简介:目的:探讨A型肉毒毒素在内眦赘皮术中应用抑制瘢痕形成的安全性和疗效。方法:选择2012-03/2014-03在我院眼部整形美容科接受内眦赘皮患者,按就诊顺序随机分为两组:术毕即刻进行A型肉毒毒素局部注射的39例患者作为治疗组;另选取42例作为对照组。采用国际推荐的OSAS瘢痕评价量表,由两位经验丰富的整形医师对两组患者术前及术后6mo的瘢痕情况进行评估,分别从瘢痕颜色、平整度、弹性程度及瘢痕宽度4个方面对瘢痕的整体情况进行评估打分,对两组术后1,6mo的瘢痕情况评估后进行统计学分析。结果:治疗组4例、对照组6例失访,其余患者按期回访评估。术后1mo瘢痕的颜色、弹性、平整性及宽度与对照组相比,差异有统计学意义(P〈0.05);术后6mo瘢痕的颜色、弹性与对照组相比无统计学差异(P〉0.05);而瘢痕的平整度及宽度与对照组相比,差异有统计学意义(P〈0.05)。每组在不同的时间分别比较均发现,1mo时瘢痕的颜色、隆起度、宽度及硬度达到峰值,与6mo相比具有统计学差异。治疗组随诊期间无1例诉伤口牵扯痛及痒感,对照组于术后3mo内有5例患者伤口有轻微痒感;无任何并发症发生。结论:A型肉毒毒素可在一定程度上减轻内眦赘皮矫正术后短期的瘢痕形成,及术后炎症反应性痒感及牵扯痛,可达到远期切口平整的外观,降低瘢痕增生的风险,值得在临床上推广应用。
简介:AIM:Tostudyclinicalfeaturesandgenemutationswithinthepaired-likehomeodomaintranscriptionfactor2(PITX2)geneinapedigreeofbilaterallimbaldermoids.METHODS:Completeeyeexaminationshavebeenperformedoneachindividualofthefamily.Exonsofpaired-likehomeodomaintranscriptionfactor2(PITX2)wereamplifiedbypolymerasechainreaction,sequenced,andcomparedwithareferencedatabase.RESULTS:Wedescribedthephenotype,clinicfindingsinafamilywithtwoaffectedmembers.Themassesoftheproband’seyeswereexcisedsurgicallydemonstratingadermoidcystbyhistopathologicalexamination.NomutationwasdetectedinthegenePITX2inthispedigree.CONCLUSION:Afamilyoflimbaldermoidcystwasreported.Inaddition,nopathogenicsequencevariationswerefoundinPITX2,indicatingthatthisphenotypeinthisfamilyisadistinctiveentity.
简介:目的:研究柚皮素对激光诱发大鼠脉络膜新生血管形成(CNV)、高眼压兔眼血流和缺血大鼠眼视网膜功能恢复的作用。方法:选择雄性棕色挪威大鼠,采用激光诱发Bruch膜破裂后,予10g/L(20mg/kg)柚皮素,1次/d,持续4wk;光凝后2,4wk分别做眼底荧光血管造影,评估CNV的形成。采用彩色微球技术、眼电生理技术检测兔眼血流和大鼠视网膜功能恢复。结果:与对照组比较,10g/L柚皮素能明显增加高眼压兔眼脉络膜血流(P〈0.05),能明显增加缺血大鼠眼视网膜功能恢复(P〈0.05),能明显减轻光凝点荧光素渗漏(75.8%~95.0%,P〈0.01)。结论:柚皮素能抑制激光诱发大鼠络膜新生血管形成;增加高眼压兔眼脉络膜血流;增加缺血大鼠眼视网膜功能恢复。
简介:目的比较两种不同药物低分子肝素钠与肝素钠皮内注射治疗眼睑黄色瘤的疗效分析。方法将34例眼睑黄色瘤患者(28例双眼,6例单眼),等分成两组(每组14例双眼,3例单眼):低分子肝素钠组瘤体面积(32.06±11.20)mm^2,肝素钠组瘤体面积(31.68±10.34)mm^2(t=-0.164,P=0.871),两组间瘤体大小差异无统计学意义。两组均严格采取皮内注射方法,一组皮内注射低分子肝素钠,另一组则皮内注射肝素钠,观察其疗效和疗程以及不良反应和并发症。结果两种药物皮内注射均能取得满意的临床疗效,但低分子肝素钠见效快、疗程短,且皮下淤血发生率明显降低。结论低分子肝素钠皮内注射治疗眼睑黄色瘤具备更优的临床效果。
简介:Thedamageofhumancornealcellsencounterwiththeproblemofavailabilityofcornealcellsforreplacement.Limitationofthesourceofcornealcellshasbeenrealized.Anattemptofdevelopmentofcornealepithelial-likecellsfromthehumanskin-derivedprecursor(hSKPs)hasbeenmadeinthisstudy.Combinationofthreeessentialgrowthfactors:epidermalgrowthfactor(EGF),keratinocytegrowthfactor(KGF)andhepatocytegrowthfactor(HGF)coulddemonstratesuccessfullyinductionofhSKPstodifferentiationintocornealcells.Theinducedcellsexpressedtheappearanceofmarkersofcornealepithelialcellsasshownbythepresenceofkeratin3(K3)byantibodylabelandWesternblotassay.TheK3geneexpressionofinducedhSKPscellsasshownbyreversetranscription-polymerasechainreaction(RT-PCR)technologywasalsodemonstrated.ThepresenceofthesemarkersatbothgeneandproteinlevelscouldleadtoourconclusionthatthedirectionaltransdifferentiationofhSKPscellsintocornealepithelialcellswassuccessfullydoneunderthiscellinductionprotocol.Thefindingshowsanewlyavailablestemcellsourcecanbeobtainedfromeasilyavailableskin.Cellsfromautologoushumanskinmightbeusedforcornealdisordertreatmentinfutureclinicalapplication.