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时间:2020-04-12
《蚕丝人工肌腱止点转归的观察-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、安徽医药AnhuiMedicalandPharmaceuticalJournal2014Mar;18(3)·475·蚕丝人工肌腱止点转归的观察12222刘和风,徐华,王骏飞,陈东阳,蒋青(1.安徽医科大学附属巢湖医院骨二科,安徽巢湖238000;2.南京大学医学院附属鼓楼医院关节外科,江苏南京210008)摘要:目的通过动物实验分析蚕丝人工肌腱止点的生物学过程,评价腱骨愈合与腱腱愈合的生物学转归,进一步研究蚕丝材料在骨科中应用的可行性。方法在兔胫骨中上1/3处钻孔,实验侧用脱胶的蚕丝,一端穿过骨道固定,另一端与趾长屈肌腱在轻微张力下
2、编织缝合;对照侧以趾长屈肌腱内侧1/3的近断端穿过骨道固定。分别于术后6、12、24周获取标本,行HE、甲苯胺蓝及Ⅰ型和Ⅲ型胶原免疫组化染色,观察蚕丝人工肌腱止点的组织学转归,与对照侧相比,评价蚕丝人工肌腱与骨及腱愈合的生物学转归。结果蚕丝人工肌腱与骨隧道逐渐形成胶原连接,随着时间延长,愈合越明显,以膜内成骨及软骨内成骨的方式向正常肌腱止点转归的趋势;亦发现Ⅰ型胶原染色随时间延长从少到多,Ⅲ型胶原染色从多到少,具有与对照侧自体肌腱移植相似的改变,但速度较慢。结论蚕丝人工肌腱可以形成腱骨及腱腱愈合,日后加以改进,有望成为一种新的骨科组
3、织工程人工材料,具有良好的发展前景。关键词:蚕丝;肌腱;组织工程;止点doi:10.3969/j.issn.1009-6469.2014.03.021Outcomeofsilkartificialtendoninsertionformation122LIUHeFeng,XUHua,WANGJunfei,etal(1.DepartmentofOrthopedicSurgery,DrumTowerChaohuHospitalofAnhuiMedicalUniversity,Chaohu,Anhui238000,China;2.Nan
4、jingDrumTowerHospitalTheAffiliatedHospitalofNanjingUniversityMedicalSchool,Nanjing,Jiangsu210008,China)Abstract:ObjectiveToanalyzethebiologicalprocessofsilkartificialtendonbyanimalexperimentandtoevaluatethebiologicaloutcomesofthehealingoftendontoboneandtendontotendono
5、fsilkartificialtendoninsertionafterimplantation,soastofurtherinvestigatethefeasibilityofsilkmaterialsapplicationinorthopedics.MethodsNewZealandrabbitwastreatedbydrillinginbetweentheupperandmiddlethirdoftibia.Attheexperimentside,oneextremityofsilkfiberswasfixedafterthr
6、eadedthroughthetibialtunnel,whiletheotherextremitywastakenandwoventotheflexordigitorumlongusmuscletendon;atthecontrolside,theproximalendofonethirdofflexordigitorumlongusmuscletendonwasfixedafterthreadedthroughthetibialtunnel.Theanimalwassacrificedtogetspecimenin6,12,2
7、4weeksafteroperation.StandardHEstain,toluidinebluestainandimmunohistochemicalanalysisoftypeIandIIIcollagensmonoclonalantibodywereprocessedtoobservehistologicallytheoutcomeofsilkartificialtendoninsertionformation.Thebiologicalprocessofthehealingoftendontoboneandtendont
8、otendonofsilkartificialtendoninsertionafterimplantationwasalsoevaluatedbycomparisonwiththecontrolside.ResultsTheconne
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