- Isolated spinal osteomyelitis caused by Nocardia farcinica in an immunocompetent patient: A case report and literature review.on September 16, 2025
Nocardia spp. are opportunistic pathogens that invade the human body via respiratory inhalation or direct skin wounds. Spinal nocardial osteomyelitis is a rare disease with only a few cases reported to date. To the best of our knowledge, this is the second case of spinal osteomyelitis caused by […]
- Swelling Management in Total Knee Arthroplasty: A Systematic Review.on September 16, 2025
Postoperative swelling is a common complication after total knee arthroplasty (TKA), associated with pain, limited mobility, and delayed recovery. This study aimed to systematically review the literature on interventions that reduce postoperative swelling, categorized into preoperative, […]
- Comparative analysis of facial nerve outcomes in petroclival versus posterior petrous meningioma surgery: A systematic review and meta-analysis of 2884 patients.on September 16, 2025
Even conservative resection of petroclival (PC) and posterior petrous (PP) meningiomas may cause facial nerve (FN) morbidities. While inconsistent classifications by tumor's dural origin circulate among different cohorts, a comprehensive assessment of postoperative FN outcomes is lacking. We […]
- Stereotactic radiosurgery for intracranial and spinal adenoid cystic carcinoma: systematic review and illustrative case presentation.on September 16, 2025
Adenoid cystic carcinoma (ACC) is a rare, aggressive malignancy with a predilection for perineural spread and distant metastases. Given the limited but emerging evidence on the role of stereotactic radiosurgery (SRS) in managing intracranial and spinal ACC, a systematic review was deemed necessary […]
- Digital Innovations in Orthognathic Surgery: A Systematic Review of Virtual Surgical Planning, Digital Transfer, and Conventional Model Surgery.on September 16, 2025
Orthognathic surgery has evolved due to the use of virtual surgical planning (VSP) and digital model surgery, which are technological advancements replacing conventional approaches with accurate personalised digital models made from computed tomography (CT) or magnetic resonance imaging (MRI) […]
- Applications of Machine Learning in Image Analysis to Identify Craniosynostosis: A Systematic Review and Meta-Analysis.on September 16, 2025
Craniosynostosis is a condition characterised by the premature fusion of cranial sutures, which can lead to significant neurodevelopmental and aesthetic issues if not diagnosed and treated early. This study aimed to systematically review and conduct a meta-analysis of studies utilising machine […]
- Bilateral Unfused Medial Process of Calcaneal Apophysis associated with Lower Extremity Malalignment: A Case Report.on September 16, 2025
The calcaneal apophysis develops through a complex ossification process during childhood growth, with multiple secondary ossification centers emerging in distinct temporal and spatial patterns. Its ossification patterns, fusion process, and associated pediatric injuries and osteochondral conditions […]
- Management of pott's puffy tumor: a Delphi-method international clinical consensus statement.on September 16, 2025
Pott's puffy tumor (PPT) is a rare and complex condition that requires a comprehensive diagnostic approach and multi-faceted treatment strategy. It is associated with a significant risk of intracranial complications. The purpose of this clinical consensus statement (CCS) is to systematically assess […]
- Box-and-1 Suture Augmented Transosseous Patellar Tendon Repair.on September 16, 2025
Patellar tendon ruptures resulting in extensor mechanism disruption are typically treated with surgical repair. This case involved a 53-year-old man with an acute right patellar tendon rupture sustained during a basketball game. This review describes the standard transosseous primary repair using […]
- Technical Trick: Coronoid Fracture "Lasso" Repair Using Arthroscopic Instrumentation in Terrible Triad Injuries With Fixable Radial Head Fractures.on September 16, 2025
A single-stage operative repair of terrible triad injuries through a laterally-based approach using arthroscopic instrument-assisted reduction of the coronoid fracture in cases in which the radial head is deemed appropriate for repair rather than arthroplasty is described in this technical trick. […]
- Open Reduction of a Posteriorly Locked Shoulder Dislocation: A Case Example.on September 16, 2025
