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Impact of walking on knee articular cartilage T2 values estimated with a dictionary-based approach - A pilot study.
Radiography (Lond)
November 2024
Centro Hospitalar Universitário de Santo António, Unidade Local de Saúde de Santo António, Orthopedic Department, Porto, Portugal; ICBAS, School of Medicine and Biomedical Sciences, University of Porto, Portugal. Electronic address:
Article Synopsis
- Walking is important for the health of knee articular cartilage, but traditional MRI methods don't effectively detect early changes in cartilage composition due to exercise.
- This study involved seven healthy volunteers, who had MRI scans of their knees before and after a 9-minute treadmill walk, to assess whether a quantitative T2 mapping technique could identify changes in cartilage related to water content.
- The results showed that walking significantly increased T2 values in the knee cartilage, indicating changes in hydration that could be used for early detection of cartilage issues, particularly useful for at-risk patients.
The Outcome of Corrective Transverse Osteotomy in Paediatric Tibia Vara.
Strategies Trauma Limb Reconstr
August 2024
Department of Orthopaedics, Faculty of Medicine and Health Sciences, Universiti Malaysia Sarawak, Sarawak, Malaysia.
Article Synopsis
- Tibia vara is a rare condition where the upper part of the shin bone (tibia) has three unusual shapes, and surgery is used to fix it.
- This study looked at eight kids who had surgery to straighten their tibias and measured their leg angles before and after surgery, even checking back one year later.
- The results showed that the surgery helped a lot, as the angles of the shin bones improved, making the kids' legs straighter and their daily activities easier.
An Insert Goniometer Can Help Select the Optimal Insert Thickness When Performing Kinematically Aligned Total Knee Arthroplasty with a Medial 1:1 Ball-in-Socket and Lateral Flat Surface Insert and Posterior Cruciate Ligament Retention.
Bioengineering (Basel)
September 2024
Department of Biomedical Engineering, Department of Mechanical Engineering, Department of Orthopaedic Surgery, University of California at Davis, One Shields Avenue, Davis, CA 95616, USA.
Current surgical practices in total knee arthroplasty (TKA) have advanced and include significant changes and improvements in alignment philosophies, femorotibial implant conformities, and ligament management to replicate in vivo knee kinematics. While corrective measures have emphasized sagittal plane alignment to restore normal flexion-extension (F-E) motion and coronal plane ligament balance, internal-external (I-E) rotation kinematics in the axial plane have been largely neglected. Recent in vivo evidence indicates that the combination of factors necessary to closely restore native tibial rotation as the knee flexes and extends is kinematic alignment (KA), which resurfaces the patient's pre-arthritic knee without releasing ligaments, an insert with medial 1:1 ball-in-socket conformity and a lateral flat surface, and posterior cruciate ligament (PCL) retention.
View Article and Find Full Text PDFHigh accuracy in lower limb alignment analysis using convolutional neural networks, with improvements needed for joint-level metrics.
Knee Surg Sports Traumatol Arthrosc
September 2024
Department of Trauma Surgery, BG Trauma Center Murnau, Murnau, Germany.
Objective: Evaluation of long-leg standing radiographs (LSR) is a standardised procedure for analysis of primary or secondary deformities of the lower limbs. Deep-learning convolutional neural networks (CNN) offer the potential to enhance radiological measurement by increasing reproducibility and accuracy. This study aims to evaluate the measurement accuracy of an automated CNN-based planning tool (mediCAD® 7.
View Article and Find Full Text PDFMedial open wedge high tibial osteotomy is a viable option in young patients with advanced arthritis in a long-term follow-up.
Knee Surg Sports Traumatol Arthrosc
September 2024
Department of Orthopaedic Surgery, School of Health Sciences, Faculty of Medicine, University of Thessaly, Mezourlo, Greece.
Purpose: This study aimed to evaluate the long-term outcomes of medial open wedge high tibial osteotomy (MOWHTO) as a treatment option for advanced medial compartment knee osteoarthritis (OA) Kellgren-Lawrence (K-L) III and IV.
Methods: Patients with severe medial compartment arthritis, who underwent MOWHTO with locking plate between 2003 and 2015, were retrospectively reviewed. A locking plate for the osteotomy was utilized.
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