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- W2896473445 abstract "The Masquelet induced-membrane technique for the treatment of segmental bone defects includes a two-stage surgical procedure, and polymethylmethacrylate (PMMA) plays a major role in the treatment. However, the PMMA spacer must be surgically removed. Here, we investigated the potential of poly(lactic-co-glycolic acid) (PLGA) nanofibers, a biodegradable material to replace the PMMA spacer, allowing the bioactive membrane to be induced and the spacer to degrade without the additional surgery on a rabbit femoral segmental bone defect model. PLGA nanofibers were shown to degrade completely six weeks after implantation in the investigated animals, and a thick membrane was found to circumferentially fold around the segmental bone defects. Results from image studies demonstrated that, in the group without the bone graft, all studied femurs exhibited either nonunion or considerable malunion. In contrast, the femurs in the bone graft group had a high union rate without considerable deformities. Histological examinations suggested that the membranous tissue in this group was rich in small blood vessels and the expression of BMP2 and VEGF increased. Our results demonstrate that the biodegradable PLGA nanofibers may be useful for replacing the PMMA spacer as the bioactive-membrane inducer, facilitating the process of healing and removing the need for repeated surgeries." @default.
- W2896473445 created "2018-10-26" @default.
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- W2896473445 date "2018-10-23" @default.
- W2896473445 modified "2023-10-17" @default.
- W2896473445 title "Artificial Membrane Induced by Novel Biodegradable Nanofibers in the Masquelet Procedure for Treatment of Segmental Bone Defects" @default.
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- W2896473445 doi "https://doi.org/10.1155/2018/8246571" @default.
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