1
|
Pawan Kumar KM, Mundargi A, Puttamaregowda M, Kammagondanahalli RK, Perumalswamy S, Shantharam SM. LFCI and knee morphological parameters as a risk factor in anterior cruciate ligament tear on magnetic resonance imaging- A case control analysis. J Clin Orthop Trauma 2024; 55:102514. [PMID: 39247087 PMCID: PMC11377136 DOI: 10.1016/j.jcot.2024.102514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 07/01/2024] [Accepted: 08/12/2024] [Indexed: 09/10/2024] Open
Abstract
Background The anterior cruciate ligament is commonly injured and multiple risk factors have been studied. But there is paucity of articles considering predictive risk factors of femoral condyle morphology in south Indian population. This study aims to assess distal femoral condyle sphericity as a risk factor in anterior cruciate ligament injury and to correlate it with proximal tibia morphological risk factors. Materials and methods This is a case control study including 80 patients with knee MRI aged between 18 and 60.They were grouped into cases (40) and controls (40). Cases being non-contact ACL injuries without multi ligamentous injuries and controls being MRI with ACL intact. Lateral femoral condyle index, posterior tibial slope, medial and lateral tibial depth were measured and compared. The risk factors were analysed with multiple logistic regression. Results The lateral femoral condyle index had a mean value of 0.79 with standard deviation of ± 0.05 in cases group. Control group had a mean value of 0.803 with standard deviation of ± 0.05. Medial tibial slope in cases (8°) was lesser than in control group (7.6°). Lateral tibial slope was found to more among cases group (9.1°) than in control group (7.5°). Medial tibial depth had a mean of 4.07 mm among cases and 3.9 mm among control group. There was a moderate positive correlation between LFCI and Medial Tibial slope among cases that was statistically significant (P = 0.002). In addition, there was a weak negative correlation between LCFI and Medial Tibial Depth that was statistically significant. Conclusion The lateral femoral condyle index was not found to be significant statistically among ACL injured patients. In our study we concluded that lateral tibial slope was more reliable risk factor in predicting ACL injury when compared to other parameters.
Collapse
Affiliation(s)
- Keelara Mahadevappa Pawan Kumar
- Department of Orthopaedics, DSU-Dayananda Sagar University, CDSIMER (Chandramma Dayananda Sagar Institute of Medical Education & Research), Bangalore, Karnataka, India
| | | | | | | | | | - Shetty M Shantharam
- Shantharam Shetty Institute of Orthopaedics and Traumatology, Department of Orthopaedics, Karnataka, India
| |
Collapse
|
2
|
Zhou Y, Yu A, Wu X, Yao J, Tan H, Wang H, Lian C, Zhou A. Evaluating the reliability of the lateral femoral condyle measuring methods by different modalities for patients with lateral patellar dislocation. BMC Musculoskelet Disord 2024; 25:388. [PMID: 38762738 PMCID: PMC11102213 DOI: 10.1186/s12891-024-07495-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Accepted: 05/06/2024] [Indexed: 05/20/2024] Open
Abstract
BACKGROUND A variety of measurement methods and imaging modalities are in use to quantify the morphology of lateral femoral condyle (LFC), but the most reliable method remains elusive in patients with lateral patellar dislocation (LPD). The purpose of this study was to determine the intra- and inter-observer reliability of different measurement methods for evaluating the morphology of LFC on different imaging modalities in patients with LPD. METHODS Seventy-three patients with LPD were included. Four parameters for quantifying the morphology of LFC were retrospectively measured by three observers on MRI, sagittal CT image, conventional radiograph (CR), and three-dimensional CT (3D-CT). The intra-class correlation coefficient was calculated to determine the intra- and inter-observer reliability. Bland-Altman analysis was conducted to identify the bias between observers. RESULTS The lateral femoral condyle index (LFCI) showed better intra- and inter-observer reliability on MRI and 3D-CT than on CR and sagittal CT images. The mean difference in the LFCI between observers was lowest on 3D-CT (0.047), higher on MRI (0.053), and highest on sagittal CT images (0.062). The LFCI was associated with the lateral femoral condyle ratio (ρ = 0.422, P = 0.022), lateral condyle index (r = 0.413, P = 0.037), and lateral femoral condyle distance (r = 0.459, P = 0.014). The LFCI could be reliably measured by MRI and 3D-CT. CONCLUSION The LFCI could be reliably measured by MRI and 3D-CT. The LFCI was associated with both the height and length of LFC and could serve as a comprehensive parameter for quantifying the morphology of LFC in patients with LPD.
