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首页> 外文期刊>The Knee >Computed tomography based evaluation of the bone mineral density around the fixation area during knee ligament reconstructions: Clinical relevance in the choice of fixation method
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Computed tomography based evaluation of the bone mineral density around the fixation area during knee ligament reconstructions: Clinical relevance in the choice of fixation method

机译：基于计算机断层扫描的膝韧带重建过程中固定区域周围骨矿物质密度的评估：选择固定方法的临床意义

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Introduction: This study examined the bone density around the fixation area during knee ligament reconstructions and assessed how this clinical relevance can be applied to a firm construction for a reconstructed ligament. Materials and methods: Fifty consecutive patients (25 healthy men and 25 healthy women) were enrolled in this study. A quantitative computed tomography was used to determine the trabecular bone density at the 7 clinically relevant areas (anteromedial area of proximal tibia, anterolateral area of proximal tibia, posteromedial area of the proximal tibia, posterocentral area of the proximal tibia, posterolateral area of the proximal tibia, near femoral tunnel entrance of the ACL, near the femoral funnel entrance of the PCL). The means and standard deviations of the areas of interest were measured using a 10. mm diameter circle and the bone density was compared. Results: A comparison of the fixation areas in the proximal tibia, anteromedial area of proximal tibia showed the highest bone density and posterocentral area showed the lowest bone density. A comparison of the PCL tibial fixation with interference screws or trans-condylar fixation revealed the posterocentral area to have the lowest bone density. A comparison of the femoral fixation areas in the ACL and PCL reconstruction revealed no differences in bone density. Conclusion: The anteromedial area of the proximal tibia was most acceptable in the interference screw fixation and the posterocentral area had the lowest bone density in the proximal tibia. There were no differences in the femoral fixation areas in the ACL and PCL reconstruction.
机译：简介：这项研究检查了膝盖韧带重建过程中固定区域周围的骨密度，并评估了这种临床意义如何应用于重建韧带的牢固结构。材料和方法：连续入选50例患者（25名健康男性和25名健康女性）。使用定量计算机断层扫描来确定7个临床相关区域（胫骨近端内侧区域，胫骨近端外侧区域，胫骨近端后内侧区域，胫骨近端后中央区域，胫骨近端后外侧区域）的骨小梁骨密度胫骨，靠近ACL的股骨隧道入口，靠近PCL的股骨漏斗入口）。使用直径为10毫米的圆测量感兴趣区域的平均值和标准偏差，并比较骨密度。结果：比较胫骨近端的固定区域，胫骨近端的前内侧区域显示出最高的骨密度，而后中央区域显示出最低的骨密度。 PCL胫骨固定与干涉螺钉或trans突固定的比较显示后中央区域的骨密度最低。 ACL和PCL重建中股骨固定区域的比较显示骨密度没有差异。结论：在螺钉固定中，胫骨近端的前内侧区域最可接受，胫骨近端的后中央区域的骨密度最低。在ACL和PCL重建中，股骨固定区域没有差异。

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