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Stiffness measurements to assess healing in bone transport: a preliminary report

机译:刚度测量以评估骨运输的愈合:初步报告

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Little is known about the pattern of healing in patients undergoing bone transport for limb reconstruction. We evaluated the possibility of using bone stiffness for assessing healing in 8 consecutive patients treated with the Orthofix limb reconstruction system for non–union or bone loss. Six procedures were successful in achieving restoration of leg length and healing at both the docking site and the callotasis segment. Two procedures were unsuccessful, resulting in below–knee amputation. Of the six successful procedures, five were followed with bending stiffness measurements, while one patient was temporarily lost to follow–up. In all cases, the docking site took longer to heal than the callotasis segment. Patterns of healing of the callotasis segment were similar to that found in limb lengthening, and the docking site healed with a rate similar to that found in severe tibial fractures. The stiffness value proved to be a clinically useful, objective measure of healing in bone transport. A level of 15 Newton metres/degree (nm/d) allowed safe fixator removal in these cases.
机译:对于进行骨骼运输以进行肢体重建的患者的康复方式知之甚少。我们评估了使用骨刚度评估Orthofix肢体重建系统治疗的8例不愈合或骨丢失的患者是否愈合的可能性。六个程序成功地实现了对接部位和愈伤组织段的腿长恢复和愈合。两次手术均未成功,导致膝下截肢。在六项成功的手术中,有五项进行了弯曲刚度测量,而一名患者暂时失去随访。在所有情况下,对接部位的愈合时间均比愈伤组织段所需的时间更长。愈伤组织节段的愈合模式与肢体延长中发现的愈合模式相似,对接部位的愈合速度与严重的胫骨骨折中的愈合率相似。刚度值被证明是临床上有用的客观测量骨运输愈合的方法。在这些情况下,水平为15牛顿米/度(nm / d)可以安全移除固定器。

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