Collapse
Affiliation(s)
- Yunlong Zhou
- Department of Orthopaedics, the First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
- Orthopedic laboratory of Chongqing Medical University, Chongqing, 400016, China
| | - Anqi Yu
- Department of Orthopaedics, the First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
- Orthopedic laboratory of Chongqing Medical University, Chongqing, 400016, China
| | - Xiaoan Wu
- Department of Orthopaedics, the First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
- Orthopedic laboratory of Chongqing Medical University, Chongqing, 400016, China
| | - Jinjiang Yao
- Department of Orthopaedics, the First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
- Orthopedic laboratory of Chongqing Medical University, Chongqing, 400016, China
| | - Hao Tan
- Department of Orthopaedics, the First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
- Orthopedic laboratory of Chongqing Medical University, Chongqing, 400016, China
| | - Huaao Wang
- Department of Orthopaedics, the First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
- Orthopedic laboratory of Chongqing Medical University, Chongqing, 400016, China
| | - Chengjie Lian
- Department of Orthopaedics, the First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
- Orthopedic laboratory of Chongqing Medical University, Chongqing, 400016, China
| | - Aiguo Zhou
- Department of Orthopaedics, the First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.
- Orthopedic laboratory of Chongqing Medical University, Chongqing, 400016, China.
| |
Collapse
|
3
|
Centner C, Fiedler C, Heitner AH, Paul J, Imhoff FB. Tibiofemoral bone configuration is not associated with hamstring muscle strength in male and female patients with ACL reconstruction. Knee Surg Sports Traumatol Arthrosc 2024. [PMID: 38690972 DOI: 10.1002/ksa.12220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 04/11/2024] [Accepted: 04/16/2024] [Indexed: 05/03/2024]
Abstract
PURPOSE Previous evidence indicated that the tibiofemoral bone configuration might elevate the risk of an anterior cruciate ligament (ACL) injury. Furthermore, a low hamstring-to-quadriceps muscle ratio predisposes especially females to unfavourable knee kinematics. The primary objective of the present study was to investigate sex-specific associations between tibiofemoral bone geometry and isokinetic knee flexion torque in patients with primary ACL injury followed by ACL reconstruction. METHODS N = 100 patients (72 = male, 28 = female, age = 31.3 ± 10.2, body mass index = 25.3 ± 3.6) with primary ACL rupture with isokinetic knee flexion torque assessments before and 6 months after ACL reconstruction surgery were analysed. Magnetic resonance imaging scans were analysed for medial posterior tibial slope (MPTS) and lateral posterior tibial slope, notch width index (NWI) and lateral femoral condyle index (LFCI). Additionally, isokinetic knee flexion torque (60°/s) and hamstring-quadriceps ratios were evaluated. Subsequently, functional parameters were correlated with imaging data for gender subgroups. RESULTS The findings showed that presurgical isokinetic knee flexion torque was not associated with any marker of femoral or tibial bone geometry. Further, while significant differences were observed between female (0.883 ± 0.31 Nm/kg) and male (1.18 ± 0.35 Nm/kg) patients regarding preoperative normalized knee flexion torque (p < 0.001), no significant sex differences were found for percentage increases in normalized knee flexion torque from presurgery to postsurgery. Generally, female patients demonstrated significantly higher MPTS magnitudes (p < 0.05) and lower LFCI values (p < 0.05) compared to men. CONCLUSION The present results demonstrated no association between tibial or femoral bone geometry and muscle strength of the hamstrings in patients with ACL reconstruction, indicating an important mismatch of muscular compensation to deviations in bone geometry. There were no sex-specific differences in tibiofemoral bone parameters. LEVEL OF EVIDENCE Level III.
