学科分类
/ 25
500 个结果
  • 简介:泪小断裂是眼科常见外伤急症之,及时手术吻合断裂泪小,恢复泪道通畅,可避免终身溢泪痛苦;但基层眼科专业医师对该技术应用较少,而外科或全医师行内眦部及其附近眼睑裂伤清创时往往容易忽视泪小断裂问题。另外某些患者没有意识到溢泪痛苦,由于经济等原因拒绝吻合泪小,创口愈合后无法忍受溢泪痛苦,最终选择二泪小吻合手术。本文回顾性分析本科20061~201112泪小断裂行二吻合术病例23取得了有效治疗效果,现报告如下。

  • 标签: 泪小管断裂 吻合术 手术吻合 专业医师 眼睑裂伤 全科医师
  • 简介:AIM:Todeterminetheproliferativepotentialandthemaintenanceofstemcellactivityinstoredhumanlimbaltissues,andcorrelatethiswiththepreservationtime,cellviabilityandtheexpressionofstemcellmarkers.METHODS:Thirtylimbalrimsweresplitinto4partsandstoredincornealpreservationmediumat4℃for0,1,4,or7days.ThelimbalstemcellandmitoticmarkersP63,CK19,proliferatingcellnuclearantigen(PCNA),andKi67weredeterminedbyimmunohistochemicalstaining.Theproliferativepotentialoflimbalepithelialcellswasassessedbycellviability,theabilityofgeneratingstratifiedepithelium,andcolonyformingassay.RESULTS:Thestoredtissuesmaintainedlimbalstratifiedstructureto7daysandexhibitedcomparableexpressionlevelofstemcellandmitoticmarkers.Theproportionofviablecellsdecreasedwiththeprolongedpreservationtime,whilecolonyformingefficiencydecreasedfromthe1stdayanddisappearedatthe4thday.Wheninoculatedonamnioticmembrane,thecellspreservedfor1dayformedastratifiedepithelium,whilethecellsfrom4days’preservationformedadiscontinuouslayer.CONCLUSION:Thecolonyformingefficiencyoflimbalepithelialstem/progenitorcellsdecreasedrapidlywiththeincreasingpreservationtime,whiletheexpressionlevelofmarkersandcapacityofformingepithelialmonolayeronamnioticmembranedecreasedgradually.Thelimbalepithelialstemcellslosttheirfunctionearlierthanthelostexpressionlevelofstemcellmarkers.Thismayhelpustobetterchoosetheappropriatepreservationgraftsforfuturelimbalstemcelltransplantation.

  • 标签: limbal EPITHELIAL cells PROLIFERATIVE potential COLONY
  • 简介:目的分析剥脱综合征(ES)患者正常人眼轴及中央前房深度与眼压相关性。方法20101~20121本院就诊Es患者106(106眼)、正常人69(69眼),均为维吾尔族。观察Es眼非ES眼眼轴长度、中央前房深度及眼压有无差异,分析眼轴及中央前房深度与眼压相关性。结果ES患者眼轴长度为(22.89±0.91)mm,正常人眼轴长度为(23.12±0.97)mm,差异无统计学意义(P=0.12);ES患者前房深度为(2.84±0.41)mm,正常人前房深度为(2.93±0.39)mm,差异无统计学意义(P=0.14);ES患者眼压为(26.72±15.70)mmHg(1mmHg=0.133kPa),正常人眼压为(14.39±2.19)mmHg,差异有统计学意义(P=0.00)。Es患者眼轴与眼压具有相关性(r=-0.412,P=0.00);正常人眼轴与眼压不具有相关性(r=-0.102,P=0.405)。ES患者中央前房深度与眼压具有相关性(r=-0.33,P=0.001);正常人中央前房深度与眼压不具有相关性(r=-0.102,P=0.406)。结论维吾尔族ES患者眼压较正常人高,其眼轴及中央前房深度与眼压具有负相关性。(中国眼耳鼻喉科杂志,2013,13:170—172)

