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:观察丝裂霉素C结膜下注射联合针刺分离对青光眼滤过性手术后瘢痕性滤过泡修复的临床效果。方法:对行滤过性手术后滤过泡瘢痕化的32例(32眼)进行滤过泡旁结膜下注射丝裂霉素C并进行针刺分离,观察分离前后视力、眼压、滤过泡形态和角膜内皮细胞计数等,结果进行统计学分析。结果:随访观察3~18(平均8.9±4.5)mo,针刺后3mo平均眼压由(30.6±6.2)mmHg降至(16.7±5.2)mmHg,总成功率为84%;随访≥6mo,眼压由治疗前(31.2±7.2)mmHg降至(17.8±5.8)mmHg,总成功率为84%;治疗前后眼压比较差异有非常显著性;随访6mo以上功能性滤过泡形成率为76%;角膜内皮细胞计数治疗前后差异无显著性。并发症有前房延缓形成3眼和前房少量积血3眼,3d后均自行恢复。结论:丝裂霉素C结膜下注射联合针刺分离对瘢痕性滤过泡的功能修复是一种安全有效的方法。
简介:<正>DearSir,IamDr.Zhong-ShanChenfromtheDepartmentofOphthalmology,WuhanGeneralHospitalofGuangzhouMilitaryCommand,HubeiProvince,China.Iwritetopresenttwocaseswithserpiginouschoroiditis(SC)whichisarare,usuallybilateral,chronic,progressiveinflammationofthechoroid,choriocapillarisandretinalpigmentepithelium.InthispaperwepresentedthedifferentoutcomesofSCpatientswithorwithoutsystemicandoculartreatmentsafterlong-termfollow-up.
简介:AIM:Toevaluatetheeffectsandsafetyofphacoemu-lsification(Phaco)orsmall-incisionextracapsularcataractsurgery(SICS)andintraocularlens(IOL)implantationforagedpatients.METHODS:Totally137agedpatients(149eyes)underwentcataractoperationinthecaseofstablesystemiccondition,thebloodpressurelessthan160/95mmHg,bloodglucoselessthan8mmol/L,andunderthehelpofelectrocardiogramsurveillancebyanesthesiologistsduringtheoperation.106agedpatients(114eyes)underwentPhacowhile31agedpatients(35eyes)underwentSICS.Thepostoperativevisualacuity,cornealendothelialcellloss,surgerytimeandmajorcomplicationswereobservedandanalyzedretrospectively.RESULTS:Thebest-correctedvisualacuity(BCVA)of≥0.6wasachievedin135eyes(92.6%)at1monthpostoperatively(χ2=259.730,P<0.001).Foragedpatients,bothPhacoandSICScouldsignificantlyimprovevisualacuitywithnosignificantdifference(χ2=4.535,P>0.05).Postoperativecornealendothelialcelllosswas18.6%,inPHACOgroup,theratewas18.5%;inSICSgroup,theratewas19.0%,thedifferenceofwhichwasnosignificant(χ2=0.102,P>0.05).Thesurgerytimewasdifferentintwogroups.Noseverecomplicationsoccurred.CONCLUSION:BothPhacoandSICScombinedwithIOLimplantationforagedpatientsareeffectiveandsafe.Beforesurgery,detailedphysicalexaminationshouldbeperformed.Whenthesystemicconditionisstable,cataractsurgeryforagedpatientsissafe.
简介:传统的石蜡包埋病理诊断方法由于操作处理所需时间长(一般70~80h),所以不适应现代临床医学快速诊断的要求.