Collapse
Affiliation(s)
| | | | | | | | - Florian B Imhoff
- Rennbahnklinik, Muttenz, Switzerland
- Orthopädie und Traumatologie, Universitätsklinik Basel, Basel-Stadt, Switzerland
| |
Collapse
|
4
|
Gao YT, Yang YP, Meng QY, Chen NY, Ma Y, Liu P, Wang C, Shi WL. Increased Lateral Femoral Condyle Ratio Measured by Magnetic Resonance Imaging Is Associated With Anterior Cruciate Ligament Rerupture. Arthroscopy 2024; 40:1557-1565. [PMID: 37813203 DOI: 10.1016/j.arthro.2023.09.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 09/08/2023] [Accepted: 10/03/2023] [Indexed: 10/11/2023]
Abstract
PURPOSE To investigate the association between lateral femoral condyle ratio (LFCR) measured by magnetic resonance imaging (MRI) and anterior cruciate ligament (ACL) rerupture after anatomic ACL reconstruction (ACLR) and to compare the diagnostic accuracy between MRI and radiograph measurements. METHODS A retrospective review was conducted on patients who underwent anatomic ACLR in our institution between 2015 and 2018. Patients who experienced rerupture after ACLR were identified and matched 1:1 with control patients who showed no evidence of graft failure during a minimum 48-month follow-up. The matching criteria included age, sex, and body mass index. LFCR was measured on MRI scans and radiographs of the affected limb. Patients' characteristics, surgical features, and anatomic measurements were compared between groups. Conditional logistic regression was performed to investigate whether MRI-measured LFCR is a risk factor for ACL rerupture. The optimal cutoff value was determined by receiver operating characteristic curves (ROC). Delong's test was performed to compare the diagnostic accuracy between MRI and radiograph measurements. RESULTS A total of 72 patients who sustained ACL rerupture were included and matched with 72 control subjects. Compared to patients with intact ACLR, those who sustained ACL rerupture showed a significant increase in LFCR on MRI scans (63.38% ± 2.26% [95% CI, 62.84%-63.91%] vs 61.10% ± 2.19% [95% CI, 60.59%-61.61%], P < .001). An MRI-measured LFCR >62.18% was set as the cutoff point to discern patients at a higher risk of graft failure after anatomic ACLR, with sensitivity and specificity of 75.0% and 70.8%, respectively. MRI-measured LFCR demonstrated superior diagnostic accuracy during ROC curve analysis, achieving a higher area under the curve compared to radiograph-measured LFCR (0.783 ± 0.051 vs 0.668 ± 0.060, P = .041). CONCLUSIONS The study found that MRI-measured LFCR was associated with ACL rerupture. A cutoff value of 62.18% was determined, which can help identify patients at a higher risk of rerupture. LEVEL OF EVIDENCE Level III, retrospective comparative study.
Collapse
Affiliation(s)
- Yi-Tian Gao
- Department of Sports Medicine, Peking University Third Hospital, Beijing, China; Engineering Research Center of Sports Trauma Treatment Technology and Devices, Ministry of Education, Beijing, China; Beijing Key Laboratory of Sports Injuries, Beijing, China
| | - Yu-Ping Yang
- Department of Sports Medicine, Peking University Third Hospital, Beijing, China; Engineering Research Center of Sports Trauma Treatment Technology and Devices, Ministry of Education, Beijing, China; Beijing Key Laboratory of Sports Injuries, Beijing, China
| | - Qing-Yang Meng
- Department of Sports Medicine, Peking University Third Hospital, Beijing, China; Engineering Research Center of Sports Trauma Treatment Technology and Devices, Ministry of Education, Beijing, China; Beijing Key Laboratory of Sports Injuries, Beijing, China
| | - Na-Yun Chen
- Department of Sports Medicine, Peking University Third Hospital, Beijing, China; Engineering Research Center of Sports Trauma Treatment Technology and Devices, Ministry of Education, Beijing, China; Beijing Key Laboratory of Sports Injuries, Beijing, China
| | - Yong Ma
- Department of Sports Medicine, Peking University Third Hospital, Beijing, China; Engineering Research Center of Sports Trauma Treatment Technology and Devices, Ministry of Education, Beijing, China; Beijing Key Laboratory of Sports Injuries, Beijing, China
| | - Ping Liu
- Department of Sports Medicine, Peking University Third Hospital, Beijing, China; Engineering Research Center of Sports Trauma Treatment Technology and Devices, Ministry of Education, Beijing, China; Beijing Key Laboratory of Sports Injuries, Beijing, China
| | - Cheng Wang
- Department of Sports Medicine, Peking University Third Hospital, Beijing, China; Engineering Research Center of Sports Trauma Treatment Technology and Devices, Ministry of Education, Beijing, China; Beijing Key Laboratory of Sports Injuries, Beijing, China
| | - Wei-Li Shi
- Institute of Sports Medicine, Peking University Third Hospital No. 49, Beijing, China.