  • 标签: 剥脱综合征 眼压 中央前房深度 眼轴
  • 简介:目的检测糖尿病视网膜病变(DR)患者经曲安奈德治疗后,眼动脉、视网膜中央动脉收缩血流速峰值(PeakSystolicVelocity;PSV)变化,探讨曲安奈德对其血流动力学影响。方法对13糖尿病视网膜病变患者(13只眼)经玻璃体腔注射曲安奈德治疗前后,应用彩色多普勒超声成像技术对比研究眼动脉及视网膜中央动脉收缩血流速峰值(PSV)变化。所有患者都随访3,分别于治疗1周、1、3测量眼动脉及视网膜中央动脉收缩血流速峰值。结果所有患者都完成了治疗并随访3,视网膜中央动脉(CRA)收缩血流速峰值(PSV)治疗前与治疗1周,无明显差别(P〉0.05)。治疗前与治疗1,3时间点上测量,眼动脉(OA)及视网膜中央动脉(CRA)收缩血流速峰值(PSV)有显著差异(P〈0.05)。结论曲安奈德(TA)可以通过抑制炎症反应,下调炎症因子,抑制新生血管形成,改善眼动脉视网膜中央动脉血管张力,从而改善动脉血流速峰值,对减少糖尿病视网膜病变发展起到定作用。

  • 标签: 曲安奈德(TA) 糖尿病视网膜病变(DR) 眼动脉(OA) 视网膜中央动脉(CRA) 收缩期血流速峰值(PSV)
  • 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临床效果。方法:对18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大泡性角膜病变患者,术后15d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618mo无1复发,部分患者视力有不同程度提高。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治疗效果.

  • 标签: 大泡性角膜病变 角膜灼烙 羊膜嵌入移植
  • 简介:AIM:Toinvestigatewhether15-Lipoxygenase-1(15-LOX-1)playsanimportantroleintheregulationofangiogenesis,inhibitinghypoxia-inducedproliferationofretinalmicrovascularendothelialcells(RMVECs)andtheunderlyingmechanism.METHODS:PrimaryRMVECswereisolatedfromtheretinasofC57/BL6JmiceandidentifiedbyanevaluationforFITC-markedCD31.ThehypoxiamodelswereestablishedwiththeBio-bagandevaluatedwithablood-gasanalyzer.ExperimentswereperformedusingRMVECstreatedwithandwithouttransferAd-15-LOX-1orAd-vectorbothunderhypoxiaandnormoxiaconditionat12,24,48,72hours.Theefficacyofthegenetransferwasassessedbyimmunofluorescencestaining.CellsproliferationwasevaluatedbytheCCK-8method.RNAandproteinexpressionsof15-LOX-1,VEGF-A,VEGFR-2,eNOsandPPAR-rwereanalyzedbyreal-timereversetranscriptionpolymerasechainreaction(RT-PCR)andWesternblot.RESULTS:RoutineevaluationforFITC-markedCD31showedthatcellswerepure.Theresultsofblood-gasanalysisshowedthatwhenthecultureswereexposedtohypoxiaformorethan2hours,thePo2was4.5to5.4Kpa.WeverifiedRMVECscouldbeinfectedwithAd-15-LOX-1orAd-vectorviaFluorescencemicroscopy.CCK-8analysisrevealedthattheproliferativecapacitiesofRMVECsinhypoxicgroupweresignificantlyhigherateachtimepointthantheywereinnormoxicgroup(P<0.05).Inahypoxiccondition,theproliferativecapacitiesofRMVECsin15-LOX-1groupweresignificantlyinhibited(P<0.05).Real-timeRT-PCRanalysisrevealedthattheexpressionsofVEGF-A,VEGF-R2andeNOsmRNAincreasedinhypoxiagroupcomparedwithnormoxiagroup(P<0.01).However,theexpressionsof15-LOX-1,PPAR-rmRNAdecreasedinhypoxiagroupcomparedwithnormoxiagroup(P<0.01).Italsoshowedthatinahypoxiccondition,theexpressionsofVEGF-A,VEGF-R2andeNOsmRNAdecreasedsignificantlyin15-LOX-1groupcomparedwithhypoxiagroup(P<0.01).However,15-LOX-1andPPAR-rmRNAincreasedsigni

  • 标签: 15-Lipoxygenase-1 hypoxia RETINAL MICROVASCULAR endothelial cells
  • 简介:喉真菌病亦称真菌性喉炎,临床上较少见,本科收治喉真菌病4,现报告如下。

