A 22-year-old man with worsening hip pain was found to have chronic complete slippage of a previously pinned slipped capital femoral epiphysis (SCFE) and subsequent pseudoarthrosis between the femur and ilium. The deformity was successfully treated with total hip replacement. We report 13 months of […]

A 34-year-old man presented with bilateral locked posterior shoulder dislocations associated with proximal humerus fractures secondary to a tonic-clonic seizure. The patient underwent open reduction and internal fixation of both shoulders. At 1 year postoperatively, the patient exhibited […]

A 53-year-old, right-hand-dominant gentleman suffered a traumatic right scapulothoracic dissociation with severe soft tissue damage and complete right arm paralysis following a high-speed all-terrain vehicle accident. Subsequent burns led to digital amputations. He underwent elbow disarticulation […]

Peripheral entrapment neuropathy is a rare complication of rhabdomyolysis and lacks successful treatment. In this article, we report a case of sciatic neuropathy caused by piriformis rhabdomyolysis which was successfully treated with ultrasound-guided sciatic nerve hydrodissection. A 27-year-old […]

A healthy male infant presented with right upper extremity pseudoparalysis and fever 2 weeks after gastroenteritis caused by nontyphoidal Following hospitalisation for treatment of right deltoid pyomyositis caused by serovar Enteritidis with intravenous antibiotics, he was subsequently […]

Neurological dysfunction secondary to cobalt toxicity has been described as a potential complication of metal on metal (MoM) arthroplasty, however, to date the full extent of this association remains unclear. Currently, no national guideline on the management or follow-up of MoM arthroplasty […]

 Femoral retroversion (FR) is known to be a predisposing factor for femoro-acetabular impingement and is hypothesized to constitute a risk factor for early osteoarthritis of the hip. We performed a systematic review to comprehensively evaluate the evidence for FR being associated with hip […]

This study systematically compares the efficacy of different adjunctive therapies in enhancing microfracture (MF) treatment for osteochondral lesions of the talus (OLT) through a network meta-analysis, aiming to identify the optimal adjunctive therapy for microfracture./r/nA systematic search of […]

Knee synovial chondromatosis (SC) is a rare joint disorder involving loose cartilaginous bodies, leading to pain, swelling, and impaired function. Arthroscopy has become a primary treatment option, but its efficacy and recurrence rates remain debated. This systematic review evaluates the […]

Knee osteoarthritis (KOA) is a prevalent chronic joint disease. Due to the risks of opioid use and limited pharmacological effectiveness, mind-body exercise (MBE) therapy and other non-pharmacological interventions have emerged as first-line treatments for this condition. However, the optimal MBE […]

Osteoporosis is a prevalent metabolic bone disorder characterized by decreased bone mineral density and increased fracture risk, particularly among aging populations. While conventional pharmacological treatments exist, they often have adverse effects, necessitating the search for alternative […]

Despite increased youth and adolescent participation in fast-pitch softball and the reporting of upper extremity injuries, there remains a relative paucity of research examining shoulder and elbow injuries in high school and collegiate softball athletes./r/nTo evaluate the reported incidence, […]

Elbow medial ulnar collateral ligament (UCL) injuries have become increasingly common in athletes. Despite this, rehabilitation protocols appear to vary drastically, which may explain the clinical equipoise regarding optimal management./r/nThis systematic review reports rehabilitation […]

Robotic-assisted total knee arthroplasty (rTKA) offers a new method of surgical management for advanced arthritis of the knee. The objective of this review was to evaluate the current literature evidence comparing rTKA to conventional methods (cTKA) across multiple outcome measures./r/nPubMed was […]

A variety of criteria are used to make return to sport decisions after anterior cruciate ligament (ACL) reconstruction./r/nThis systematic review summarized and evaluated prognostic factors and clinical prognostic models for returning to sports after ACL reconstruction./r/nIndependent pairs of […]

After menopause, there is an imbalance between bone formation and resorption activity, which could lead to postmenopausal osteopenia or osteoporosis. Resistance training (RT) can induce mechanical stress on bone which is necessary for bone remodeling and angiogenic-osteogenic response. This […]

A 68-year-old woman underwent arthroscopic capsular release and manipulation under general anesthesia for adhesive capsulitis. Six hours postoperatively, she suffered an anterior glenohumeral joint dislocation with passive forward flexion while working with physical therapy. Postoperative workup […]

A 9-year-old boy fell off his skateboard, resulting in a supracondylar fracture of his left humerus. The fracture was surgically repaired on the same day using two Kirschner wires inserted from the medial and lateral sides. Following surgery, the patient developed ulnar nerve palsy, prompting […]

