再骨折发生时间在内固定后平均16.6个月（8～47个月），原骨折均已临床愈合。
The duration between primary and secondary fracture were 16.6 months(8 to 47 months), all the primary fractures healed clinically.
目的探讨中老年妇女骨折后再骨折发生情况及防治策略。
Objective To evaluate incidence of refracture and recommend strategies of prevention and treatment in aged women with previous fracture.
CFRP有弹性模量与骨相近似的特点，应用骨折内固定可以减少应力遮挡，避免钢板取出后的再骨折。
CFRP and bone have similar character in elastic mould, it can reduce stress proctection and avoid refracture after steel plate remove.
目的：探讨骨痂延长术后并发再骨折的发生率，以及并发再骨折的相关危险因素，为寻找有效的预防和控制措施提供依据。
Objective: to determine the incidence of refracture after callus distraction and explore the risk factors associated with refracture so as to find out the preventive measures.
术后12 ~ 15个月取出聚髌器，均未发生骨折复位丢失或再骨折。
At 12-15 months after surgery, patella holder was taken out and no lost of reduction or refracture occurred.
术后12 ~ 15个月取出聚髌器，均未发生骨折复位丢失或再骨折。
At 12-15 months after surgery, patella holder was taken out and no lost of reduction or refracture occurred.
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