  • 标签: 喉真菌病 诊治 真菌性喉炎
  • 简介:目的观察超声乳化联合房角分离术对原发性闭角型青光眼患者眼压及视功能影响。方法选取20166-20171我院治疗86(86眼)原发性闭角型青光眼合并白内障患者作为研究对象,运用随机数表法将入选者分为对照组与观察组,均43(43眼)。观察组实施超声乳化联合房角分离术治疗,对照组应用超声乳化术治疗。观察两组治疗前、后眼压、视功能及并发症发生情况。结果治疗前两组眼压、视力对比,差异无统计学意义(P〉0.05);治疗后观察组眼压低于对照组,视力优于对照组,差异有统计学意义(P〈0.05);术后观察组相关并发症发生率显著少于对照组,差异有统计学意义(P〈0.05)。结论超声乳化与房角分离术联合应用有助于控制原发性闭角型青光眼患者眼压,提升患者视功能,降低术后并发症,加快患者康复进程。

  • 标签: 超声乳化术 房角分离术 原发性闭角型青光眼 眼压 视功能 并发症
  • 简介:目的通过超声乳化白内障吸除术对不同年龄段老年患者角膜内皮影响观察,探讨年龄和角膜内皮功能相关性。方法不同年龄段年龄相关性白内障患者(排除眼部其他疾患糖尿病全身病)78(83眼),分为66岁以下、66-73岁、74-84岁、85岁以上四年龄组,给予超声乳化白内障吸除手术治疗,以非接触眼科专用角膜内皮镜,测量手术前后角膜内皮细胞数量,对手术前后角膜内皮减少数值进行统计分析。结果同组术前、术后角膜内皮细胞减少有统计学意义(P〈0.01),各组间因手术影响减少值之间差异有统计学意义(P〈0.01)。结论高龄老年患者角膜内皮对手术损伤敏感性高,术前应对角膜内皮细胞功能评估应结合年龄段重新评估。

  • 标签: 超声乳化吸除术 角膜内皮 年龄
  • 简介:目的:研究及观察视神经萎缩患者球后动脉血流动力学及球结膜微循环指标的变化情况。方法:选取2013-04/2014-10于本院进行诊治70视神经萎缩患者为观察组,同时期70名健康同龄人员为对照组,然后将两组球后动脉血流动力学及球结膜微循环指标进行比较,并比较观察组不同分类及严重程度患者上述检测指标。结果:观察组球后动脉血流动力学及球结膜微循环指标均差于对照组,且观察组重度患者检测结果差于轻度及中度患者,中度患者检测结果则差于轻度患者,均有显著性差异(P〈0.05),不同分类患者之间检测结果则无显著性差异(P〉0.05)。结论:视神经萎缩患者球后动脉血流动力学及球结膜微循环指标的变化较大,且本病患者检测结果受疾病严重程度影响较大。

  • 标签: 视神经萎缩 球后动脉血流动力学 球结膜微循环指标
  • 简介:目的:比较白内障超声乳化吸除人工晶状体植入术后小切口囊外门内障摘除人工品状体植入术后患者生存质量变化。方法:分别于术前术后141,3mo,观察I组108单眼行白内障超声乳化吸除人工晶状体植入术后患者II组94单眼行小切口白内障囊外摘除人工晶状体植入眼部情况,使用生存质量调杏量表记录分数。结果:术前生存质量总分数各指标分数,术后1mo3mo生存质量总分数,I组Ⅱ组比较差异均无显著意义(P〉0.05)。术后14mo生存质量总分数各指标分数,I组高于Ⅱ组,两组比较差异有显著意义(P〈0.05)。结论:白内障超声乳化吸除人工品状体植入术患者生存质量在短期内就得到明显提高。手术效果优于小切口囊外白内障摘除术。中期效果I组Ⅱ组无明显差异,远期结果尚待进步深入探讨。

  • 标签: 白内障 超声乳化吸除术 小切口囊外摘除术 生存质量
  • 简介:目的:探讨规模化白内障手术中高龄及其伴全身疾病患者安全性。方法:回顾性分析"爱心光明行"活动中高龄及其伴全身疾病患者临床资料。结果:本组高龄伴全身疾病患者213(90.6%),其中循环系统疾病、代谢性疾病、呼吸系统疾病分别占65.1%,13.6%11.1%。术前因首次全身疾病评估暂缓手术25(10.6%),经有效治疗后手术。手术脱残率95.4%,脱盲率84.2%,12视力〈0.1患者眼底检查均有不同程度眼底病变。结论:加强术前综合因素评估,充分治疗全身疾病,严格掌握手术适应证,术监护,操作轻巧,手术时间1015min,是保证规模化白内障手术中高龄或伴全身疾病患者安全性有效措施。

