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首页> 外文期刊>Orthopaedic Journal of Sports Medicine >Comparison of the use of a laximeter and a triaxial accelerometer for Anterolateral ligament injury diagnosis in ACL deficient knee
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Comparison of the use of a laximeter and a triaxial accelerometer for Anterolateral ligament injury diagnosis in ACL deficient knee

机译：腹腔镜和三轴加速度计在ACL缺陷膝关节前外侧韧带损伤诊断中的比较

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Objectives: The objective of this study was to compare the use of a laximeter and a triaxial accelerometer, for Anterolateral ligament injury diagnosis of in ACL deficient knee. We hypothesized that a triaxial accelerometer was more effective than a laximeter. Methods: A total of 11 cadaver knees were studied according to a new conservative dissection protocol without damage to the lateral structures. A GnRB? laximeter (Genourob, France) was used to determine anterior tibial translation (AP) of the tibia. Simultaneously, a KiRA? triaxial accelerometer (Kinetic Rapid Assessment) (OrthoKey, Italy) was used to determine two parameters: the AP translation and the Pivot Shift (PS). For each knee, 5 conditions were successively applied: intact knee (intact), knee with ALL (ALLsec) isolated section, knee with ALL and ACL section (ALL + ACLsec). Results: For the laximeter, the ACL and ALL sections led to a significant AP translation increase: + 2.1 mm for the ACL section, and + 0.9 mm for the ALL section. This difference was significant regardless of the level of force applied (p &0.05). For the triaxial accelerometer, the ACL and the ALL sections led to a significant AP translation increase: + 2.8 mm for ACL, and + 1.5 mm for ALL section. In contrast, for the PS, the increase was more consistent. There was a multiplier factor between the ACLsec condition and the ACL + ALLsec condition comparable to that between the intact condition and the ACLsec condition (P& 0.05). Conclusion: Whatever the device, the AP translation difference induced by the ALL injury, of the order of mm, remains too small to make the diagnosis of an ALL injury. The evaluation of the AP translation is therefore not a relevant to diagnostic an ALL injury. With greater increase, the evaluation of the rotatory laxity, through the PS test, is more relevant. In current practice, there is no clinical interest to use a laximeter or accelerometer on AP translation assessment to diagnosis an ALL injury in a deficient ACL knee. On the other hand, the use of a triaxial accelerometer to quantify the lateral tibial plateau acceleration in the pivot shift test appears to be relevant for detecting an ALL injury on a deficient ACL knee. These findings help provide clinical guidelines for more effective objective measures to diagnose ALL injury, and determine the most effective management for each patient.
机译：目的：本研究的目的是比较腹腔镜和三轴加速度计对ACL膝关节前外侧韧带损伤的诊断。我们假设三轴加速度计比拉克斯计更有效。方法：根据新的保守性解剖方案，对11具尸体膝盖进行了研究，未破坏其外侧结构。 GnRB？ Laximeter（法国Genourob）用于确定胫骨的前胫骨平移（AP）。同时使用KiRA？三轴加速度计（运动快速评估）（意大利OrthoKey）用于确定两个参数：AP平移和轴心位移（PS）。对于每个膝盖，依次应用5个条件：完整的膝盖（完整），具有ALL（ALLsec）隔离部分的膝盖，具有ALL和ACL区域（ALL + ACLsec）的膝盖。结果：对于腹膜血常规，ACL和ALL部分导致AP平移明显增加：ACL部分+ 2.1 mm，ALL部分+ 0.9 mm。无论施加的力水平如何，该差异都是显着的（p ＜0.05）。对于三轴加速度计，ACL和ALL部分导致AP平移显着增加：ACL增加2.8 mm，ALL部分增加1.5 mm。相反，对于PS，增加更为一致。在ACLsec条件和ACL + ALLsec条件之间存在与完整条件和ACLsec条件之间相乘的乘数因子（P＞ 0.05）。结论：无论使用哪种设备，ALL损伤引起的AP平移差异（毫米级）仍然很小，无法诊断为ALL损伤。因此，AP翻译的评估与ALL损伤的诊断无关。随着增加的增加，通过PS测试对旋转松弛度的评估更加相关。在当前的实践中，在AP翻译评估中使用测血仪或加速度计来诊断ACL膝关节功能不全的ALL损伤没有临床意义。另一方面，在枢轴位移测试中使用三轴加速度计来量化胫骨外侧平台加速度似乎与检测ACL膝关节受损时的ALL损伤有关。这些发现有助于为临床诊断更有效的客观措施提供指南，以诊断所有损伤，并为每位患者确定最有效的治疗方法。

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