Posterior shoulder dislocations are uncommon but pose diagnostic and treatment challenges, particularly when locked due to humeral head impaction or soft tissue interference. These cases often necessitate surgical intervention, especially when locked or associated with recurrent instability or bony […]
- Kirschner wires combined with elastic tape for multilayer tension-reducing repair of a large stage 4 pressure injury of the greater trochanter: a case report.on September 16, 2025
Pressure injuries are common, difficult to manage, and carry a high economic burden. They are challenging to physicians and a burden to society./r/nAn 89-year-old male, who had previously undergone internal fixation with screws and rods for a right intertrochanteric fracture, developed a deep […]
- Modified Subvastus Approach to the Medial Distal Femur: Cadaveric Dissection.on September 16, 2025
This review describes a modified technique for the surgical management of a displaced medial femoral condyle fracture in a 22-year-old man after a motorcycle accident. This case involved an open reduction and the use of a medial buttress plate to restore joint congruity and reduce the risk of varus […]
- Bidirectional association between cognitive impairment and bone mineral density reduction in aging populations: A systematic review and meta-analysis of osteoporosis, osteopenia, and bone mineral content.on September 16, 2025
Osteoporosis is a skeletal disorder characterized by reduced bone mineral density (BMD), increasing fracture risk. Cognitive disorders (CD), including Alzheimer's disease, dementia, and mild cognitive impairment (MCI), cause cognitive decline and are prevalent among older adults. This systematic […]
- A Pain in the Back of the Ankle! Posterior Ankle Impingement.on September 16, 2025
Posterior ankle impingement (PAI) is the result of bony or soft tissue abnormalities in the posterior region of the ankle directly behind the talus. Os trigonum, an accessory bone resulting from failure of complete mineralization, and the Stieda process, an elongated process of the posterolateral […]
- Selective Upper-Trunk and Axillary Nerve Block for Awake Shoulder Arthroscopy in a Pulmonary Compromised Patient: A Case Report.on September 16, 2025
A 48-year-old man with a superior labral tear and medical history including hemidiaphragmatic paresis, obstructive sleep apnea, vocal cord paresis, and glottic narrowing, underwent arthroscopic biceps tenodesis. Reduction in respiratory function presented anesthetic management challenges with […]
- A frameshift mutation in the PRG4 gene causing camptodactyly-arthropathy-coxa vara-pericarditis syndrome: a case report.on September 16, 2025
Camptodactyly-arthropathy-coxa vara-pericarditis syndrome (CACP) is an example of a rare non-inflammatory familial arthropathy inherited in an autosomal recessive manner. The proteoglycan 4 (PRG4) gene, located on chromosome 1q25-q31, is responsible for encoding a lubricating glycoprotein found in […]
- Tuberculosis tenosynovitis in the wrist: a case report.on September 16, 2025
Articular tuberculosis is a rare condition, with extrapulmonary presentations most commonly appearing in joints such as the hip or knee. It is usually associated with conditions like immunosuppression or a history of pulmonary tuberculosis. Diagnosis involves imaging or pathology, and treatment […]
- Teres major rupture: case report in a jiu-jitsu athlete.on September 16, 2025
The rupture of the teres major muscle is a well-known condition in sports activities like baseball, hockey, and tennis. There is no real consensus in the literature regarding treatment, with approaches varying between functional and surgical methods. While functional treatment appears to be a […]
- Femur rotational alignment in total knee arthroplasty: Delphi consensus statements from European knee society (EKS).on September 16, 2025
Proper rotational alignment of the femur components represents one of the key factors for the functional outcome of patients after total knee arthroplasty (TKA). Recent 3-D imaging data have shown a wide variability of the distal femur bony anatomy in the axial plane. The identification and […]
- The Copenhagen Adduction Exercise Effect on Sport Performance and Injury Prevention: A Systematic Review With Meta-Analysis.on September 16, 2025