| |
Collapse
|
5
|
Jin X, Wu X, Xu W, She C, Li L, Mao Y. Gender differences in the impact of anatomical factors on non-contact anterior cruciate ligament injuries: a magnetic resonance study. BMC Musculoskelet Disord 2024; 25:264. [PMID: 38575985 PMCID: PMC10996128 DOI: 10.1186/s12891-024-07390-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2024] [Accepted: 03/27/2024] [Indexed: 04/06/2024] Open
Abstract
PURPOSE To identify MRI-detected anatomical risk factors for non-contact anterior cruciate ligament (ACL) injuries across genders. METHODS A retrospective analysis was performed on 141 ACL-reconstructed patients (35 females, 106 males) and 142 controls (37 females, 105 males) from January 2020 to April 2022. Inclusion criteria were primary non-contact ACL injuries. The tibial plateau slope, lateral femoral condyle index, Insall-Salvati index, and patellar tendon angle were measured, using binary logistic regression for gender-specific risk evaluation. RESULTS Increased lateral tibial plateau slope, reduced intercondylar notch width index, lateral femoral condyle index, and patellar tendon angle correlated with ACL injuries in both genders. The Insall-Salvati index was a significant risk factor in females but not in males. CONCLUSION This study identifies the lateral tibial plateau slope, notch width index, lateral femoral condyle index, and patellar tendon angle at near-extension as risk factors for ACL injuries in both genders, with the Insall-Salvati index also implicated in females.
Collapse
Affiliation(s)
- Xixin Jin
- Department of Orthopedics, The Second Affiliated Hospital, Soochow University, 1055 Sanxiang Road, Suzhou, Jiangsu, 215004, P.R. China
| | - Xujin Wu
- Department of Orthopedics, The Second Affiliated Hospital, Soochow University, 1055 Sanxiang Road, Suzhou, Jiangsu, 215004, P.R. China
| | - Wei Xu
- Department of Orthopedics, The Second Affiliated Hospital, Soochow University, 1055 Sanxiang Road, Suzhou, Jiangsu, 215004, P.R. China
| | - Chang She
- Department of Orthopedics, The Second Affiliated Hospital, Soochow University, 1055 Sanxiang Road, Suzhou, Jiangsu, 215004, P.R. China
| | - Liubing Li
- Department of Orthopedics, The Second Affiliated Hospital, Soochow University, 1055 Sanxiang Road, Suzhou, Jiangsu, 215004, P.R. China
| | - Yongtao Mao
- Department of Orthopedics, The Second Affiliated Hospital, Soochow University, 1055 Sanxiang Road, Suzhou, Jiangsu, 215004, P.R. China.
| |
Collapse
|
6
|
Sun Y, Tang Y. The relationship between lateral femoral condyle ratio measured by MRI and anterior cruciate ligament injury. Front Bioeng Biotechnol 2024; 12:1362110. [PMID: 38600950 PMCID: PMC11004325 DOI: 10.3389/fbioe.2024.1362110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Accepted: 03/18/2024] [Indexed: 04/12/2024] Open
Abstract
Background Previous studies have shown that the lateral femoral condyle ratio (LFCR) measured by X-ray has a significant relationship with the anterior cruciate ligament (ACL) injury. However, few relevant studies have been performed on LFCR measured by magnetic resonance imaging (MRI). Purpose (1) To evaluate the relationship between LFCR measured by MRI and ACL injury or rerupture. (2) To compare the LFCR measured by MRI with existing bony morphological risk factors and screen out the most predictive risk factors for primary ACL injury or rerupture. Study Design Cohort study; Level of evidence, 3. Methods Totally 147 patients who underwent knee arthroscopic surgery from 2015 to 2019 with minimum follow-up of 48 months were retrospectively evaluated. Patients were placed into three groups: 1) the control group of patients with simple meniscus tears without ligament injury; 2) the primary noncontact ACL injury group; 3) ACL rerupture group (ACL reconstruction failure). The LFCR measured by MRI and other previous known risk factors associated with MRI (notch width index, medial tibial slope, lateral tibial slope, medial tibial depth, lateral tibial height) were performed to evaluate their predictive value for ACL injury and rerupture. All the risk factors with p < 0.01 according to univariate analysis were included in the logistic regression models. Receiver operating characteristic (ROC) curves were analyzed for sensitivity, specificity, cut-off, and area under the curve (AUC). Z tests were used to compare the AUC values. Results The LFCR measured by MRI was obviously higher in primary ACL injury group (0.628 ± 0.020) and in ACL rerupture group (0.625 ± 0.021) than that in the control group (0.593 ± 0.030). The best risk factor was the LFCR with a cut-off of 0.602 (AUC, 0.818; 95% CI, 0.748-0.878; sensitivity, 90%; specificity, 66%). When combined with lateral tibial slope (cutoff, 7°) and lateral tibial height (cutoff, 3.6 mm), the diagnostic performance was improved significantly (AUC, 0.896; 95% CI, 0.890-0.950; sensitivity, 87%; specificity, 80%). Conclusion The increased LFCR measured by MRI was associated with a significantly higher risk for ACL injury or rerupture. The combination of LFCR, lateral tibial slope and lateral tibial height were the most predictive risk factors. This may help clinicians identify susceptible individuals and allow precision approaches for better prevention, treatment and management of this disease.