  • 标签: 白内障 手术 高龄 安全性
  • 简介:病例介绍患者男38岁,因"右眼义眼台1植入术后5暴露1"入院。病程在外院行右眼义眼台暴露结膜切口对位缝合术、羊膜修补术及唇黏膜修补术,结果均失败。体检:右眼睑无红肿,右眼义眼台暴露6mm×8mm,周围球结膜轻度充血,表面少量粘性物覆盖,眼台运动基本正常,余未见明显异常。完善各项检查后拟局麻下行义眼台暴露自体薄皮瓣移植修复术。

  • 标签: 义眼台暴露 皮瓣移植 右眼睑 眼台 唇黏膜 结膜切口
  • 简介:AIM:ToinvestigatetheexpressionsoftypeIcollagen,α2integrinandβ1integrinintheposteriorscleraofguineapigswithdefocusmyopiaandwhetherbasicfibroblastgrowthfactor(bFGF)injectioninhibitstheformationanddevelopmentofmyopiabyupregulatingtheexpressionoftypeIcollagen,α2integrinandβ1integrin.METHODS:After14daysoftreatment,therefractivestateandaxiallengthweremeasuredandthelevelsoftypeIcollagen,α2integrinandβ1integrinwereassayedintheposteriorscleraeofgroupsofguineapigsthatworeamonocular-7Dpolymethylmethacrylate(PMMA)lensorhad-7DlenswearfollowedbytheperibulbarinjectionofPhosphateBufferSolution(PBS)orbFGF.Theuntreatedfelloweyeservedasacontrol.Guineapigswithnotreatmentservedasnormalgroup.·RESULTS:Theresultsshowedthat14daysofmonoculardefocusincreasedaxialeyelengthandrefraction,whilebFGFdeliveryinhibitedthemmarkedly.Further,itwasalsofoundthatthemonocular-7DlenscoulddecreasethelevelsoftypeIcollagen,α2integrinandβ1integrinexpressions,while,unlikePBS,bFGFincreasedthemsignificantlyincomparisontocontralateralcontroleyesandnormaleyes.CONCLUSION:bFGFcanpreventtheformationanddevelopmentofdefocusmyopiabyupregulatingtheexpressionsoftypeIcollagen,α2integrinandβ1integrin.Takentogether,ourresultsdemonstratethatbFGFpromotesscleraremodelingtopreventmyopiainguineapigs.

  • 标签: DEFOCUS MYOPIA type collagen α2
  • 简介:目的:通过测定糖尿病性白内障患者血清糖代谢指标、胰岛素抵抗与房水血清炎症因子水平,探讨其相关性。方法:随机选取我院2017-02/2018-01糖尿病性白内障患者69(观察组)白内障患者65(对照组),检测两组患者血清糖化血红蛋白(HbA1c)、空腹血糖(FPG)、空腹胰岛素(FINS)水平,计算胰岛素抵抗指数(HOMA-IR);同时检测房水血清胰岛素样生长因子-1(IGF-1)、白细胞介素-6(IL-6)含量,对HbA1c、HOMA-IR与房水血清IGF-1、IL-6含量进行相关性分析。结果:对照组血清FPG、HbA1c、HOMA-IR,以及房水血清IGF-1、IL-6含量显著低于观察组,差异有统计学意义(均P<0.05)。HbA1c与房水及血清IGF-1IL-6均呈正相关(P<0.05)。HOMA-IR与房水及血清IGF-1IL-6均呈正相关(P<0.05)。结论:糖尿病性白内障患者HbA1c、HOMA-IR与房水及血清IGF-1、IL-6含量具有相关性,通过对上述指标的测定可以辅助判断病情。

  • 标签: 糖尿病性白内障 胰岛素抵抗 房水 胰岛素样生长因子-1 白细胞介素-6
  • 简介:采用坐位气管切开术对20呼吸困难危重患者进行治疗,取得了良好效果,报告如下。1资料与方法1.1资料19953至20053,本院收治呼吸困难危重患者20,其中男性14、女性615~30岁者6,30~50岁者12,50~65岁者2

