Mechanically Aligned Second-Generation Medial Pivot Primary Total Knee Arthroplasty Does Not Reproduce Normal Knee Biomechanics: A Gait Analysis Study.

This study aimed to evaluate post-operative lower limb function following second-generation mechanically aligned medial pivot (MP) TKA implantation. Standard gait analysis was performed to collect kinematic and kinetic data, which were then compared with physiological data from the literature obtained using the same evaluation methodology as the present study. The hypothesis was that this TKA would not fully restore normal knee and adjacent joint motion during walking.

Do First Ray-Related Angles Change following Subtalar Arthroereisis in Pediatric Patients? A Radiographic Study.

Introduction: Subtalar Arthroereisis (STA) is a surgical intervention for pediatric flexible flatfoot (PFF), primarily targeting hindfoot alignment by limiting excessive subtalar eversion. However, its effects on forefoot parameters remain underexplored. This study aims to investigate radiological changes following STA in pediatric patients.

The use of an Intra-medullary fusion system in hammer toe surgery; mid-term follow-up.

Objectives: To assess the efficacy of a new hammer-toe locking fusion system.

Methods: The retrospective study was conducted at Kutahya Evliya Çelebi Education and Research Hospital, and comprised data from March 2014 to January 2017 of patients of either gender with hammer toe deformity. The American Orthopaedic Foot and Ankle Society and visual analogue scale scoring systems were used.

The added value of the visual analysis of DWI in post-surgery follow-up of soft tissue sarcoma of the extremities: do we really need ADC?

Introduction: MRI has a fundamental role in the follow-up of soft tissue sarcomas (STSs). However, the differentiation of recurrences/residual disease from post-surgical changes is a complex task, with a central role for the radiologist.

Materials And Methods: We retrospectively evaluated 64 post-surgery MRI for extremities STSs.

Particularities on Anatomy and Normal Postsurgical Appearances of the Knee.

Detailed knowledge of anatomy helps to understand pathologic processes. This article focuses on the anatomy and functionality of the knee, with emphasis on recently studied concepts and anatomic features that have an association with the development of pathology. The most common anatomic variants posing a challenge for diagnosis and other common findings in asymptomatic patients are reviewed.

The effect of a supervised online group exercise program on symptoms associated with patellofemoral pain syndrome in women.

Background: Patellofemoral pain syndrome (PFPS) is one of the musculoskeletal system pathologies frequently encountered especially in women.

Objective: The aim of the current study was to compare the efficacy of an online exercise program with a home exercise program including the same exercises, and a control group planned for females with PFPS.

Methods: The study included 60 females with PFPS aged 33.

Bilateral Knee Arthroplasty in Patients Affected by Windswept Deformity: A Systematic Review.

Background: "Windswept" deformity (WSD) consists of a non-frequent condition in which the patient presents a valgus deformity in one knee and a varus deformity in the other. We performed a review of the available literature to aggregate the accessible data on the outcomes of bilateral knee arthroplasty in patients with WSD and to discuss the surgical challenges that this condition might pose.

Methods: A systematic review of the literature following the PRISMA guidelines was conducted.

Titanium modular stems in total hip arthroplasty due to developmental dysplasia: a registry comparison with single-taper implants.

Introduction: The routine use of proximal femoral modularity was discouraged in total hip arthroplasties (THAs). However, titanium dual-taper (DT) implants may provide some advantages over single-taper (ST) stems in cases of complex deformity. A registry study comparing ST and DT stems in dysplasia was designed, aiming to assess: (1) survival rates at long-term; (2) reasons for revision; (3) the profile of failed implants.

Tibial tubercle avulsion fracture during sport activities in adolescent: a case report.

Background And Aim Of Work: Tibial tubercle avulsion fractures (TTAF) are uncommon condition in children and adolescents. These lesions may be misdiagnosed and consequently not properly treated. Reduction and fixation is indicated if displacement is higher than 2mm or if the extensor apparatus is damaged.

Osteocondritis dissecans lesions of the knee restored by bone marrow aspirate concentrate. Clinical and imaging results in 18 patients.

Background: Osteochondritis dissecans (OCD) is a common cartilage disorder that specifically affects the knees of skeletally immature and young adult patients. There have been a few treatments that have been proposed: fixation of the fragment, drilling, microfractures. The aim of this study was to analyze retrospectively clinical and imaging results obtained by treating it with one-step bone marrow-derived cells Transplantation (BMDCT) technique.

Evaluation of biocompatibility, osteointegration and biomechanical properties of the new Calcemex® cement: An in vivo study.

The mixture of polymethylmethacrylate (PMMA) and β-tricalciumphospate (β-TCP) is the most widely used bone graft. Common features of bone cement are the biocompatibility, bioactivity, mechanical stability and ability to fuse with the host's bone tissue. However, there are still few studies that have evaluated these characteristics in vivo.

Biocompatibility assessment of biomaterials used in orthopedic devices: An overview (Review).

Biocompatibility is one of the mandatory requirements for the clinical use of biomaterials in orthopedics. It refers to the ability of a biomaterial to perform its function without eliciting toxic or injurious effects on biological systems but producing an appropriate host response in a specific case. Today, the biocompatibility concept includes not only bio-inertia, but also biofunctionality and biostability.

Arthroscopic utilization of ChondroFiller gel for the treatment of hip articular cartilage defects: a cohort study with 12- to 60-month follow-up.

ChondroFiller gel is an absorbable collagen implant. It serves as a protective cover for the cartilage defects, allowing chondrocyte migration into the lesion. The implant consists of collagen (Type I) and is derived from veterinary monitored rats.

