简介：目的观察泪道探通联合硅胶管植入术治疗慢性化脓性泪囊炎的临床疗效。方法对30例（32眼）慢性化脓性泪囊炎患者行泪道探通联合硅胶管植入术，术后随访3—6个月。结果植入成功率100％。4眼于术后4-7d发生阻塞，及时行泪道冲洗后恢复通畅。硅胶管留置期间，其中溢泪、溢脓症状完全消除28眼，另外4眼仍有轻度溢泪。取出硅胶管后复发5眼占15％，治愈23眼，好转4眼，总有效率84％。结论应用硅胶管植入术治疗慢性化脓性泪囊炎手术时间短，出血少，安全性高，具有肯定的临床效果。值得推广。

简介：AIM:ToevaluatetheeffectofCollagencross-linkingonthepreventionofmeltinginrabbitcorneasafteralkaliburn.·METHODS:TwentyNewZealandwhiterabbitswererandomlydividedintomodelcontrolgroupandcollagencross-linkingtreatmentgroup.Thesecondgroupofrabbitsreceivedcollagencrosslinkedtreatment.Bothgroupswereappliedwithantibioticeyedropstopreventinfection.Thecorneaswereevaluatedformelting,opacity,pathologicalandimmunohistochemistry,recordthechangeswhen28daysaftertheanimalswerekilled.·RESULTS:Inthecontrolgroup,6outof8rabbitsshowedcornealmeltingafterinjury(14±4)days,whiletwocornealperforated.Incollagencross-linkingtreatmentgroup,onerabbitshowedcornealmeltingafterinjury23days,withoutcornealperforation;cornealdissolutionratebetweenthetwogroupswassignificantlydifferent(P<0.05).Pathologicalexaminationsuggestedthatinthetreatmentgroup,mildcornealedema,milddamagetocollagenfibers,inflammatorycellinfiltrationwassignificantlylessthanthecontrolgroup.Immunohistochemistryshowedthatcornealcollagenfibersarrangedinneatrowsinthecontrolgroup.·CONCLUSION:Collagencross-linkingtreatmentnotonlycanpreventanddelaythecornealmeltingafteralkaliburn,butalsocanreducethedestructionofcornealcollagenfibersandinfiltrationofinflammatorycellsinthecornealtissue.