The popularity of the Copenhagen Adduction Exercise (CAE) has risen in recent years. This review aims to evaluate the available evidence on the isolated use of the CAE for both performance enhancement and injury prevention. This systematic review included prospective interventional studies […]
- AO Trauma Fellows NA Webinar—Scapula & Glenoid Fractureson September 10, 2025
AO Trauma Fellows NA Webinar—Scapula & Glenoid Fractures
- Disc Herniation Affecting C7 Nerve Rooton September 10, 2025
Disc Herniation Affecting C7 Nerve Root
- AO Trauma NA Journal Club Series— Module #4 Part 2: Periprosthetic Proximal Femur Fractureson September 9, 2025
AO Trauma NA Journal Club Series— Module #4 Part 2: Periprosthetic Proximal Femur Fractures
- Foot Drop Slap Gait Steppage Gaiton September 9, 2025
Foot Drop Slap Gait Steppage Gait
- Comparison of Unicompartmental Knee Arthroplasty Versus High Tibial Osteotomy for Medial Knee Osteoarthritis: An Updated Meta-Analysis of 56,000 Patients.on September 8, 2025
Osteoarthritis (OA) is a prevalent degenerative joint disease primarily affecting hip and knee joints, with an estimated 300 million cases globally. This study is crucial as it provides an updated, comprehensive comparison of unicompartmental knee arthroplasty (UKA) and high tibial osteotomy (HTO) […]
- Resorbable Bio-Inductive Collagen Implant for Rotator Cuff Repair: What We Know, What We Need to Know, and the Path Forward.on September 8, 2025
Rotator cuff injuries are a leading cause of shoulder dysfunction, where bio-inductive collagen implants have demonstrated promising results in promoting tendon regeneration and reducing retear rates. However, existing evidence lacks consistent evaluation across varying follow-up durations, while […]
- FDG PET/CT Image of Symmetric Tendon Xanthoma.on September 8, 2025
Tendon xanthoma is very rare. We report FDG PET/CT findings of tendon xanthoma in a 33-year-old man. On FDG PET/CT image, it manifested as multiple symmetric nodules with an SUVmax of 9.37, located in the tendons of both elbows, knees and ankles. The final pathology supported a diagnosis of a […]
- Retention of the infrapatellar fat pad does not influence the outcome of total knee arthroplasty: a systematic review.on September 8, 2025
To improve patient satisfaction after total knee arthroplasty (TKA), retention of the infrapatellar fat pad (IPFP) is advocated./r/nRecently published literature identified from PubMed, EMBASE, Scopus, and Google Scholar./r/nTKA is routinely performed in patients with end-stage joint […]
- Caring for a Patient with Inoperable Hip Fracture.on September 1, 2025
Hip fractures pose significant challenges, particularly in managing severe incident pain in people who are not fit for surgery. We present the case of an older man with multiple comorbidities who was managed non-operatively. Standard opioids caused sedation with limited pain relief. […]
- Salvage Surgery with Iliac Wing Autograft Following Total Calcanectomy for Calcaneal Chondrosarcoma.on September 1, 2025
Primary malignancies originating in the calcaneus are rare, constituting fewer than 1% of skeletal tumors. Traditional approaches like amputation, though effective, result in significant morbidity. This study presents a case of a 32-year-old male with calcaneal chondrosarcoma, managed with total […]
- Metal sensitivity in total joint arthroplasty: None of the current diagnostic tests are reliable, sensitive and specific enough to guide treatment decisions!on September 1, 2025
This systematic review was conducted to evaluate the current literature on metal hypersensitivity in patients undergoing joint arthroplasty. The aims of the study were to report diagnostic tools used to assess metal hypersensitivity and to report complications arising in patients who are […]
- Effects of transcranial direct current stimulation on postoperative pain and opioid consumption in arthroplasty: a systematic review and meta-analysis.on September 1, 2025
To evaluate the effectiveness of transcranial direct current stimulation (tDCS) on acute postoperative orthopedic pain and opioid depletion following arthroplasty./r/nTwo independent researchers searched PubMed, EMBASE, and the Cochrane Library databases from inception to May 2024 to identify […]
- Elite athletes return to sport faster and more often than non-elite athletes with low complication rates following proximal hamstring repair: A systematic review.on September 1, 2025
