简介:目的通过对白内障复明手术500例术后的早期观察,分析大规模短时间集中开展白内障手术的方法.方法经过病人的组织筛选、手术对象的确定、严格的术前检查,确定500例适合手术的白内障病人,视力在0.1以下,无全身及眼部手术禁忌症,采取小切口白内障手术方式.结果术后第一天裸眼视力≥0.3的245例,<0.3而≥0.05的210例,<0.05的45例.术中术后主要并发症有角膜水肿、玻璃体脱出、虹膜损伤和前房出血等,无其他严重并发症.结论大规模短时间集中开展白内障手术,要有政府重视、严格的术前检查、先进的手术方式、严格的术后观察和相应的术后处理,重视每个环节,才能确保手术的成功.并应注重远期随访.
简介:AIM:Toinvestigatetheexpressionofdendriticcell-associatedC-typelectin-1(dectin-1)attheearlyperiodofAspergillusfumigatusinfectioninrat’scornealepithelium.·METHODS:Atotalof72Wistarratswererandomlydividedintothreegroups:A,BandC.Therighteyeswerechosenasexperimentaleyes.GroupAwascontrolgroup.RatsingroupBwerenotinoculatedwithAspergillusfumigatus.GroupCwastakenasAspergillusfumigatuskeratitismodel.RatsingroupBandC(sixfromeachgroup)wereexecutedrandomlyat4,8,16and24hoursafterexperimentalmodelbeingestablishedtoassesstheexpressionofdectin-1mRNAthroughreal-timePCR.AnothersixratsingroupBandCwereexecutedrandomlyat24hourstoassesstheexpressionofdectin-1proteinthroughimmunohistochemistry.·RESULTS:Theresultsofreal-timePCRindicatedthatdectin-1mRNAexpressionwaslowincornealepitheliumofnormalrats’.Therewasnosignificantlydifferenceofdectin-1mRNAexpressioningroupAandB(P>0.05).TheexpressionofAspergillusfumigatusinfectedcornealepitheliumincreasedgraduallyafter8hoursingroupC.ThesynchronousexpressionofgroupAandChadsignificantdifference(P<0.01).Immunohistochemistydiscoveredthatdectin-1receptorexistedinnormalrat’scornealepithelium.Dectin-1proteinincreasedafter24hoursingroupC.TherewasasignificantdifferenceofsynchronousexpressioningroupBandC(P<0.01).·CONCLUSION:Dectin-1existsinrat’scornealepitheliumanditsexpressionsignificantlyincreasesattheearlyperiodofAspergillusfumigatusinfection.Dectin-1isapatternrecognitionreceptorthatexpressesincornealepitheliumandinvolvesinimmuneresponsetoAspergillusfungalkeratitis.