简介:目的探讨OSA-18量表评价儿童睡眠呼吸紊乱严重程度的价值。方法我科收治的疑似阻塞性睡眠呼吸暂停低通气综合征(obstructivesleepapneahypopneasyndrome,OSAHS)儿童患者160例,均行多道睡眠描记术(polysomnography,PSG)监测。采用OSA-18评估患儿的生活质量。分析确诊为OSAHS患儿的呼吸暂停低通气指数(apneahypopneaindex,AHI)和最低血氧饱和度(10westoxygensaturation,LSaO2)与OSA-18评分的相关性。结果确诊OSAHS患者123例,单纯鼾症37例。OSAHS患者的OSA-18评分与AHI及LSaO2的相关系数分别为0.615和-0.496,P〈0.05。单纯鼾症及轻中度OSAHS患者各组间OSA-18中位数差异有统计学意义(P〈0.05);重度OSAHS患者OSA-18中位数为91.0,高于单纯鼾症及轻、中度OSAHS患者(OSA-18评分依次为64.0、76.0和87.0,P〈0.05)。以LSaO2为依据对OSAHS患者进行分组,发现无低氧血症组及轻、中度低氧血症患者各组间OSA-18中位数差异有统计学意义(P〈0.05),重度低氧血症患者OSA-18中位数为93.0,高于无低氧血症组及轻、中度低氧血症患者(OSA-18评分依次为69.0、81.0和89.0,P〈0.05)。结论OSA-18评分与PSG存在相关关系,在不同程度睡眠呼吸紊乱中有差异,可作为临床诊断儿童OSAHS的评价指标。(中国眼耳鼻喉科杂志,2011,11:19-21)
简介:目的:评价羊膜移植几种手术方法治疗大泡性角膜病变的临床效果。方法:对18例大泡性角膜病变患者,分别采取角膜层间烧烙术、新鲜羊膜移植术、角膜灼烙联合羊膜嵌入移植手术。结果:18例大泡性角膜病变患者,术后1~5d疼痛消失,7~12d角膜上皮修复,7~21d后羊膜植片常规溶解。角膜层间烧烙术1眼、新鲜羊膜移植术3眼术后1~2mo再次出现角膜大泡及角膜刺激症状而再次手术。角膜灼烙联合羊膜嵌入移植术,术后当天疼痛消失,14d角膜上皮光滑,角膜大泡消失。随访6~18mo无1例复发,部分患者视力有不同程度的提高。结论:角膜灼烙联合羊膜嵌入移植对大泡性角膜病变具有明显的治疗效果.
简介:目的:观察tumstatin肽对体外培养的视网膜微血管内皮细胞迁移及P38MAPK蛋白表达的影响,初步探讨tumstatin肽抗视网膜内皮细胞迁移的机制。方法:采用细胞划痕实验测定tumstatin肽(T8肽)对血管内皮生长因子(VEGF)诱导下RF/6A细胞(恒河猴视网膜微血管内皮细胞)迁移的影响;Westernblotting检测T8肽对VEGF刺激后15,30,45,60min的RF/6A细胞P38MAPK蛋白水平的变化。结果:Tumstatin肽对RF/6A细胞迁移具有抑制作用,且可抑制VEGF对RF/6A细胞的促迁移作用,呈剂量依赖性。正常情况下,RF/6A细胞无P38MAPK蛋白的表达,但VEGF可诱导其表达P38MAPK蛋白,而tumstatin可抑制VEGF诱导的RF/6A细胞P38MAPK蛋白的表达(加入20mg/LT8肽30,45,60min时蛋白表达受到显著抑制,差异有显著性意义,P〈0.01)。结论:Tumstatin抑制视网膜微血管内皮细胞的迁移,其作用可能与P38MAPK通路有关。
简介:目的:探讨眼附属器B细胞非霍杰金淋巴瘤(B—cellnon-Hodgkinlymphoma,NHL)中Skp2,p27和PTEN的表达。方法:收集1995年到2011年青岛大学附属医院眼科石蜡包埋标本,用免疫组化法分别检测眼附属器B细胞NHL(n=30)标本中Skp2,p27和PTEN的表达,以眼部反应性淋巴组织增生(n=10)作为对照组。以患者的年龄、性别、发病部位,病理类型作为眼附属器B细胞NHL的的分类标准。结果:Skp2,p27和PTEN的表达与患者的年龄、性别、发病部位无关,而与病例类型有关。眼附属器B细胞NHLSkp2表达率与眼部反应性淋巴组织增生相比显著增高。p27,PTEN表达率与反应性淋巴组织增生相比显著降低。随眼附属器B细胞NHL病理分级的提高,Skp2的表达显著增高,p27和PTEN的表达显著降低。在黏膜相关淋巴组织结(mucosa—associatedlymphoidtissue,MALT)外边缘区B细胞淋巴瘤(diffuselargeB—celllymphoma,DLBCL)中,Skp2分别与p27,VFEN成负相关,p27和PTEN成正相关。结论:Skp2的表达升高,p27,PTEN蛋白的缺失以及可能与眼附属器B细胞NHL的发生有关;其中在MALT外边缘区DLBCL中,三种蛋白存在相关性。联合三种蛋白的检测眼附属器B细胞NHL的不同病理类型有重要意义。