Ligamentum teres reconstruction with labrum and capsule repair after posterior acetabular wall fracture: a case report.

The aim of this case study is to present arthroscopic treatment of recurrent hip instability after acute post-traumatic posterior hip dislocation with a fracture of the posterior acetabular wall. A male patient aged 35 suffered a dislocation of the right hip joint with a fracture of the posterior acetabular wall due to an accident. The fracture was stabilized during emergency surgery with a locking compression plate, and the patient was released home in a hip brace.

Fibromyalgia syndrome - a risk factor for poor outcomes following orthopaedic surgery: A systematic review.

Background: Fibromyalgia (FM) is a complex syndrome incorporating many features associated with poor outcome in orthopaedic surgery. Aim of the present review was to comprehensively characterize the available evidence on the consequences of pre-existent FM on the outcomes of orthopaedic surgery.

Methods: We performed a systematic search in MedLine and Web of Science (WOS) to identify studies evaluating the effect of FM on patient-centred outcomes, opioids consumption and postoperative complications.

In Vitro Effects of Low Doses of β-Caryophyllene, Ascorbic Acid and d-Glucosamine on Human Chondrocyte Viability and Inflammation.

β-caryophyllene (BCP), a plant-derived sesquiterpene, has been reported to have anti-inflammatory and antioxidant effects. The purpose of this study is to evaluate the effects of BCP in combination with ascorbic acid (AA) and d-glucosamine (GlcN) against macrophage-mediated inflammation on in vitro primary human chondrocytes. Changes in cell viability, intracellular ROS generation, gene expression of pro-inflammatory mediators, metalloproteinases (MMPs), collagen type II and aggrecan were analyzed in primary human chondrocytes exposed to the conditioned medium (CM) of activated U937 monocytes and subsequently treated with BCP alone or in combination with AA and GlcN.

Distal tibial fractures treated with intramedullary nailing: management of associated posterior and medial malleolar injuries.

Introduction: Articular tibial ankle injuries may occur in association with distal tibial fractures, especially in those characterized by spiral or oblique shape. These lesions are often misdiagnosed and overlooked with significant biomechanical and clinical consequences. The purpose of this study was to evaluate the outcomes of patients affected by posterior and medial malleolar ankle fractures associated with distal tibial fracture who underwent intramedullary nailing at a follow-up of 3 years.

High energy trauma with complex fracture of the right tibial plateau, compartment syndrome and infection in a professional freestyler motorcyclist.

High-energy tibial plateau fractures are complex lesions that may be associated with extensive soft tissue damages and severe complications, such as compartment syndrome and neurological injuries. This case report interests a professional motocross freestyler with complex tibial plateau fracture associated to compartment syndrome and partial common peroneal nerve impairment which complicated with a dehiscence of the surgical wound and infection after plate and screws fixation. One year later, despite the complexity of the fracture, the gravity of the soft tissue lesions and subsequent complications, the patient healed.

Medium- to long-term clinical and functional outcomes of isolated and combined subscapularis tears repaired arthroscopically.

Introduction: The purpose of this study was twofold. First, the efficacy of arthroscopic repair in patients with full thickness, isolated subscapularis tendon tears (I-STTs) or combined subscapularis tendon tears (C-STTs) involving the rotator cuff tendons was evaluated. Second, the outcomes between these two groups were compared.

Hamstrings substitution via anteromedial portal with optional anterolateral ligament reconstruction is the preferred surgical technique for anterior cruciate ligament reconstruction: a survey among ESSKA members.

Purpose: The objective of this study was to report on a worldwide web-based survey among the ESSKA community developed to investigate current recommendations regarding ACL reconstruction surgical procedures.

Methods: All contacts in the official mailing list of the ESSKA were contacted to investigate preferences regarding graft type, anterolateral ligament reconstruction, femoral tunnel drilling technique, single-bundle vs double-bundle technique, femoral and tibial fixation methods.

Results: Eight-hundred and twenty responses were analyzed.

Role of pulsed electromagnetic fields after joint replacements.

Although the rate of patients reporting satisfaction is generally high after joint replacement surgery, up to 23% after total hip replacement and 34% after total knee arthroplasty of treated subjects report discomfort or pain 1 year after surgery. Moreover, chronic or subacute inflammation is reported in some cases even a long time after surgery. Another open and debated issue in prosthetic surgery is implant survivorship, especially when related to good prosthesis bone ingrowth.

Medial epicondyle avulsion after elbow dislocation in an adolescent non-professional soccer player treated with a cannulated screw: a case report.

Background And Aim Of The Work: Medial epicondyle fractures of the humerus account for 11-20% of all elbow injuries in children and in 30-55% of cases they are associated with an elbow dislocation. Undisplaced fractures are usually treated conservatively but literature is controversial regarding the treatment of displaced fractures (≥5mm) in paediatric fractures. In recent years, there is an emerging consensus that such patients may benefit more from open reduction and internal fixation.

Functional progression milestones following anterior cruciate ligament reconstruction are more appropriate than time-based criteria: a survey among the ESSKA.

Purpose: The aim of this study was to report current rehabilitation recommendations after ACL reconstruction in ESSKA community, with a particular focus on the specific criteria utilized to guide activity progression METHODS: A web-based survey was developed to investigate preferences between time-based and functional ACL reconstruction rehabilitation progression milestones of ESSKA community.

Results: Eight hundred and twenty completed questionnaires were received. Responders were from 86 different countries worldwide, 63% of them from European countries.