机器人关节测量仪 DYNEELAX® 的评分者内部和评分者之间的可靠性。

IF 2 Q2 ORTHOPEDICS

Journal of Experimental Orthopaedics Pub Date : 2024-09-30 DOI:10.1002/jeo2.70026

Katja Mihalinec, Carmen B. Martinez-Cepa, Juan C. Zuil-Escobar, Nataša Kejžar, Renata Vauhnik

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引用次数: 0

摘要

目的：我们的研究旨在测试 DYNEELAX® 关节测量仪在健康受试者中的评分者内部和评分者之间的可靠性。由于旋转松弛度将首次在人体中测量，因此还将提出标准值的指标：方法：使用 DYNEELAX® 关节测量仪对 73 名受试者（39 名女性和 34 名男性）的膝关节前方松弛度和旋转松弛度进行评估。计算了类内相关系数，以评估 DYNEELAX® 的评分者内部和评分者之间的可靠性：膝关节前侧松弛和膝关节旋转松弛的评分者内相关系数分别为 0.631（95% 置信区间：0.47-0.75）和 0.699（95% 置信区间：0.56-0.80），评分者间相关系数分别为 0.916（95% 置信区间：0.87-0.95）和 0.94（95% 置信区间：0.91-0.96）。膝关节前侧松弛和膝关节旋转松弛的评分者间可靠性的类内相关系数分别为 0.578（95% CI：0.40-0.71）至 0.646（95% CI：0.44-0.78）和 0.822（95% CI：0.57-0.91）至 0.933（95% CI：0.89-0.96）：DYNEELAX®关节测量仪对健康受试者的膝关节旋转松弛度具有良好至极佳的评分者内和评分者间可靠性，对膝关节前方松弛度具有中等的评分者内可靠性。未来的研究应探讨使用 DYNEELAX® 关节测量计测量膝关节病变患者膝关节前方和旋转松弛度的临床意义，因为这两种松弛度在临床实践中对于评估膝关节内结构的完整性至关重要：证据等级：IV 级。

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Intra-rater and inter-rater reliability of robotic arthrometer DYNEELAX®

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Intra-rater and inter-rater reliability of robotic arthrometer DYNEELAX®

Purpose

The purpose of our study was to test the intra-rater and inter-rater reliability of the DYNEELAX® arthrometer in healthy subjects. Since rotational laxity will be measured for the first time in humans, indications for normative values will also be presented.

Methods

Knee anterior laxity and rotational laxity using a DYNEELAX® arthrometer were assessed in 73 subjects (39 females and 34 males). An intraclass correlation coefficient was calculated to evaluate the intra-rater and inter-rater reliability of the DYNEELAX®.

Results

An intraclass correlation coefficient for intra-rater reliability ranges from 0.631 (95% confidence interval; [CI]: 0.47–0.75) to 0.699 (95% CI: 0.56–0.80) and from 0.916 (95% CI: 0.87–0.95) to 0.94 (95% CI: 0.91–0.96) for anterior knee laxity and rotational knee laxity, respectively. An intraclass correlation coefficient for inter-rater reliability ranges from 0.578 (95% CI: 0.40–0.71) to 0.646 (95% CI: 0.44–0.78) and from 0.822 (95% CI: 0.57–0.91) to 0.933 (95% CI: 0.89–0.96) for anterior knee laxity and rotational knee laxity, respectively.

Conclusions

The DYNEELAX® arthrometer has good to excellent intra-rater and inter-rater reliability for rotational knee laxity and moderate intra-rater reliability for anterior knee laxity in healthy subjects. Future studies should investigate the clinical significance of anterior and rotational laxity measured with the DYNEELAX® arthrometer in patients with knee pathology, as both laxities are critical for assessing the integrity of the intra-articular structures of the knee in clinical practice.