Introduction: Femoral and tibial morphology posted as anatomical risk factors for ACL injuries. Samora et.al found out that a decreased BIA was associated with ACL rupture. Alentorn-Geli et al. found that the angle be...Introduction: Femoral and tibial morphology posted as anatomical risk factors for ACL injuries. Samora et.al found out that a decreased BIA was associated with ACL rupture. Alentorn-Geli et al. found that the angle between the Blumensaat line and the anterior tibial slope (BATS angle) was significantly greater in men with ACL injury. However, other authors were not able to reproduce the similar findings. Our study aimed to determine the Blumensaat inclination angle (BIA) and angle between Blumensaat line and tibial slope (BATS) in patients with or without anterior cruciate ligament injury. We also explored the factors influence them. Method: We elavuated 142 MRI knee done in Hospital Sultan Ismail from January 2017 to November 2020. Study group was patient with ACL injuries, with or without meniscus and cartilage injuries. Control group was patient with no ACL injuries. 57 patients with history of fracture around the knee joint, multiligamentous injuries, inflammatory arthritis and tumour were excluded from the study. We recorded their age, gender, BIA, and BATS angle. BIA and BATS angle were measured in sagittal plane MRI as described by Koji Iswasaki et al. and Alentorn-Geli et al. Result: 54 patients were in study group and 31 years in control group. The mean age for study group was 32.7 (8.95) year old, and for control group was 42.5 (14.54). The mean BIA for study group was 36.20 (4.542) degree, and control group was 37.25 (4.941). The mean BATS for study group was 36.33 (5.78) degree, and control group was 25.26 (6.047) degree. BIA and BATS angle did not differ in both groups, age and gender. Conclusion: Our study did not show BIA and BATS angle as an anatomical risk factor for ACL injuries. Age and gender did not affect these angles.展开更多
Background Recently, increasing number of literature has identified the posterior tibial slope （PTS） as one of the risk factors of primary anterior cruciate ligament （ACL） injury. However, few studies concerning t...Background Recently, increasing number of literature has identified the posterior tibial slope （PTS） as one of the risk factors of primary anterior cruciate ligament （ACL） injury. However, few studies concerning the association between failure of ACL reconstruction （ACLR） and PTS have been published. The objective of this study was to explore the association between the failure of ACLR and PTS at a minimum of two years follow-up. Methods Two hundred and thirty eight eligible patients from June 2009 to October 2010 were identified from our database. A total of 20 failure cases of ACLR and 20 randomly selected controls were included in this retrospective study. The demographic data and the results of manual maximum side-to-side difference with KT-1000 arthrometer at 30°of knee flexion and pivot-shift test before the ACLR and at the final follow-up were collected. The medial and lateral PTSs were measured using the magnetic resonance imaging （MRI） scan, based on Hudek＇s measurement. A comparison of PTS between the two groups was performed. Results The overall failure rate of the present study was 8.4%. Of the 40 participants, the mean medial PTS was 4.1°±3.2°and the mean lateral PTS was 4.6°±2.6°. The medial PTS of the ACLR failure group was significantly steeper than the control group （3.5°±2.5° vs. 6.1°±2.1°, P=0.000）. Similarly, the lateral PTS of the ACLR failure group was significantly steeper than the control group （2.9°±2.1 °vs. 5.5°±3.0°, P=0.006）. For medial PTS ≥5°, the odds ratio of ACLR failure was 6.8 （P=0.007）; for lateral PTS ≥5°, the odds ratio of ACLR failure was 10.8 （P=0.000）. Conclusion Both medial and lateral PTS were significantly steeper in failures of ACLR than the control group. Medial or lateral PTS ≥5° was a new risk factor of ACLR failure.展开更多
文摘Introduction: Femoral and tibial morphology posted as anatomical risk factors for ACL injuries. Samora et.al found out that a decreased BIA was associated with ACL rupture. Alentorn-Geli et al. found that the angle between the Blumensaat line and the anterior tibial slope (BATS angle) was significantly greater in men with ACL injury. However, other authors were not able to reproduce the similar findings. Our study aimed to determine the Blumensaat inclination angle (BIA) and angle between Blumensaat line and tibial slope (BATS) in patients with or without anterior cruciate ligament injury. We also explored the factors influence them. Method: We elavuated 142 MRI knee done in Hospital Sultan Ismail from January 2017 to November 2020. Study group was patient with ACL injuries, with or without meniscus and cartilage injuries. Control group was patient with no ACL injuries. 57 patients with history of fracture around the knee joint, multiligamentous injuries, inflammatory arthritis and tumour were excluded from the study. We recorded their age, gender, BIA, and BATS angle. BIA and BATS angle were measured in sagittal plane MRI as described by Koji Iswasaki et al. and Alentorn-Geli et al. Result: 54 patients were in study group and 31 years in control group. The mean age for study group was 32.7 (8.95) year old, and for control group was 42.5 (14.54). The mean BIA for study group was 36.20 (4.542) degree, and control group was 37.25 (4.941). The mean BATS for study group was 36.33 (5.78) degree, and control group was 25.26 (6.047) degree. BIA and BATS angle did not differ in both groups, age and gender. Conclusion: Our study did not show BIA and BATS angle as an anatomical risk factor for ACL injuries. Age and gender did not affect these angles.
文摘Background Recently, increasing number of literature has identified the posterior tibial slope （PTS） as one of the risk factors of primary anterior cruciate ligament （ACL） injury. However, few studies concerning the association between failure of ACL reconstruction （ACLR） and PTS have been published. The objective of this study was to explore the association between the failure of ACLR and PTS at a minimum of two years follow-up. Methods Two hundred and thirty eight eligible patients from June 2009 to October 2010 were identified from our database. A total of 20 failure cases of ACLR and 20 randomly selected controls were included in this retrospective study. The demographic data and the results of manual maximum side-to-side difference with KT-1000 arthrometer at 30°of knee flexion and pivot-shift test before the ACLR and at the final follow-up were collected. The medial and lateral PTSs were measured using the magnetic resonance imaging （MRI） scan, based on Hudek＇s measurement. A comparison of PTS between the two groups was performed. Results The overall failure rate of the present study was 8.4%. Of the 40 participants, the mean medial PTS was 4.1°±3.2°and the mean lateral PTS was 4.6°±2.6°. The medial PTS of the ACLR failure group was significantly steeper than the control group （3.5°±2.5° vs. 6.1°±2.1°, P=0.000）. Similarly, the lateral PTS of the ACLR failure group was significantly steeper than the control group （2.9°±2.1 °vs. 5.5°±3.0°, P=0.006）. For medial PTS ≥5°, the odds ratio of ACLR failure was 6.8 （P=0.007）; for lateral PTS ≥5°, the odds ratio of ACLR failure was 10.8 （P=0.000）. Conclusion Both medial and lateral PTS were significantly steeper in failures of ACLR than the control group. Medial or lateral PTS ≥5° was a new risk factor of ACLR failure.