Peripheral nerve stimulation (PNS) has been recognized for its efficacy in treating various pain conditions. However, its application in anatomically unique patients, especially those with achondroplasia, is not well established./r/nWe describe a 30-year-old woman with achondroplasia suffering from […]

To observe the natural history of the disease and the radiographic evolution of growth and development in patients with metatropic dysplasia (MD) and to complement the spectrum of mutations in the transient receptor potential vanilloid 4 (TRPV4) gene and the spectrum of MD phenotypes./r/nWe report […]

Effects of Computer Navigation and Patient-Specific Instrumentation on Outcomes of Primary TKR

Episode 80: Weight Loss Before Total Hip Arthroplasty

Total knee arthroplasty in the setting of multiple previous skin incisions can be a complex clinical scenario for the arthroplasty surgeon. Inappropriate incision choice can lead to devastating complications such as skin necrosis and its sequelae, including periprosthetic joint infection and the […]

The acetabulum exhibits an irregular anatomical structure with a dense concentration of critical blood vessels and nerves in its vicinity. Acetabular fractures accompanied by periarticular soft tissue injuries may lead to life-threatening complications. The Letournel-Judet classification system is […]

With the advent of new classification systems and surgical options, clarification is needed regarding the most effective surgical management for refractory patellar tendinopathy (PT). The objective of this systematic review is to investigate outcomes of surgical management of refractory […]

The present systematic review evaluated the current level of I evidence on continuous femoral nerve block (FNB) as pain management following total knee arthroplasty (TKA), comparing different drugs./r/nThis study followed the 2020 PRISMA guidelines. PubMed, Embase and Web of Science were accessed […]

Myhre syndrome is a rare disorder caused by pathogenic gain-of-function variants in the SMAD4 gene. Most of the patients have had de novo variants. There are several instances of autosomal dominant inheritance, and penetrance appears to be complete. We describe seven Brazilian patients, three of […]

Periprosthetic infections pose a devastating complication in skeletally immature patients treated for an orthopaedic oncological condition. Reconstructive approaches to revision procedures are often limited, and many cases still require amputation./r/nIn this report, we present our unique […]

Radiocarpal dislocation (RCD) is a rare but severe injury, often resulting from high-energy trauma such as motor vehicle accidents and falls. This study aims to synthesize existing case reports and series to provide insights into the epidemiology, associated injuries, and management strategies for […]

Post-traumatic distal tibiofibular synostosis (DTFS) is a rare complication following distal tibiofibular fracture treatment in pediatric patients. Hence, there is a paucity of literature on the management of DTFS. DTFS can lead to ankle pain, ankle valgus, fibular shortening, and can alter the […]

Acute lower limb trauma with bone loss is an uncommon occurrence. Injuries of this nature typically result from high-energy trauma and can result in significant functional impairment, with the potential for amputation.Nonetheless, it is recommended that salvage reconstructive procedures be […]

We describe a case of an aggressive proximal humerus aneurysmal bone cyst (ABC) mimicking telangiectatic osteosarcoma with complete remodelling and reconstitution of the bone. A boy in middle childhood presented with a pathological fracture preceded by progressive right shoulder pain and swelling. […]

Professor Changjun Li and his colleagues at Xiangya Hospital of Central South University have published a research paper titled "Mechanical protein polycystin-1 directly regulates osteoclastogenesis and bone resorption" in Science Bulletin.

A new anti-osteoporosis drug has just been approved for use in the UK. The drug, called abaloparatide, is licensed for post-menopausal women with osteoporosis and a very high risk of fractures. Abaloparatide's approval could benefit more than 14,000 women in the UK who are at serious risk of bone […]

First light field-enabled surgical technology company secures additional institutional capital to drive adoption of its AI-driven platform SEATTLE, July 27, 2023 /PRNewswire/ — Proprio, a Seattle-based surgical technology company, today announced that it has secured $43 million in Series B […]

JERSEY CITY, N.J., July 24, 2023 /PRNewswire/ — EpiBone has received Investigational New Drug (IND) clearance from the FDA to begin testing its lab-grown knee cartilage in humans. The treatment, known as an engineered allogenic osteochondral graft, has shown promise in pre-clinical studies and […]

November 2022 myAO is running a Christmas Clinical Case Competition across the 5 clinical divisions! Participate and win the chance to have your clinical case featured on the AO website, myAO blog and on the Clinical Case Roundup that will be sent in January to the myAO users with interests related […]

September 2022 Designed over the last few months with surgeons from the AO network and thanks to community feedback, myAO is very excited to announce the release of CaseFolio this September—your secure, on-the-go clinical portfolio. The post Casefolio, your secure, on-the-go clinical portfolio […]