简介:AIM:Toinvestigatethelevelsofserumsolubleintercellularadhesionmolecules-1(sICAM-1)andneutrophilicexpressionofCD18inpatientswithvariousstagesofdiabeticretinopathyandtodeterminetheirdifferentexpressionpatterninthedevelopmentofdiabeticretinopathy(DR).·METHODS:LevelsofserumsICAM-1andCD18onthesurfaceofneutrophileweremeasuredin41DRpatients,theywereclassifiedinthreesubgroupsaccordingtothestageofretinopathyasdeterminedbyfund’sophthalmoscopy;10controlsubjectswerealsostudied.sICAM-1weremeasuredbyenzyme-linkedimmunosorbentassayandCD18byflowcytometry.·RESULTS:TheneutrophilicCD18expressionandserumsICAM-1levelwereallsignificantlyelevatedinalldiabeticsubgroupscomparedtocontrolsubjects(P<0.01).ThedifferencesofCD18andsICAM-1amongthediabeticsubgroupsweresignificantinCD18butnotinsICAM-1.TheprogressionofretinopathywasassociatedwithanincreasebothinCD18andinsICAM-1levelsbysimplecorrelationanalysis(β=0.74,P<0.001;β=0.38,P<0.01,respectively).ButstepwisemultipleregressionanalysisrevealedthatonlyCD18wasindependentdeterminantofretinopathy(β=1.04,P<0.01).·CONCLUSION:OurresultsconfirmthecontributionofendothelialandneutrophilicactivationinthedevelopmentofDRasindicatedbyincreasedlevelsofCD18andsICAM-1.However,adirectimplicationofCD18andICAM-1intheprogressionofDRcanbesupportedonlyintheCD18butnotICAM-1.CD18andICAM-1mayplaydifferentroleinthedevelopmentofdiabeticretinopathy.
简介:AIM:ToidentifythegeneticdefectinaChinesefamilywithbilateralprogressivechildhoodposteriorcataract.METHODS:Atwo-generationfamilywasrecruitedinthisstudy.Familyhistoryandclinicaldatawererecorded.AllreportedcandidategenesassociatedwithcongenitalposteriorcataractwerescreenedbydirectDNAsequencing.·RESULTS:Allaffectedindividualspresentedposterioropacitiesinthelens.Directsequencingofthecandidategenesshowedaheterozygousc.2668C>TvariationinEPHA2gene,whichresultedinthereplacementofargininebycysteineatcodon890(p.R890C).Thismutationwasfoundintwoaffectedindividuals,butwasnotobservedin200normalcontrols.·CONCLUSION:Wereportanovelmutation(p.R890C)intheEPHA2receptortyrosinekinasegene.ThefindingexpandsthemutationspectrumofEPHA2inassociationwithposteriorcataract.