatedhydrogensalineandnormalsalinewascalculatedintheratioof1ml/100gofratweight.SpecimenswerecollectedandprocessedbyH-Estaining,ultrastructureobservation,biochemicalmeasurement.Morphologicalchangeswereobservedbylightmicroscopeandtransmissionelectronmicroscope(TEM)andtheretinalouternuclearlayer(ONL)thicknesswasmeasuredbyIPP6.0,whilethemalondialdehyde(MDA)wasmeasuredbycolorimetricdeterminationat532nm.·RESULTS:AlthoughthestructureofretinainGroup1andGroup2wasinjuredheavily,theinjuryinGroup3wasmild.ThedifferencesbetweenGroup1andGroup2werenotsignificant.ComparedwiththeratsinGroup1andGroup2,theonesinGroup3hadmoreclearlydemarcatedretinastructureandmoreorderedcellsbylightmicroscopeandTEMobservation.TheONLthicknesses(400times)offourgroupsateachtimepointexceptbetweenGroup1andGroup2weresignificantlydifferent(P<0.05).ThethicknessesoftheONLinGroup1atthreetimepointswere30.41±4.04μm,26.11±2.82μmand20.63±1.06μm,inGroup2were31.62±4.54μm,25.08±3.63μmand19.07±3.86μm,inGroup3were29.75±3.62μm,28.83±1.97μmand27.61±1.83μm.InGroup4themeanofthethicknesswas37.35±1.37μm.Astimewentby,thedamageg

  • 标签: RETINA hydrogen ANTIOXIDANTS PHOTOTOXICITY DOI.3980/j.issn.2222-3959.2012.02.07
  • 简介:AIM:Anaerobicbacteriacancauseocularinfections.WetestedtheOxyPlateTMAnaerobicSystem(OXY)toisolatepertinentanaerobicbacteriathatcancauseoculardisease.METHODS:OXY,whichdoesnotrequiredirectanaerobicconditions(i.e.bags,jars),wascomparedtoconventionalisolationofincubatingculturemediainanaerobicbags.Standardcoloniescountswereperformedonanaerobicocularbacterialisolatesunderaerobicandanaerobicconditions(anaerobicbags)usingagarmedia:1)OXY(aerobiconly),2)5%sheepblood(SB),3)Chocolate,and4)Schaedler.Thebacteriatestedwerede-identifiedocularisolatesculturedfromendophthalmitisanddacryocystitisthatinclude10Propionibacteriumacnesand3Actinomycesspecies.Thecolonycountsforeachbacteriaisolate,oneachculturingcondition,wererankedfromlargesttosmallest,andnon-parametricallycomparedtodeterminethebestculturingcondition.RESULTS:Allanaerobicconditionswerepositiveforalloftheanaerobicisolates.SBandSchaedler’sagarunderaerobicconditionsdidnotsupportthegrowthofanaerobicbacteria.SparsegrowthwasnotedonchocolateagarwithPropionibacteriumacnes.Asananaerobicsystem,SBinananaerobicbagisolatedhighercolonycountsthanOXY(P=0.0028)andchocolateagar(P=0.0028).CONCLUSION:AlthoughOXYdidnottesttobemoreefficientthanotheranaerobicsystems,itappearstobeareasonablealternativeforisolatinganaerobicbacteriafromocularsites.Theuseofanagarmediuminaspeciallydesignedplate,withouttherequirementofananaerobicbag,renderedOXYasanadvantageoverotheranaerobicsystems.

  • 标签: ANAEROBIC BACTERIA BACTERIAL isolation ENDOPHTHALMITIS DACRYOCYSTITIS
  • 简介:AIM:TodiscusstheimpactofLyciumBarbarumPolysaccharide(LBP)andDanshensupurifiedfromTraditionalChineseMedicine(TCM)onvascularendothelialgrowthfactor(VEGF)ofrabbitswithretinalneovascularization.METHODS:Fortyrabbitsweredividedintonormalcontrolgroup,modelcontrolgroup,LBPgroupandDanshensugroup.Animalsinthenormalcontrolgroupwerefedinthenormaloxygenenvironment.Animalsintheotherthreegroupswereputintotheenvironmentwith70%oxygenfor5daysinordertobuildthemodelofoxygen-inducedvascularproliferationretinopathy.AndthendifferentTCMextractwasinjectedintotheabdominalcavitiesoftheseannimals.After7days,theVEGFcontentofintheserumofrabbitwasmeasuredbydoubleantibodysandwichmethod.RESULTS:DataanalysisindicatedthatVEGFcontentwasasfollows:Danshensugroupwaslowerthanmodelcontrolgroup(12.92±3.84ng/Lvs19.32±4.15ng/L,P<0.05);LBPgroupandnormalcontrolgroupwerelowerthanmodelcontrolgroup(12.92±3.84ng/L,9.26±1.61ng/Lvs19.32±4.15ng/L,P<0.01);totalbloodviscosity,plasmaviscosity,cholesterolcontent,fibrinogencontentandtriacylglycerolcontentafterperitonealinjectionofLBPandDanshensuwereobviouslylowerthanbeforeinjection.CONCLUSION:TCMextract-LBPandDanshensucanprominentlyreducethecontentofVEGFintheprocessofvascularproliferativeretinopathyofrabbit;canpreventtheoccurrenceofretinalmicrovasculardiseasebyimprovingpartialoxygen-deficientenvironmentoraffectingallkindsofnewgrowthfactor.

