用RIA测定铰刀头大小的植骨体积

IF 0.2 Q4 ORTHOPEDICS
John W. Robison, Emilio E Grau-Cruz, J. Bruggers, Stephen Becher
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引用次数: 1

摘要

介绍:本研究的目的是利用第二代扩眼器-灌流器-抽吸器(RIA 2)系统的模块化特性,量化扩眼器连续放大所获得的接枝体积,并确定扩眼器放大所带来的任何破裂或射孔风险。我们假设植骨体积可以通过扩孔前测量的影像学变量来预测。材料与方法:采用RIA - 2模块系统对11具尸体标本进行连续移植量评估。每个尸体标本都有从胫骨和股骨上采集的骨移植物。使用放射测量尺,估计股骨和胫骨的管大小。计算股骨和胫骨的平均移植物体积和每增加一个铰刀的SD。结果:所有扩孔术均无股骨穿孔。渐进式扩孔过程中胫骨穿孔或骨折5例,其中第二次扩孔3例,第三次扩孔2例,胫骨标本穿孔明显增加(P=0.03)。从胫骨和股骨取骨3次后移植物体积无显著差异。然而,股骨第二段移植物体积明显减少,这在胫骨移植中没有发现(P=0.0013)。讨论:RIA 2的铰刀头模块化允许铰刀多次通过,这使外科医生能够在需要更多自体移植物时扩大尺寸。股骨和胫骨的自体移植物总体积相似;然而,由于胫骨穿孔风险增加,应谨慎使用。证据等级:iv级——治疗性研究。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Bone Graft Volume by Reamer Head Size Using the RIA 2
Introduction: The purpose of the study was to quantify the volume of graft that is obtained using sequential upsizing of reamers using the modularity of the second generation Reamer-Irrigator-Aspirator (RIA 2) system and determine any fracture or perforation risk with upsizing. We hypothesize that graft volume may be predicted using radiographic variables that can be measured before reaming. Materials and Methods: Eleven cadaveric specimens were used to evaluate the sequential amount of graft taken using the RIA 2 modular system. Each cadaveric specimen had bone graft harvested from the tibia and femur. Using a radiographic ruler, estimations of the canal size for both the femur and tibia were performed. Average graft volume with SD per incremental increase of reamer was calculated for both the femur and the tibia. Results: There were no perforations of the femur during any reaming. There were 5 perforations or fractures of the tibias during progressive reaming including 3 during the second pass and 2 during the third pass, with a significant increase in perforation in the tibial specimens (P=0.03). There was no significant difference in graft volume after 3 passes from either tibia or femoral harvesting. However, there was a significant decrease in graft volume on the second pass of the femur that was not seen in tibial harvesting (P=0.0013). Discussion: The RIA 2’s reamer head modularity allows multiple passes of the reamer, which gives surgeons the ability to upsize if more autograft is needed. Total autograft volume was similar between the femur and tibia; however, caution should be used in the tibia because of increased perforation risk. Level of Evidence: Level IV—therapeutic study.
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来源期刊
CiteScore
0.60
自引率
0.00%
发文量
31
期刊介绍: The purpose of Techniques in Orthopaedics is to provide information on the latest orthopaedic procedure as they are devised and used by top orthopaedic surgeons. The approach is technique-oriented, covering operations, manipulations, and instruments being developed and applied in such as arthroscopy, arthroplasty, and trauma. Each issue is guest-edited by an expert in the field and devoted to a single topic.
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