Cadaveric Biomechanical Study of Partial Glenoid Arthroplasty Versus the Latarjet Procedure for Anterior Glenoid Bone Loss.

Background: For severe anterior glenoid bone loss due to recurrent shoulder instability, the Latarjet procedure offers a dynamic sling effect in addition to bone augmentation. Yet, it heavily alters the surrounding anatomy, while fixation and graft union issues are also common.

Purpose/hypothesis: The purpose of this study was to compare a novel printed 3-dimensional (3D) partial glenoid arthroplasty (PGA) implant with the classic Latarjet procedure.

Can a Two Simple Stitches Method Provide Secure Fixation Strength in Biceps Tenodesis?: Biomechanical Evaluation of Various Suture Techniques.

Background: The purpose of this study was to compare the initial fixation strength between four different suture methods for the long head of the biceps.

Methods: Forty-eight fresh frozen porcine flexor hallucis longus tendons (mean width at suture site, 8.5 ± 0.

Prognostic Factors of Mid- to Long-term Clinical Outcomes after Arthroscopic Partial Meniscectomy for Medial Meniscal Tears.

Backgroud: Arthroscopic partial meniscectomy (APM) continues to be the popular treatment for meniscal tears, but recent randomized controlled trials have questioned its efficacy. To provide more evidence-based criteria for patient selection, we undertook this study to identify prognostic factors associated with clinical failure after APM for medial meniscus tears.

Methods: Medical records of 160 patients followed up for at least 5 years after APM for medial meniscal tears were retrospectively reviewed.

Transient postoperative inferior subluxation of the shoulder after surgical stabilization of recurrent anterior dislocation in a patient with myasthenia gravis: a case report.

The authors present a case of transient postoperative inferior subluxation of the shoulder after arthroscopic surgical stabilization for recurrent anterior dislocation. The patient was a 61-year-old woman with myasthenia gravis (MG). The first anterior shoulder dislocation occurred because of a fall to the ground.

Three-column subdivision for isolated posterolateral tibial plateau fractures and perspective surgical approaches.

Background: This study aimed (1) to introduce a computed tomography (CT)-based classification of the posterolateral compartment of the tibial plateau based on the fibula and to propose the individualized surgical approaches for each zone; and (2) to determine the surgical approach based on the classification, that would achieve a safe and effective reduction and could improve postoperative clinical outcomes.

Methods: Eighteen cases of tibia plateau fracture involving the isolated posterolateral compartment in a single institution were retrospectively analyzed. The posterolateral compartment of the tibial plateau was segmented into three zones based on the fibular position and an individualized surgical approach was proposed for each zone.

Long-term Outcomes of Anterior Cruciate Ligament Reconstruction Using Quadriceps Tendon-Patellar Bone Autograft.

Background: To date, there have been few studies on the outcomes of anterior cruciate ligament reconstruction (ACLR) using quadriceps tendon-patellar bone (QTPB) autograft.

Purpose: To evaluate the long-term clinical outcomes of ACLR using QTPB autograft.

Study Design: Case series; Level of evidence, 4.

Intraoperative evaluation of DRUJ instability through dorsal stress radiography in distal radius fractures.

Introduction: Certain type of injury of the triangular fibrocartilage complex associated with distal radius fracture can result in distal radioulnar joint instability (DRUJ). Untreated DRUJ instability may lead to poor result in the treatment of acute distal radius fractures. The aim of this study was to evaluate DRUJ instability in distal radius fractures through dorsal stress radiography comparing the affected and unaffected wrists intraoperatively.

Suture Anchor Augmentation for Acute Unstable Isolated Ankle Syndesmosis Disruption in Athletes.

Background: Isolated ankle syndesmosis disruption (without fibula fracture) causes acute pain and may cause chronic instability and pain. The aim of the present study was to evaluate the outcomes after anterior inferior tibiofibular ligament (AITFL) anatomical fixation using anchor sutures for unstable isolated syndesmosis disruption without fibular fractures.

Methods: This study assessed 22 athletes who were diagnosed with unstable isolated syndesmosis disruption with a positive external rotation test, had more than 2-mm diastasis on ultrasound, and had complete AITFL rupture on magnetic resonance imaging between 2004 and 2020.

Metastasis of renal cell carcinoma around suture anchor implants.

We present an unusual case of bone metastases from renal cell carcinoma around orthopedic implants in a 78-year-old female with osteolytic, expansile, highly vascularized, malignant infiltration around suture anchors in the proximal humerus. The patient had undergone arthroscopic rotator cuff repair using suture anchor implants 6 years previously. After diagnosis of bone metastasis, she was successfully treated with metastasectomy and internal fixation using a plate and screws, with cement augmentation.

A prospective clinical trial evaluating changes in the wound microenvironment in patients with chronic venous leg ulcers treated with a hypothermically stored amniotic membrane.

Amniotic tissues have been long utilised to treat chronic wounds; however, there are few studies evaluating how the wound microenvironment responds to these therapies. The goal of this study was to evaluate the changes in wounds treated with a hypothermically stored amniotic membrane (HSAM). In this prospective single-arm study, 15 female patients with venous leg ulcers were treated with HSAM from male donors and standard of care for 12 weeks.

