微脉冲激光及传统激光治疗糖尿病黄斑水肿疗效的比较

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1、万方数据中文摘要疗效，视网膜平均光敏感度万方数据英文摘要Comparisonoftherapeuticeffectofmicro—pulselaserandconventionallaserondiabeticmacularedemaABSTRACT0bjective：Thediabeticmacularedema(DME)iSonethemaincausesofvisualimpairmentamongpatientswithdiabetesmellitusandmaydevelopatanystagesofdiabeticretinopat

2、hy．ThetherapeuticmethodsforDMEmainlyincludelasertherapy,intravitrealinjectionandvitrectomy,ofwhich，lasertherapyisthemostclassicandthemostcommonlyusedmethod．Althoughlasertherapyeffectivelyreducestheriskofvisualdeterioration，itsfundamentalmechanismcausesdamagestoretinalstructu

3、re．Conventionallasertherapycausesgreatdamagetoretina，andevenifmacularedemadisappears，thescarformedbylasermayaffectvisualfunction．Withthecontinuousdevelopmentandimprovementoflasertechnology,micro—pulselasertechnologyisdevelopedinrecentyears，whichischaracterizedbylowdamagetore

4、tina，novisiblelaserspotandsmallharmtovisualfunction．Inthisstudy,changesinbestcorrectedvisualacuity(BCVA)，centralmacularthickness(CMT)andmeansensitivity(MS)beforeandafterdifferentlasertherapiesareobserved，andthetherapeuticeffectofmicro—pulselaser，single—spotlaserandpattemSCan

5、laseronDMEiSassessedcomprehensively．Method：120eyesof60patientswhowereconfirmedaspreproliferativediabeticretinopathyorIVphaseproliferativediabeticretinopathybyfluoresceinfundusangiography(FFA)andopticalcoherencetomography(OCT)，complicatedwithclinicallysignificantmacularedemaa

6、ndhadBCVAlowerthan0．4wereincluded．Thesepatientswererandomizedintothemicro’pulsegroup，thesingle—spotlasergroupandthepattemscanlasergroup．40eyesof20patientsinthemicro-pulsegroupwereunderwent577mumicro—pulselasertherapyinmacularregionwiththedutycycleof15％；40eyesof20patientsinth

7、esingle—spotlasergroupwereunderwentmacularlasergirdphotocoagulationtherapyby577nmsingle—spotlaserinmacular正万方数据英文摘要regionwiththeexposuretimeof0．15s，40eyes20patientsinthepatternscanlasergroupwereunderwentmacularlasergirdphotocoagulationtherapyby577mpattemSCanlaserinmacularreg

8、ionwiththeexposuretimeofO．02s．2weeksafterthelasertherapyinmacularregion，all