  • 标签: 气管切开术 坐位 危重患者 呼吸困难
  • 简介:目的探究眼科治疗严重眼心反射发生原因,从而进行有效预防,降低眼科门诊护理风险;方法对眼科治疗中发生严重眼心反射致心脏骤停患者救治过程进行回顾性分析探讨;结果在治疗眼局部疼痛压力刺激下,患者产生对眼科治疗紧张恐惧、坐位治疗情况下发生了严重眼心反射;结论为了防止治疗严重眼心反射发生,眼科治疗护士治疗前应该做好患者心理护理治疗时操作轻柔,尽可能减少对眼刺激,平卧位治疗增加患者心脑供血并执行严密病情观察,及早发现严重眼心反射先兆症状,及时有效救治。

  • 标签: 眼心反射 眼科治疗 护理风险
  • 简介:AIM:Todemonstratethemorphologyandstructureofinvitroreconstructedtissue-engineeredhumancornealepithelium(TE-HCEP)withseedercellsfromanuntransfectedHCEPcellline.·METHODS:TheTE-HCEPswerereconstructedinvitrowithseedercellsfromanuntransfectedHCEPcellline,andscaffoldcarriersofdenudedamnioticmembrane(dAM)inair-liquidinterfaceculturefor3,5,7and9days,respectively.Thespecimenswereexaminedwithhematoxylin-eosin(HE)stainingofparaffin-section,immunocytochemicalstaining,scanningandtransmissionelectronmicroscopy.·RESULTS:DuringinvitroreconstructionofTE-HCEP,HCEPcellsformeda3-4,6-7and8-10layersofanHCEP-likestructureondAMsinair-liquidinterfaceculturefor3,5and7days,respectively.Butthecellsdeceasedto5-6layersandthestructureofstraifiedepitheliumbecamelooseatday9.Andthecellsmaintainedpositiveexpressionofmarkerproteins(keratin3andkeratin12),cell-junctionproteins(zonulaoccludens-1,E-cadherin,connexin43andintegrinβ1)andmembranetransportproteinofNa+-K+ATPase.TheHCEPcellsinTE-HCEPwererichinmicrovillionapicalsurfaceandestablishednumerouscell-cellandcell-dAMjunctionsatday5.·CONCLUSION:ThemorphologyandstructureofthereconstructedTE-HCEPweresimilartothoseofHCEPinvivo.TheHCEPcellsinthereconstructedTE-HCEPmaintainedthepropertiesofHCEPcells,includingabilitiesofformingintercellularandcell-extracellularmatrixjunctionsandabilitiesofperformingmembranetransportation.TheuntransfectedHCEPcellsanddAMscouldpromisinglybeusedinreconstructionHCEPequivalentforclinicalcornealepitheliumtransplantation.

  • 标签: tissue-engineered HUMAN CORNEAL epithelium in VITRO
  • 简介:AIM:Toinvestigatethetreatmentstatusandprognosisofspace-occupyinglacrimalglandlesionsatonetertiaryeyecenterinChina.·METHODS:Aretrospectiveclinicalstudywasperformedon95patientswithspace-occupyinglesionsofthelacrimalglandsurgicallytreatedattheEye&ENTHospitalofFudanUniversityfrom2003to2007.Thereviewedclinicaldataincludedage,gender,sideofthelesion,durationofsignsandsymptoms,histopathologicaldiagnosis,treatmentmodality,recurrence(local,regional,anddistantmetastasis)andsurvival.·RESULTS:Ofthe95cases(99eyes),pleomorphicadenomaswerethemostcommonlesions(43cases),followedbylymphoiddisorders(14),inflammatorypseudotumors(11),carcinomaex-pleomorphicadenomas(11),andadenoidcysticcarcinomas(ACC,6).Therewere8patientswithrelapsedpleomorphicadenomas.Fiveofthese8caseshadmalignantpathologicalchanges.AllpatientswithACChadmetastasisandthreeofthemdiedduringtheirfollow-up.·CONCLUSION:Ourstudyindicatedthatthemostcommonlacrimalglandlesionswerepleomorphicadenomas.Multiplerecurrenceandsurgicalproceduresmayincreasetheriskoftumorprogression.ACChadahighincidenceoftumormetastasisandapoorprognosis.

  • 标签: LACRIMAL GLAND lesions PLEOMORPHIC ADENOMAS ADENOID
  • 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.

  • 标签: diabetic RETINOPATHY serum soluble INTERCELLULAR adhesion