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机构地区:[1]深圳市人民医院骨科,518020
出 处:《中华骨科杂志》2001年第8期498-501,共4页Chinese Journal of Orthopaedics
基 金:广东省科委攻关项目9894
摘 要:目的探讨羟基磷灰石HA、自体红骨髓RBM、骨形态发生蛋白(BMP)及纤维蛋白(FS)复合物修复骨缺损的能力及其作为人工骨移植替代材料的可行性。方法在新西兰大白兔双侧桡骨制备骨缺损模型,将HA-RBM-BMP-FS复合物植入骨缺损动物模型处,以自体骨移植及空白组(不植入任何物质)作为对照,在2、4、8、12周四个时间点分别进行大体标本观查、组织病理学、X线片观察及生物力学测试,比较三者修复骨缺损的能力。结果大体标本观查、组织病理学、X线片显示,在12周,HA-RBM-BMP-FS复合物与自体骨移植组骨缺损均已完全修复,HA无明显吸收,而空白对照组骨缺损未修复;生物力学测试显示自体骨移植组与HA-RBM-BMP-FS复合物组差异无显著性意义。结论HA-RBM-BMP-FS复合物具有较强的成骨能力,可修复骨缺损,并能作为自体骨移植的一种替代物。Objective To investigate the ability of repairing bone defect with the compound of hydroxyapatite(HA),red bone morrow (RBM), bone morphogenic protein(BMP)and fibrin sealant (FS),and the feasibility with the compounds as bone substitute material. Methods The animal models of bilateral radius bone defect were created by surgery in the New Zealand white rabbits, and were treated with the compound of HA, RBM, BMP and FS, by autograft and no implant as control.The effect were observed by gross, histopathological and X-ray examinations, and were determined by biomechanics at 2,4,8 and 12 weeks after operation. Results By gross, histopathological and X-ray examinations, the effect indicated that the bone defect were perfectly repaired with autograft and the compound of HA, RBM, BMP and FS at 12 weeks, but not with the no implant group. The effect of biomechanics had no statistically significant difference between the autograft and the compound of HA, RBM, BMP and FS. Conclusion The compound of HA, RBM, BMP and FS possesses much high bone inductive potentialities and the ability of rebuilding bone defect and can serve as an autograft substitute material.
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