诊断前交叉韧带损伤膝关节的腘绳肌韧带损伤：一项前瞻性磁共振成像研究，调查腘绳肌韧带识别的观察者间和观察者内可靠性。

IF 2 Q2 ORTHOPEDICS

Journal of Experimental Orthopaedics Pub Date : 2024-07-24 DOI:10.1002/jeo2.12112

Steven Heylen, Thomas Braeckevelt, Peter Verdonk, Matthias Krause, Jozef Michielsen

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引用次数: 0

摘要

目的：我们的研究旨在探讨在前交叉韧带（ACL）损伤患者的磁共振成像（MRI）扫描中识别腘绳肌韧带（PFL）的观察者内部和观察者之间的可靠性，并确定在临床上无高级别后外侧角损伤的前交叉韧带损伤膝关节中PFL撕裂的发生率：方法：两名外科医生对在我科接受前交叉韧带重建术的 84 名患者进行了 MRI 回顾性扫描。矢状面和冠状面图像上是否存在 PFL 以及是否存在 PFL 撕裂。一名观察者在 6 周后重复读数。计算κ值以确定观察者内部和观察者之间识别PFL的可靠性，并确定PFL撕裂的发生率：结果：90.5%-91.7%的核磁共振扫描可观察到PFL。在核磁共振成像上观察 PFL 的观察者内和观察者间可靠性κ值分别为 0.63 和 0.66（基本可靠）。鉴别PFL撕裂的观察者内可靠性κ值为0.26（可靠性一般）。我们发现在前交叉韧带损伤的膝关节中，PFL撕裂的发生率为4.8%：结论：在核磁共振成像扫描中识别PFL的观察者内部和观察者之间的可靠性非常可靠，但识别PFL撕裂的可靠性一般。在我们的系列研究中可以观察到，在前交叉韧带损伤的膝关节中，PFL撕裂的发生率为4.8%，但没有临床确诊的高级别后外侧角损伤：证据级别：IV级

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Diagnosing popliteofibular ligament injuries in anterior cruciate ligament-injured knees: A prospective magnetic resonance imaging study investigating the inter- and intraobserver reliability of identification of the popliteofibular ligament

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Purpose

The aim of our study was to investigate the intra- and interobserver reliability for the identification of the popliteofibular ligament (PFL) in magnetic resonance imaging (MRI) scans in patients with an anterior cruciate ligament (ACL) injury and ascertain the prevalence of PFL tears in ACL-injured knees without clinically high-grade posterolateral corner injury.

Methods

MRI readings were performed retrospectively by two surgeons on 84 patients who underwent ACL reconstruction in our department. The presence of the PFL on both sagittal and coronal images as well as the presence of PFL tears was noted. Readings were repeated 6 weeks later for one observer. The κ value was calculated to determine the intra- and interobserver reliability for identification of the PFL and the prevalence of PFL tears was ascertained.

Results

The PFL was visualized in 90.5%−91.7% of MRI scans. The intra- and interobserver reliability of visualizing the PFL on MRI had an κ value of 0.63 and 0.66 (substantially reliable), respectively. The intraobserver reliability for identification of PFL tears had an κ value of 0.26 (fair reliability). We found a 4.8% prevalence of PFL tears in ACL-injured knees.

Conclusions

There is substantially reliable intra- and interobserver reliability for the identification of the PFL on MRI scans but only fair reliability for the identification of PFL tears. A 4.8% prevalence of PFL tears in ACL-injured knees without clinically confirmed high-grade posterolateral corner injury can be observed in our series.