  • 标签: LYCIUM Barbarum POLYSACCHARIDE Dan-shensu vascular ENDOTHELIAL
  • 简介:AIM:TopresenttheresultsofimplantationofIakymenkokeratoprosthesisinfivepatientswithvascularizedcornealleukomacausedbysevereocularinjury.·METHODS:Iakymenkokeratoprosthesiswasimplantedinto5eyesof5patients:4patientsweresufferedfromchemicalburnsand1patientfromexplosiveinjury.Thepreoperativevisualacuityrangedfromlightperceptiontohandmotion.Theimplantationsurgerywascomposedoftwo-stageprocedures.Thefollow-upperiodwasfrom9monthsto11years.Theoutcomemeasureswerevisualacuity,retention,andcomplicationsofthekeratoprosthesis.·RESULTS:Visionimprovementswereachievedinmostpatients.Allkeratoprosthesiswereretainedwithinthefollow-upperiod.Cornealmeltingoccurredinonepatientandfibrousclosureinanotherpatient,bothofwhichweresuccessfullytreated.Retinaldetachmentoccurredinonepatientaftersurgery.·CONCLUSION:Iakymenkokeratoprosthesisseemstobeapromisingalternativeforthepatientswithseverecornealinjury,butfurtherinvestigationisneededtoevaluatetheroleofIakymenkokeratoprosthesis.

  • 标签: Iakymenko KERATOPROSTHESIS VISUAL REHABILITATION COMPLICATIONS
  • 简介:AIM:Toinvestigatethefrequencyofidiopathicphacodonesis(IP)insenilecataractsubjectsandtheshort-termclinicaloutcomesfollowingcataractsurgery.METHODS:Thisinstitutionalcase-controlstudyincluded1301consecutivelow-incomecataractsubjectsfromJunetoNovember2009.Anteriorsegmentwerecarefullyevaluatedwithdilatedpupilunderslit-lamp.IPwerescreenedandgradedbyacriteriasetbytheauthors.Riskfactors,surgicaloutcomes,andoperativecomplicationswereanalyzed.RESULTS:Atotalof42subjects(3.2%)withIPwerediagnosedandclassifiedasgrade1(36subjects),grade2(5subjects)andgrade3(1subject).HarderlensesandintumescentcataractswereobservedintheIPgroupthanthecontrolgroup(P<0.05).Logisticsregressiontestalsoindicatedthemainriskfactorwasthehardnessofthelens.Theincidenceofzonulardialysisduringsurgerywas23.8%(10eyes),whichwassignificantlyhigherthanthecontrols(0.7%,P<0.001).Visualoutcomesofthetwogroupswerenotstatisticallyorclinicallysignificant.CONCLUSION:HardnucleusandintumescentcataractarerelatedtoIPinsenilecataractsubjectsinQinghai,China.Withmorecarebeingtaken,grade1andsomeofthegrade2IPsubjectsachievedsimilarsurgicaloutcomesascomparedtocontrols.

  • 标签: phacodonesis LENS NUCLEUS zonular DIALYSIS
  • 简介:<正>DirSir,IamdoctorGuo-YuanYang,fromtheDepartmentofOphthalmologyofWestChinaHospitalofSichuanUniversityinChengdu,SichuanProvince,China.Iwritetopresentacasereportofposteriorlentiglobuswithcataract.

  • 标签:
  • 简介:AIM:Toevaluatechangesintheanteriorchamberdepth(ACD),crystallinelensthickness(LT)anditsrefractivepowerafterlaserinsitukeratomileusis(LASIK).·METHODS:Inallcases,thepreoperativeandpostoperativecentralACDwhichweremeasuredwithPentacam,Orbscan,IOL-MasterandA-scanultrasonography,centralcornealtruenetpowerwhichwasmeasuredwiththePentacam,OrbscanandIOL-Master,axiallength(AL)whichwasmeasuredwithIOL-MasterandLTwhichwasmeasuredwiththeA-scanultrasonographywerecomparedusingthepairedsamplettest.OcularrefractiveerrorsandlensrefractivepoweratcornealplanewerecalculatedandtheircorrelationswerealsoevaluatedbeforeandafterLASIK.RESULTS:At1weekafterLASIK,LTandcrystallinelensrefractivepoweratcornealplane(Dlens)whichwereassociatedwiththeIOL-MasterandPentacamincreasedsignificantly(P≤0.005),ACDdecreasedsignificantly(P≤0.001),butnosignificantincreasewasobservedintheDlenswhichwasassociatedwiththeOrbscan(P=0.261).SignificantcorrelationsbetweenthechangesintheocularrefractiveerrorsandDlenswhichwereassociatedwiththePentacamwereobservedat1weekand6monthsafterLASIK(P=0.028;P=0.001).CONCLUSION:LTincreasedsignificantlyafterLASIK,andthismightpartiallyleadtoACDdecrease,Dlensincreaseandasmallquantityofmyopicregression.