To evaluate patient-reported outcomes, return to sport (RTS) rates and complications following proximal hamstring (PH) repair in elite and non-elite athletes. We hypothesized that PH repair leads to improved patient-reported and clinical outcomes and high RTS rates with relatively few associated […]
- The role of dual mobility total hip arthroplasty to reduce risk of dislocation in patients with neurological disorders. a systematic review.on September 1, 2025
Femoral neck fractures (FNF) are a significant cause of morbidity and mortality in older adults, often requiring total hip arthroplasty (THA). However, THA is associated with high dislocation rates, particularly in patients with neurological disorders due to factors such as muscle weakness, […]
- Evaluation of Autograft Contamination in Anterior Cruciate Ligament Reconstruction and Its Clinical Impact: A Systematic Review and Meta-Analysis.on August 25, 2025
Understanding the characteristics of intraoperative graft contamination (IOGC) in anterior cruciate ligament reconstruction (ACLR) may guide infection control measures. Our aim was to determine the rate and characteristics of IOGC during ACLR and its clinical impact in relation to the development […]
- Complete Heel Pad Avulsion: Repair with Nylon Suture Anchors, IV Tubing Pledgets, and Anterolateral Thigh Flap: A Case Report.on August 18, 2025
We report a 65-year-old man with complete heel pad avulsion and large full-thickness skin defect on the anterolateral foot and ankle. The heel pad was reattached to the calcaneus using two 1-0 nylon sutures with intravenous tubing pledgets. The defect was covered with an anterolateral thigh (ALT) […]
- Giant-cell rich osteosarcoma: A report of 3 cases depicting a diagnostic challenge requiring serious attention.on June 23, 2025
Giant cell-rich osteosarcoma (GCRO) is a rare variant of osteosarcoma with unusual radiological and histopathological features that make its diagnosis challenging. The most critical and unusual feature of GCRO is that it has a purely osteolytic appearance. Therefore, GCRO cases are frequently […]
- Rediscovering denosumab: From osteoporosis medication to a possible treatment for breast canceron May 16, 2025
Science and society collaboration is essential for scientific progress, especially in the health and biomedical fields where basic researchers, clinicians and patients are involved, as shown by the initial results of D-BIOMARK. This clinical trial against breast cancer has analyzed the potential […]
- Deadly blood clots, risky treatments: The high-stakes battle against deep vein thrombosis in sports and beyondon May 13, 2025
Seven-time NBA All-Star Damian Lillard, 34, recently joined a growing list of NBA athletes to be sidelined by a diagnosis of deep-vein thrombosis, or DVT.
- Proprio Raises $43M Series B Funding to Fuel Commercializationon July 28, 2023
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 […]
- EpiBone to Start Clinical Trials for Knee Cartilage Grown in Labon July 26, 2023
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 […]
- Open reduction and internal fixation of depressed intra-articular calcaneal fractures through a miniopen approachon December 23, 2022
Begad H M Z Abdelrazek, Mohamed R WalyThe Egyptian Orthopaedic Journal 2022 57(3):180-185Background Fractures of the calcaneus pose a great challenge both to surgeons and patients. They are considered life-changing injuries. Anatomical reduction of fragments is one of the important variables […]
- A look back at myAO in 2022on December 22, 2022
December 2022 The post A look back at myAO in 2022 appeared first on myAO.
- myAO Christmas Clinical Case Competitionon November 15, 2022
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 […]
- Outcomes of all arthroscopic versus open rotator cuff repairon September 23, 2022
Mohammed Rabie Abdalla Saleh, Mohamed Hussein FadelThe Egyptian Orthopaedic Journal 2022 57(2):122-133Background and aim A rotator cuff injury has a significant effect on the quality of life and overall health of patients. Surgical treatment for rotator cuff disease has been found to enhance […]
- Call for applications: AO Trauma Asia Pacific Research Grants 2022on April 1, 2022
Apply for the AO Trauma Asia Pacific Research Grants 2022 before June 30, 2022
- Call for applications for AO Trauma Latin America Regional Chairpersonon February 23, 2022
Call for applications for AO Trauma Latin America Regional Chairperson
- The West Africa Trauma Education Programon February 7, 2022
The West Africa Trauma Education Program
- About the AO Allianceon November 26, 2020
About the AO Alliance