简介:AIM:ToinvestigatetheroleofRho-associatedproteinkinase(ROCK)inhibitor,Y27632,inmediatingtheproductionofextracellularmatrix(ECM)componentsincludingfibronectin,matrixmetallo-proteinase-2(MMP-2)andtypeIcollagenasinducedbyconnectivetissuegrowthfactor(CTGF)ortransforminggrowthfactor-β(TGF-β)inahumanretinalpigmentepithelialcellline,ARPE-19.METHODS:TheeffectofY27632ontheCTGForTGF-βinducedphenotypeinARPE-19cellswasmeasuredwithimmunocytochemistryasthechangeinF-actin.ARPE-19cellsweretreatedwithCTGF(1,10,100ng/mL)andTGF-β(10ng/mL)inserumfreemedia,andanalyzedforfibronectin,laminin,andMMP-2andtypeIcollagenbyRT-qPCRandimmunocytochemistry.CellswerealsopretreatedwithanROCKinhibitor,Y27632,toanalyzethesignalingcontributingtoECMproduction.·RESULTS:TreatmentofARPE-19cellsinculturewithTGF-βorCTGFinducedanECMchangefromacobblestonemorphologytoamoreelongatedswirlpatternindicatingamesenchymalphenotype.RT-qPCRanalysisanddifferentgeneexpressionanalysisdemonstratedanupregulationinexpressionofgenesassociatedwithcytoskeletalstructureandmotility.CTGForTGF-βsignificantlyincreasedexpressionoffibronectinmRNA(P=0.006,P=0.003respectively),lamininmRNA(P=0.006,P=0.005),MMP-2mRNA(P=0.006,P=0.001),COL1A1mRNA(P=0.001,P=0.001),COL1A2mRNA(P=0.001,P=0.001).PreincubationofARPE-19withY27632(10mmol/L)significantlypreventedCTGForTGF-βinducedfibronectin(P=0.005,P=0.003respectively),MMP-2(P=0.003,P=0.002),COL1A1(P=0.006,P=0.003),andCOL1A2(P=0.006,P=0.004)geneexpression,butnotlaminin(P=0.375,P=0.516).CONCLUSION:OurstudydemonstratedthatbothTGF-βandCTGFupregulatetheexpressionofECMcomponentsincludingfibronectin,laminin,MMP-2andtypeIcollagenbyactivatingtheRhoA/ROCKsignalingpathway.Duringthisprocess,ARPE-19cellswereshowntochangefromanepithelialtoamesenchymalphenotypeinvi
简介:目的探讨前房注入1%利多卡因作为表面麻醉的一种辅助麻醉在眼前段内眼手术中的麻醉效果.方法对29例42眼患者眼前段内眼手术,在手术进入前房前,通过1mm前房穿刺或侧切口注入1%利多卡因,观察麻醉效果及术中术后并发症.结果Ⅰ级手术中完全无疼痛,手术配合良好;Ⅱ级术中疼痛轻微,可以耐受配合手术完成;Ⅲ级术中疼痛较剧,难以忍受.Ⅰ级者40眼,Ⅱ级者2眼,Ⅲ级者0眼,术中、术后无出现并发症.结论表面麻醉联合前房注入1%利多卡因是一种安全、有效、并发症少的麻醉方法.
简介:目的:评价翼状胬肉切除联合角膜缘干细胞移植术中,结膜植片两种缝合方法临床效果的差异。方法:采用前瞻随机对照试验,将48例48眼初发翼状胬肉患者随机分为A,B两组,每组24例24眼,A组术中结膜植片采用连续锁边缝合法;B组术中结膜植片采用间断缝合法。术中记录结膜缝合时间,术后随访6mo,记录拆线所用时间及眼部刺激评分情况。结果:术中平均植片缝合时间A组为14.05±2.30min,B组为19.34±2.12min,两组差异有统计学(P〈0.01)。眼部刺激情况分值在术后第3d(1.32±0.60vs1.68±0.35)和第5d(0.87±0.24vs1.26±0.68),A组得分均明显低于B组(P均〈0.05)。A组拆线所用时间为9.15±3.36min,B组拆线所用时间为12.61±3.89min,两组差异有统计学意义(P〈0.01)。结论:连续锁边缝合法提高了手术效率,减轻了术后的刺激症状,是一种安全高效的结膜植片缝合方法。