学科分类
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2 个结果
  • 简介:AIM:Topresentretinalmicrostructure,metabolismandfunctionabnormalitiesinthecourseofmultipleevanescentwhitedotsyndrome(MEWDS)byHeidelbergspectralismodalityimagingplatformandobserveitsoutcomebyEDI-SD-OCTandtwowavelengthautofluorescence.METHODS:Acaseofmultipleevanescentwhitedotsyndromeina23-year-oldfemalepresentedinitiallywitha15-dayhistoryoffloatersandacentralscotomaintherighteye.Toestablishthediagnosis,multimodalityimagingwasperformed,namely,bluelight-fundusautofluorescence(BL-FAF,excitation488nm,emission>500nm),near-infraredfundusautofluorescence(NIR-FAF,excitation787nm,emission>800nm)usingaconfocalscanninglaserophthalmoscope,fundusfluoresceinangiography(FFA),indocyaninegreenangiography(ICGA),spectrum-domainenhancedepthimagingopticalcoherencetomography(SD-EDI-OCT),multifocalelectroretinography(mf-ERG)andfundusphotograghwereperformedandfollowedupattheeighthmonthafterinitiallyvisiting.RESULTS:Opticalcoherencetomography(OCT)showedatransientdisruptionofthefovealphotoreceptoroutersegmentsincorrespondencetofovealgranularity.NIR-FAFshowedhypoautofluorescentareas,≤40μminsize,mostlyconcentratedaroundtheposteriorpoleanditstemporalsidelessthanthatinBL-FAF.Mf-ERGshowpinnacledisappearedinfoveaandmaculaandresponsesdecreasedmarkedlycomparedwiththefolloweye.Attheeighthmonthfollowup,hyperfluorescenceinBL-FAFweredisappear,while,NIR-FAFHypofluorescentspotsinearlystageofsuchlesionwerereduced.ButOCTdemonstratedthestructurewasrecoveredinresidualHypofluorescentareainNIR-FAF.Thesubfovealchoroidalthicknesswasdecreasedfrom372μmto307μmslightlyandcostlinewasrecovered.CONCLUSION:MEWDSisabenignself-healingdiseaseandthereisnopathologicalevidencetoinvestigatethenaturalcourseofsuchdisease.SD-OCTallowshighlydetailedimagesapproachinghistopathologytocertifythemicrostructura

  • 标签: MEWDS Spectralis OCT NIR-FAF BL-FAF mf-ERG
  • 简介:目的:通过对视网膜脱离患者术前、术后的血流动力学研究及视网膜功能的了解,判断视网膜脱离患者的术后恢复情况,并探讨两种检测方法的临床价值。方法:对我院62例孔源性视网膜脱离患者,通过彩色多普勒(CDI)检测视网膜中央动脉(CRA)的收缩期峰值流速(Vmax)、舒张末期流速(Vmin)、阻力指数(RI);焦视网膜电图(mfERG)分别对视网膜脱离患者的术前、术后进行检测,并以对侧正常眼作对照组。结果:CDI术前患眼与对照眼的CRA各项指标比较,差异无统计学意义。术后2wk视网膜脱离眼CRA的Vmax,Vmin均较术前降低,RI增高,差异有统计学意义(P〈0.05)。视网膜脱离术后患者脱离区mfERG的a波、b波振幅密度均明显高于术前,潜伏期比手术前明显缩短,有统计学意义(P〈0.05)。结论:通过mfERG,CDI的联合检测能及时了解视网膜脱离术后的视网膜复位情况及硅胶海绵垫压后CRA的血流情况,从而避免视网膜脱离术后视网膜部分复位不良,巩膜因缺血引起局部坏死等情况发生。

  • 标签: 多焦视网膜电图 彩色多普勒 视网膜脱离