Collapse
Affiliation(s)
- Yang Sun
- Department of Sports Medicine, The First People’s Hospital of Lianyungang, Lianyungang, China
| | - Yun Tang
- Department of Sports Medicine, The First People’s Hospital of Lianyungang, Lianyungang, China
- Clinical Research Center, The First People’s Hospital of Lianyungang, Lianyungang, China
| |
Collapse
|
7
|
Yang L, Xing S. Increased lateral femoral condyle ratio measured by MRI is associated with higher risk of solitary meniscus injury. Front Bioeng Biotechnol 2024; 12:1286967. [PMID: 38380265 PMCID: PMC10877371 DOI: 10.3389/fbioe.2024.1286967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Accepted: 01/09/2024] [Indexed: 02/22/2024] Open
Abstract
Background: Past studies found that an increased lateral femoral condyle ratio is associated with anterior cruciate ligament injuries, but it is not clear if there is a link between MRI-measured lateral femoral condyle ratios and meniscal injuries. MRI provides a more accurate selection of measurement planes. Compared to X-rays, it further reduces data errors due to non-standard positions. Objective: To study the relationship between knee bone morphology and Solitary meniscal injuries by MRI. Methods: A total of 175 patients were included in this retrospective case-control study, including 54 cases of pure medial meniscus injury, 44 cases of pure lateral meniscus injury as the experimental group, and 77 control subjects. MRI images were used to measure the femoral notch width, femoral condylar width, femoral notch width index, lateral femoral condylar ratio (LFCR), posterior tibial slope, medial tibial plateau depth, and meniscus slope. In addition, carefully check for the presence of specific signs such as bone contusions and meniscal extrusions. Comparing the anatomical differences in multiple bone morphologies between the two groups, a stepwise forward multifactorial logistic analysis was used to identify the risk factors for Solitary meniscal injuries. Finally, ROC curves were used to determine the critical values and best predictors of risk factors. Results: MTS, LTS, and LFCR ended up as independent risk factors for meniscus injury. Among all risk factors, LFCR had the largest AUC of 0.781 (0.714-0.848) with a threshold of 72.75%. When combined with MTS (>3.63°), diagnostic performance improved with an AUC of 0.833 (0.774-0.892). Conclusion: Steep medial tibial plateau slope, steep lateral tibial plateau slope angle, and deep posterior lateral femoral condyles on MRI are independent risk factors for meniscal injuries. In patients with knee discomfort with the above imaging findings (X-ray, MRI), we should suspect and carefully evaluate the occurrence of meniscal injuries. It not only provides a theoretical basis to understand the mechanism of meniscus injury but also provides theoretical guidance for the prevention of meniscus injury and the development of intervention measures. Level of evidence III.
Collapse
Affiliation(s)
- Lei Yang
- Department of North Sichuan Medical College, Nanchong, Sichuan, China
- Department of Orthopedics, Chengdu Fifth People’s Hospital, Chengdu, Sichuan, China
| | - Shuxing Xing
- Department of Orthopedics, Chengdu Fifth People’s Hospital, Chengdu, Sichuan, China
| |
Collapse
|