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Identifying Risk Factors from Preoperative MRI Measurements for Failure of Primary ACL Reconstruction: A Nested Case-Control Study with 5-Year Follow-up.
J Bone Joint Surg Am
March 2025
Department of Sports Medicine, Peking University Third Hospital, Beijing, People's Republic of China.
Background: Identifying patients at high risk for failure of primary anterior cruciate ligament reconstruction (ACLR) on the basis of preoperative magnetic resonance imaging (MRI) measurements has received considerable attention. In this study, we aimed to identify potential risk factors for primary ACLR failure from preoperative MRI measurements and to determine optimal cutoff values for clinical relevance.
Methods: Retrospective review and follow-up were conducted in this nested case-control study of patients who underwent primary single-bundle ACLR using hamstring tendon autograft at our institution from August 2016 to January 2018.
Axial rotation of the hinge axis can cause changes in coronal tibial alignment in anterior tibial closing wedge osteotomy in a 3D simulation model.
J Exp Orthop
January 2025
Department Trauma Surgery BG Unfallklinik Murnau Murnau German.
Purpose: Clinical evidence indicates that an unintended increase in the medial proximal tibial angle (MPTA) can occur during slope-reducing tibial osteotomies, which is most relevant in anterior cruciate ligament (ACL) deficient knees. Therefore, the purpose of this three-dimensional (3D) simulation study is to assess how axial or coronal hinge axis rotation affect alignment parameters in anterior tibial closing wedge osteotomies (ACWO). The hypothesis states that a neutral hinge axis (NHA) in ACWO prevents changes in coronal and axial alignment.
View Article and Find Full Text PDFPosterolateral Tibial Plateau Fractures in Adult Anterior Cruciate Ligament Avulsion Effect on Postoperative Knee Function.
Orthop Surg
March 2025
Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China.
Background: The impact of posterior lateral tibial plateau fractures (PLTPFs) on knee joint stability after anterior cruciate ligament (ACL) reconstruction has garnered widespread attention. However, limited literature exists on the co-occurrence of ACL tibial avulsion fractures (ACLAFs) and PLTPFs. The objective of this study is to investigate the prevalence of PLTPFs in adult ACLAF patients and assess the impact of concurrent PLTPFs on postoperative knee function.
View Article and Find Full Text PDFACL reconstruction success requires additional correction of tibial slope, rotational instability, and meniscus pathology: Meniscal repair failure increases knee rotational laxity.
Arthroscopy
March 2025
Department of Orthopedic Surgery, Midwest Orthopedics at Rush, Rush University Medical Center, Chicago, IL, USA. Electronic address:
The anterior cruciate ligament (ACL) and medial and lateral menisci are essential contributors of both anteroposterior (AP) and rotational knee stability. Multiple studies have shown both ACL-deficient knees lead to increased risk of meniscal injury, as well as multiple types of meniscal tears or deficiency leading to increased risk of ACL tear or ACL reconstruction (ACLR) failures. All amenable meniscal tears, such as red-red peripheral tears, radial tears, root tears, lateral meniscal oblique radial tears (LMORTs), and ramp lesions should be attempted to be repaired at time of ACLR.
View Article and Find Full Text PDFInternalBrace behaviour at different orientation placements during anterior cruciate ligament repair: a computational finite element simulation.
J ISAKOS
March 2025
Dom Henrique Research Centre, Porto, Portugal; Clínica Espregueira - FIFA Medical Centre of Excellence, Porto, Portugal; School of Medicine, University of Minho, Braga, Portugal; ICVS/3B's-PT Government Associate Laboratory, Braga/Guimarães, Portugal; 3B's Research Group - Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Barco, Guimarães, Portugal. Electronic address:
Objectives: InternalBrace™ technique (Arthrex, Naples, USA) has been applied in anterior cruciate ligament repairs in recent years as an alternative to the anterior cruciate ligament reconstruction, with several advantages. The present paper aimed to investigate the optimal location to place the InternalBrace during surgery to reduce the stress on the repaired anterior cruciate ligament.
Methods: In silico study of a finite element model of the knee and the anterior cruciate ligament was developed to test the position of the InternalBrace at the repaired anterior cruciate ligament.
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