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首页> 外文期刊>Journal of orthopaedics and traumatology: official journal of the Italian Society of Orthopaedics and Traumatology >Investigation of bone quality of the first and second sacral segments amongst trauma patients: concerns about iliosacral screw fixation
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Investigation of bone quality of the first and second sacral segments amongst trauma patients: concerns about iliosacral screw fixation

机译：创伤患者第一骨节段和第二second骨节段的骨质调查：对about骨螺钉固定的关注

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class="Heading">Background id="Par1" class="Para">Iliosacral screw fixation has become a common method for surgical stabilization of acute disruptions of the pelvic ring. Placement of iliosacral screws into the first sacral (S1) body is the preferred method of fixation, but size limitations and sacral dysmorphism may preclude S1 fixation. In these clinical situations, fixation into the second sacral (S2) body has been recommended. The objective of this study was to evaluate the bone quality of the S1 compared to S2 in the described “safe zone” of iliosacral screw fixation in trauma patients. class="Heading">Materials and methods id="Par2" class="Para">The pelvic computed tomography scans of 25 consecutive trauma patients, ages 18–49, at a level 1 trauma center were prospectively analyzed. Hounsfield units, a standardized computed tomography attenuation coefficient, was utilized to measure regional cancellous bone mineral density of the S1 and S2. No change in the clinical protocol or treatment occurred as a consequence of inclusion in this study. class="Heading">Results id="Par3" class="Para">A statically significant difference in bone quality was found when comparing the first and second sacral segment (p?=?0.0001). Age, gender, or smoking status did not independently affect bone quality. class="Heading">Conclusion id="Par4" class="Para">In relatively young, otherwise healthy trauma patients there is a statistically significant difference in the bone density of the first sacral segment compared to the second sacral segment. This study highlights the need for future biomechanical studies to investigate whether this difference is clinically relevant. Due to the relative osteopenia in the second sacral segment, which may impact the quality of fixation, we feel this technique should be used with caution. class="Heading">Level of evidence class="Para">III
机译：class =“ Heading”>背景 id =“ Par1” class =“ Para”> I骨螺钉固定已成为手术稳定骨盆环急性破裂的常用方法。将骨螺钉置入第一个（骨（S1）体内是首选的固定方法，但由于尺寸限制和骨畸形可能会妨碍S1固定。在这些临床情况下，建议固定在第二骨（S2）体内。这项研究的目的是在创伤患者的骨螺钉固定的“安全区域”中评估S1与S2的骨质。 class =“ Heading”>材料和方法 id =“ Par2” class =“ Para”>对前瞻性分析了25位18-49岁的连续创伤患者在1级创伤中心的骨盆计算机断层扫描。 Hounsfield单位是一种标准化的计算机断层扫描衰减系数，用于测量S1和S2的局部松质骨矿物质密度。纳入本研究的结果并未导致临床方案或治疗方法发生变化。 class =“ Heading”>结果 id =“ Par3” class =“ Para”>静态比较第一and骨节段和第二second骨节段时，发现骨骼质量存在显着差异（ p ？=？0.0001）。年龄，性别或吸烟状况并没有独立影响骨骼质量。 class =“ Heading”>结论 id =“ Par4” class =“ Para”>在相对年轻的健康人群中创伤患者与第二second骨相比，第一骨的骨密度在统计学上有显着差异。这项研究强调了未来生物力学研究的必要性，以研究这种差异是否在临床上相关。由于the骨第二节段的骨量减少，可能会影响固定质量，因此我们认为应谨慎使用此技术。 class =“ Heading”>证据水平 class =“ Para”> III

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