UTILIZING ANTERIOR TIBIAL TRANSLATION SIGN ON MAGNETIC RESONANCE IMAGING FOR DIFFERENTIAL DIAGNOSIS OF PARTIAL AND COMPLETE ANTERIOR CRUCIATE LIGAMENT TEARS

Apoorva Tripathi, Ayushi Mittal, Rajeev Mudkavi, Naju Tanya Mudkavi
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Abstract

Introduction: The anterior cruciate ligament (ACL) is a critical structure within the knee joint, playing a pivotal role in maintaining stability during various dynamic movements, including cutting, pivoting, and jumping. This study aims to evaluate the predictive value of pre-operative static ATT in knees with ACL injury. Material and Methods: This study constituted a retrospective descriptive research endeavour encompassing patients who underwent both MRI and knee arthroscopy at Jaipur National University, Institute for Medical Science and Research Centre from October 2023 to March 2024. Clinical data gleaned from in-patient records from the Department of Orthopaedics included demographic particulars such as age, sex, height, weight, and occupation. Patients were dichotomized into two subgroups predicated on arthroscopic ndings: partial ACL tear or complete ACL tear. Subsequently, patient diagnostic images were reviewed, and anterior tibial translation distances were meticulously measured. The means of anterior tibial translation distances in each subgroup were then computed, and the unpaired t-test for the mean difference of each subgroup was executed. Furthermore, a comparative analysis was conducted between the cut-off value derived in this investigation and those reported in antecedent studies. MRI protocols entailed knee protocol scans with the 1.5-Tesla Siemens Sempra, encompassing sagittal, coronal, and axial planes with distinct pulse sequences. Anterior tibial translation distance was meticulously dened as the distance between the most posterior cortex of the tibia and femur, acquired at the midsagittal plane of the lateral femoral condyle. The measurement was conducted relative to a plane parallel to the long axis of the image. Results: The results suggest that the test demonstrates outstanding sensitivity, specicity, positive predictive value, and negative predictive value, all reaching 100% (with condence intervals ranging from 84.56% to 100% for sensitivity and positive predictive value, and from 75.29% to 100% for specicity and negative predictive value). Conclusion: Employing a 7mm threshold on the anterior tibial translation sign for the diagnosis of complete ACL tears represents a valuable clinical tool with signicant implications for patient management.
利用磁共振成像上的胫骨前平移征鉴别诊断部分和完全性前十字韧带撕裂
前十字韧带前交叉韧带(ACL)是膝关节内的重要结构,在切削、旋转和跳跃等各种动态运动中保持稳定性方面发挥着关键作用。本研究旨在评估前交叉韧带损伤膝关节术前静态 ATT 的预测价值。材料与方法:本研究是一项回顾性描述性研究,涵盖 2023 年 10 月至 2024 年 3 月期间在斋浦尔国立大学医学科学研究所和研究中心接受核磁共振成像和膝关节镜检查的患者。从骨科住院病历中收集的临床数据包括年龄、性别、身高、体重和职业等人口统计学特征。根据关节镜,患者被分为两个亚组:前交叉韧带部分撕裂或前交叉韧带完全撕裂。随后,对患者的诊断图像进行审查,并对胫骨前平移距离进行精确测量。然后计算每个亚组胫骨前平移距离的平均值,并对每个亚组的主题差异进行非配对 t 检验。此外,还对本研究得出的临界值与前人研究报告中的临界值进行了比较分析。核磁共振成像方案包括使用1.5特斯拉西门子Sempra扫描膝关节,扫描范围包括矢状面、冠状面和轴面,并使用不同的脉冲序列。胫骨前方平移距离是在股骨外侧髁的矢状面采集到的胫骨和股骨最后方皮质之间的距离,并进行了细致的测量。测量是相对于平行于图像长轴的平面进行的。结果:结果表明,该测试的灵敏度、特city、阳性预测值和阴性预测值均达到了100%(灵敏度和阳性预测值的确信dence intervals从84.56%到100%不等,特city和阴性预测值的确信dence intervals从75.29%到100%不等)。结论:采用胫骨前平移征7毫米阈值诊断前交叉韧带完全撕裂是一种有价值的临床工具,对患者管理具有重要。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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