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Increased lateral and medial femoral posterior radius ratios are risk factors for anterior cruciate ligament injury
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Increased lateral and medial femoral posterior radius ratios are risk factors for anterior cruciate ligament injury
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Journal Article
Increased lateral and medial femoral posterior radius ratios are risk factors for anterior cruciate ligament injury
2022
Overview
Background
Many studies have shown that distal femoral sagittal morphological characteristics have a clear relationship with knee joint kinematics. The aim of this study was to determine the relationship between distal femoral sagittal morphological characteristics and noncontact anterior cruciate ligament (ACL) injury.
Methods
A retrospective case-control study of 148 patients was conducted. Two age- and sex-matched cohorts (each
n
= 74) were analysed: a noncontact ACL injury group and a control group. Several characteristics were compared between the two groups, including the lateral femoral posterior radius (LFPR), medial femoral posterior radius (MFPR), lateral height of the distal femur (LH), medial height of the distal femur (MH), lateral femoral anteroposterior diameter (LFAP), medial femoral anteroposterior diameter (MFAP), lateral femoral posterior radius ratio (LFPRR), and medial femoral posterior radius ratio (MFPRR). Receiver operating characteristic (ROC) analysis was used to evaluate the significance of the LFPRR and MFPRR in predicting ACL injury.
Results
Compared with patients in the control group, patients in the ACL injury group had an increased LFPR, MFPR, MFAP, LFPRR, and MFPRR. ROC analysis revealed that an increased LFPRR above 31.7% was associated with noncontact ACL injury, with a sensitivity of 78.4% and a specificity of 58.1%; additionally. an increased MFPRR above 33.4% was associated with noncontact ACL injury, with a sensitivity of 58.1% and a specificity of 70.3%.
Conclusion
This study showed that increased LFPRR and increased MFPRR are risk factors for developing noncontact ACL injury. These data could thus help identify individuals susceptible to ACL injuries.
Publisher
BioMed Central,BioMed Central Ltd,Springer Nature B.V,BMC
Subject
/ Anterior Cruciate Ligament Injuries - diagnostic imaging
/ Anterior Cruciate Ligament Injuries - epidemiology
/ Anterior Cruciate Ligament Injuries - surgery
/ Anterior cruciate ligament injury
/ Anterior Cruciate Ligament Reconstruction
/ Femur
/ Humans
/ Injuries
/ Knee
/ Knee Joint - diagnostic imaging
/ Medicine
/ Patients
/ Radius
/ Software
/ Tibia