  • 标签: ANTERIOR CHAMBER depth CRYSTALLINE LENS thickness
  • 简介:AIM:ToexploretheinhibitoryeffectofasustainedcyclosporinA(CsA)deliverymicrosphere(CsA-MS)onposteriorcapsularopacification(PCO)inrabbiteyesaftercataractextraction.·METHODS:TwentyNewZealandwhiterabbitsacceptedcataractextractionplusintraocularlensimplantationandtheirlefteyeswereintraoperativelyinjectedCsA-MSpreparedusingpolymerpolylactioglycolicacid(PLGA)asacarrierandtheirrighteyeswereinjectedwithemptyMS.Thechangesincornea,anteriorchamberreaction,intraocularpressure,PCOandCsAconcentrationinaqueoushumorwereexaminedpostoperativelyandalltheeyeswereenucleated3monthsaftersurgeryforhistopathologicalandmorphologicalexaminationwithlightmicroscopyandelectronmicroscopy.·RESULTS:Conjunctivalhyperemia,cornealedema,intraocularpressureandanteriorchamberresponseofexperimentalandcontroleyesweresimilar,whilePCOinCsAMSinjectedeyeswasgreatlyimprovedcomparedwiththatincontroleyes.PosteriorcapsulesinCsA-MSinjectedeyesweresmoothandlensepithelialcells(LEC)didnotproliferatesignificantly(P>0.05),whileLECinposteriorcapsuleofcontroleyeshaddifferentdegreesofproliferationandcorticalregeneration.LECinCsA-MSinjectedeyeswerenotfunctionallyactiveandunderwentapoptosis,whereasLECincontroleyeswerefunctionallyactive(F-test,P=0.025).Inaddition,thecornealultrastructureshowednodifferencesbetweenCsA-MSandMSinjectedeyes.CONCLUSION:CsA-MShashighbioavailabilityinrabbiteyesandcouldinhibitpostoperativePCOoccurrenceanddevelopmentduringthestudyperiod,suggestingthatCsA-MSmaybeapromising,effectiveandsafeadministrationroutetopreventPCOinclinic.

  • 标签: SUSTAINED CYCLOSPORINE A delivery mic-rosphere POSTERIOR
  • 简介:AIM:Toinvestigatetheefficacyofnon-buckledvitrectomywithclassicalendotamponadeagentsinthetreatmentofprimaryretinaldetachment(RD)complicatedbyinferiorbreaksandproliferativevitreoretinophathy(PVR).METHODS:Aretrospective,consecutiveandcaseseriesstudyof40patientswithinferiorbreakRDandPVR≥C1wasconducted.Allpatientsunderwentastandard3-port20-gaugeparsplanavitrectomy(PPV)withgasorsiliconeoiltamponadewithoutsupplementaryscleralbuckling.Thevitreousandallproliferativemembranewerecompletelyremoved,andretinectomywasperformedwhennecessary.Themeanfollow-upwas12.5months.Theprimaryandfinalanatomicsuccessrate,visualacuityandcomplicationswererecordedandanalyzed.RESULTS:Primaryanatomicsuccessratewasachievedin35of40eyes(87.5%)andthefinalanatomicsuccessratewas100%.ThemostcommoncauseofredetachmentwasrecurrentPVR.Thebest-correctedvisualacuity(BCVA)atfinalfollow-upwasimprovedin34eyes(85%),remainedstablein1eye(2.5%),andworsenedin5eyes(12.5%).Themeanvisualacuityatfinalfollow-upwasimprovedsignificantly(P=0.000).CONCLUSION:ThisretrospectivestudyprovidesevidencethatvitrectomywithoutscleralbucklingseemedtobeaneffectivetreatmentforinferiorbreakRDwithPVR.Withcompleteremovalofvitreousandproliferativemembranesandtimingofretinectomy,theinferiorbreakswhichcomplicatedwithPVRcouldbeclosedsuccessfullywithoutadditionalscleralbuckling.

  • 标签: RETINAL DETACHMENT INFERIOR RETINAL BREAK PROLIFERATIVE