Pontoh Ludwig Andribert Powantia, Rahyussalim Ahmad Jabir, Fiolin Jessica
Knee Division of Department of Orthopaedic and Traumatology, Fatmawati General Hospital-Faculty of Medicine Universitas Indonesia, Jakarta Selatan.
Spine Division of Department of Orthopaedic and Traumatology, Dr. Cipto Mangunkusumo General Hospital-Faculty of Medicine Universitas Indonesia, Jakarta Pusat.
Arthrosc Sports Med Rehabil. 2021 Mar 23;3(3):e733-e739. doi: 10.1016/j.asmr.2021.01.012. eCollection 2021 Jun.
The purpose of this study was to measure the length and width of anterior cruciate ligament (ACL) tibial footprint using magnetic resonance imaging (MRI) and to evaluate correlation between patients' weight and height with the tibial footprint size.
In total, 207 eligible patients underwent MRI scanning from June 2018 to June 2020. One hundred seventeen knees from patients aged 18 to 40 years old with intact ACL were included in this study. Data of weight, height, body mass index (BMI) from physical examination and tibial footprint length and width from MRI were obtained. Relationship of ACL tibial footprint length <14 mm and association between ACL tibial footprint sizes of MRI with height, weight, and BMI were analyzed.
The ACL tibial footprint length and width were, respectively, 11.9 ± 1.8 mm and 10 ± 1.5 mm. Proportion of ACL footprint <14 mm in length was 89.7%. Patient height ≥170 cm was the best predictor of ACL tibial footprint length <14 mm ( = .025). There was a statistically significant relationship between the height of the patients and the length of the ACL tibial footprint. The length of the ACL tibial footprint could be predicted by the formula: length = -7.362 + 11.48 × (height in meters).
The height of the patients may predict the length of the ACL tibial footprint. Although patient's age, sex, and BMI correlate poorly with ACL tibial footprint width, there was no correlation between patient's weight and ACL tibial footprint size.
Before ACL reconstruction surgery, an estimation of ACL tibial footprint size might aid in the graft harvesting preparation.
本研究旨在使用磁共振成像（MRI）测量前交叉韧带（ACL）胫骨足迹的长度和宽度，并评估患者体重和身高与胫骨足迹大小之间的相关性。
2018年6月至2020年6月期间，共有207例符合条件的患者接受了MRI扫描。本研究纳入了117例年龄在18至40岁之间、ACL完整的患者的膝关节。获取了体格检查中的体重、身高、体重指数（BMI）数据以及MRI测量的胫骨足迹长度和宽度数据。分析了ACL胫骨足迹长度<14 mm的关系以及MRI测量的ACL胫骨足迹大小与身高、体重和BMI之间的关联。
ACL胫骨足迹的长度和宽度分别为11.9±1.8 mm和10±1.5 mm。ACL足迹长度<14 mm的比例为89.7%。患者身高≥170 cm是ACL胫骨足迹长度<14 mm的最佳预测指标（P = 0.025）。患者身高与ACL胫骨足迹长度之间存在统计学显著关系。ACL胫骨足迹的长度可以通过以下公式预测：长度 = -7.362 + 11.48×（身高，单位为米）。
患者的身高可能预测ACL胫骨足迹的长度。虽然患者的年龄、性别和BMI与ACL胫骨足迹宽度的相关性较差，但患者体重与ACL胫骨足迹大小之间没有相关性。
在进行ACL重建手术前，估计ACL胫骨足迹大小可能有助于移植物获取的准备工作。
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