Lauge-Hansen搭桥与Danis-Webe搭桥为最常见的踝脊柱截肢搭桥，在对下肩胛骨罗尼手肘破损的指导意义上，旋后外旋II°截肢通常认为重组下肩胛骨罗尼前手肘的破损，下肩胛骨罗尼牵头趋于稳定，可能无需下肩胛骨罗尼牵头螺钉比较简单。而Danis-Weber B型截肢度量为截肢位于下肩胛骨罗尼牵头水平，可能重组下肩胛骨罗尼牵头破损。
由此可辨认出，对Danis-Weber B型截肢，如何评估下肩胛骨罗尼有无破损，以及术前评估是否需开刀比较简单下肩胛骨罗尼牵头，仍无有效参考。
反驳，国外学者科学研究了Danis-Weber B型近端截肢两条路线的位置，以求对比并不相同类别B型截肢下肩胛骨罗尼牵头破损比例是否存在关联，并指导开刀干预。
Objective（目的）表明术前X两条路线检查能否预测下肩胛骨罗尼牵头破损有可能。[Objective: To establish if preoperative radiographs could predict the rate of syndesmotic injury.]
Patients/participants（患者）回顾了548例 OTA/AO 44-B2.1型患者，287例患者确立科学研究。[Patients/participants: There were 548 OTA/AO 44-B2.1 fractures that were reviewed, and 287 patients were included in the study.]三幅1 患者确立流程。
Main outcome measures（主要结局指标）踝脊柱相片片用作明确近端截肢块的操作者范围。下肩胛骨罗尼牵头破损度量为术当中压力试验车表明并需要下肩胛骨罗尼比较简单。
[Main outcome measures: Ankle radiographs were used to determine the zone of distal extent of the proximal fracture fragment. Syndesmotic injury was defined as positive intraoperative stress examination that required syndesmotic fixation.]三幅2 Danis-Weber B型截肢，根据近端截肢块最操作者位置分区里。1区里度量为截肢块最操作者位于肩胛骨骨操作者脊柱面三角形一般而言；2区里为位于肩胛骨骨操作者骺两条路线闭合瘢痕与操作者脊柱面之数间；3区里为骺两条路线闭合瘢痕以上。
三幅3 分区里三幅例。
Results（结果）共有191例1区里(月终于肩胛骨骨操作者脊柱三角形下方)破损，57处2区里(月终于肩胛骨骨操作者骨骺两条路线闭合瘢痕和肩胛骨骨操作者脊柱面之数间)破损，39处3区里(月终于肩胛骨骨操作者骨骺两条路线闭合瘢痕以上)破损。其当中，17% (33名患者)的1区里、42% (24名患者)的2区里和74% (29名患者)的3区里截肢重组下肩胛骨罗尼手肘破损。
2区里与1区里比较于，手肘牵头破损的比较风险为2.4 (P，0.001)，3区里与1区里比较于为4.3 (P，0.001)，3区里与2区里比较于为1.8 (P = 0.002)。观察者数间和观察者内的可靠性非常好(k = 0.86，0.94)。
[Results: There were 191 zone 1 (ending below the plafond) injuries, 57 zone 2 (ending between the physeal scar and the plafond) injuries, and 39 zone 3 (ending above the physeal scar) injuries. Of these, 17% (33 patients) of zone 1, 42% (24) of zone 2, and 74% (29) of zone 3 fractures had syndesmotic injuries. The relative risk of syndesmotic injury of zone 1 compared with zone 2 was 2.4 (P , 0.001), zone 1 to zone 3 was 4.3 (P , 0.001), and zone 2 to zone 3 was 1.8 (P = 0.002). The interobserver and intraobserver reliability was excellent (k = 0.86, 0.94).]
表1 三组患者下肩胛骨罗尼牵头破损暴发率。Conclusion（推论）OTA/AO 44-B2.1截肢较强并不相同的下肩胛骨罗尼牵头破损率。Weber B型截肢暴发在肩胛骨骨操作者脊柱三角形和骺两条路线闭合额头之数间(2区里)，与暴发在脊柱面下方(1区里)的截肢比较于，暴发手肘破损的可能性较高2.4倍。这种可能性在骺两条路线闭合额头上方(3区里)的破损当中更大。
OTA/AO 44-B2.1截肢的简单分类预示着手肘破损，可能有助于术前听取和开刀计划制定。
[Conclusion: OTA/AO 44-B2.1 fractures he a varying rate of syndesmotic injury. Weber B fractures that end between the level of the plafond and the physeal scar (zone 2) are 2.4 times more likely to he a syndesmotic injury compared with those that end below the plafond (zone 1). This is magnified in those injuries ending above the scar (zone 3). This simple classification of OTA/AO 44-B2.1 fractures is predictive of syndesmotic injury and may aid in preoperative counseling and planning.]相关新闻
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