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首页> 外文期刊>Journal of shoulder and elbow surgery >Does the presence of glenoid bone loss influence coracoid bone graft osteolysis after the Latarjet procedure? A computed tomography scan study in 2 groups of patients with and without glenoid bone loss
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Does the presence of glenoid bone loss influence coracoid bone graft osteolysis after the Latarjet procedure? A computed tomography scan study in 2 groups of patients with and without glenoid bone loss

机译：Latarjet手术后，盂盂骨丢失会影响喙突骨移植骨溶解吗？电脑断层扫描研究在2组有和没有关节盂骨丢失的患者中进行

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Background: Coracoid bone graft osteolysis and fibrous union are the principal causes of failure in patients treated with the Latarjet procedure. This study aims to investigate the hypothesis that coracoid bone graft osteolysis is more pronounced in cases without glenoid bone loss, which may be due to a diminished mechanotransduction effect at the bone healing site. Methods: We prospectively followed up 34 patients, treated with a mini-plate Latarjet procedure, divided into 2 groups (group A patients had glenoid bone loss >15% and group B patients had no glenoid bone loss). A computed tomography scan evaluation with 3-dimensional reconstruction was then performed on all patients to evaluate coracoid bone graft osteolysis according to our coracoid bone graft osteolysis classification. Results: The computed tomography scan analysis showed a different distribution of osteolysis between group A and group B. The statistical analysis showed a significant difference (P < .01, Bonferroni test)between groups A and B for the following sections: proximal/lateral/superficial, proximal/medial/deep, distal/lateral/superficial, and distal/lateral/deep. On average, the coracoid grafts in group A patients showed less osteolysis than the coracoid grafts in group B patients (39.6% vs 65.1%). Discussion: The coracoid bone graft underwent much less osteolysis in patients with significant glenoid bone loss (>15%) than in those without it. Because factors of blood supply, compression, and surgical technique were the same for both groups, we believe that the mechanotransduction effect from the humeral head on the graft influences its remodeling. Conclusion: The results of this study suggest that the bone graft part of the Latarjet procedure plays a role in patients with significant coracoid bone loss but much less so when there is no bone loss.
机译：背景：喙突骨移植物的骨溶解和纤维结合是使用Latarjet手术治疗的患者失败的主要原因。这项研究旨在研究假说，在没有关节盂骨丢失的情况下，喙突骨移植物的骨溶解更为明显，这可能是由于在骨愈合部位的机械传导作用减弱所致。方法：我们前瞻性随访了34例患者，接受了微型钢板Latarjet手术治疗，分为2组（A组患者关节盂骨丢失> 15％，B组患者没有关节盂骨丢失）。然后根据我们的喙骨移植的骨溶解分类，对所有患者进行3维重建的计算机断层扫描评估，以评估喙骨移植的骨溶解。结果：计算机断层扫描扫描分析显示，A组和B组之间的溶骨分布不同。统计分析显示，A和B组在以下部分之间存在显着差异（P <.01，Bonferroni检验）：浅，近/中/深，远/外/浅，远/外/深。平均而言，A组患者的喙突移植物比B组患者的喙突移植术显示更少的溶骨现象（39.6％比65.1％）。讨论：髋关节盂缺损（> 15％）的患者比没有喙突的患者进行的骨溶解少得多。由于两组的血液供应，压缩和手术技术因素相同，因此我们认为肱骨头对移植物的机械传导作用会影响其重塑。结论：这项研究的结果表明，Latarjet手术的骨移植部分在喙突骨量明显减少的患者中起着作用，而在没有骨量减少的情况下起的作用要小得多。

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