Relationship of Bone Mineral Density and Knee Osteoarthritis (Kellgren-Lawrence Grade): Fifth Korea National Health and Nutrition Examination Survey.

Background: Osteoarthritis (OA) and osteoporosis (OP) are the 2 most common bone disorders associated with aging. We can simply assume that older patients have a higher incidence of OA and OP with more severity. Although several papers have conducted studies on the relationship between OA and OP, none of them has demonstrated a conclusive link.

Sports injury and illness incidence among South Korean elite athletes in the 2018 Asian Games: a single-physician prospective study of 782 athletes.

Objective: The increasing incidence of sports injury among athletes calls for systemic surveillance of injuries and illnesses in this field to develop preventive measures. The patterns of injuries and illnesses that occurred among Korean athletes during the 2018 Asian Games held in Indonesia were studied.

Methods: We recorded the occurrence of all injuries and illnesses reported to the chief medical officer, coordinated with the help of an instant social messaging application in real time.

A Flexible Intramedullary Guide Can Reduce the Anteroposterior Oversizing of Femoral Components Used in Total Knee Arthroplasty in Patients with Osteoarthritis and Severe Distal Femoral Sagittal Bowing.

Traditionally, a rigid intramedullary rod has been used as the reference guide for femoral cutting in total knee arthroplasty (TKA). However, correct positioning of this rigid rod is difficult, especially in the knees with severe distal femoral sagittal bowing. A flexible intramedullary rod has been developed to address this problem.

Machine-learning algorithm that can improve the diagnostic accuracy of septic arthritis of the knee.

Purpose: Prompt diagnosis and treatment of septic arthritis of the knee is crucial. Nevertheless, the quality of evidence for the diagnosis of septic arthritis is low. In this study, the authors developed a machine learning-based diagnostic algorithm for septic arthritis of the native knee using clinical data in an emergency department and validated its diagnostic accuracy.

Effects of bisphenol A on cardiovascular disease: An epidemiological study using National Health and Nutrition Examination Survey 2003-2016 and meta-analysis.

As the most widely consumed endocrine-disrupting chemical, bisphenol A (BPA) has been linked to reproductive dysfunction, diabetes mellitus, and obesity. However, the evidence for an association between BPA and cardiovascular disease (CVD) remains insufficient. In the present study, we aimed to identify the association between BPA and CVD, using data from the 2003-2016 National Health and Nutrition Examination Surveys (NHANES).

Predictability of 48-h delayed retention of contrast in barium enema in cases of chronic constipation.

Introduction: Diagnosis of Hirschsprung's disease depends on rectal biopsy. This study was designed to find an alternate diagnostic modality to exclude Hirschsprung's disease.

Aim: The aim of this study was to find the predictive value of delayed retention of contrast in excluding Hirschsprung's disease.

Clinical Features of Geriatric Syndromes in Older Koreans with Diabetes Mellitus.

Background: This study explored the prevalence and clinical characteristics of geriatric syndromes among Korean older adults with diabetes mellitus (DM).

Methods: We used data from the 2017 National Survey of Older Koreans to analyze the classic geriatric syndromes of polypharmacy, urinary incontinence, falls, cognitive impairment, and functional impairment according to the presence of DM.

Results: Among 10,299 participants aged 65 years or older, 2,395 had DM.

Patellar fractures in elderly patients: a multicenter computed tomography-based analysis.

Introduction: This study aimed to demonstrate the characteristics of patellar fractures and evaluate clinical outcomes in elderly patients.

Patients And Methods: Medical records of patients aged ≥ 60 years who presented with patellar fractures were retrospectively reviewed from an institutionally approved multicenter (five institutions) orthopedic database. Patient characteristics and fracture patterns were identified, and the clinical outcomes were investigated.

Inter-segmental foot kinematics during gait in elderly females according to the severity of hallux valgus.

The objective of this study was to find the effect of hallux valgus (HV) deformity on the inter-segmental motion of the foot using an MFM with a 15-marker set (DuPont Foot Model, DuFM) in comparison with age and sex controlled healthy adults. Fifty-eight female symptomatic HV patients and 50 female asymptomatic older female volunteers were included in this study. According to the radiographic hallux valgus angle (HVA), the study population was divided into severe HV (SHV, HVA ≥ 40°, n = 25), moderate HV (MHV, 20° ≤ HVA < 40°, n = 47), and control (CON, n = 36).

Factors affecting stability after medial opening wedge high tibial osteotomy using locking plate: A cadaveric study.

Objectives: To investigate the effect of screw length, lateral hinge fracture, and gap filling on stability after medial opening wedge high tibial osteotomy (MOW HTO) using a locking plate.

Methods: Forty tibiae from fresh-frozen cadavers were randomly allocated into five groups. Group A was bicortically fixated, while Group B and Group C were unicortically fixated: 90% and 55% of drilled tunnel length, respectively.

Long-term Outcome of Selective Thoracic Fusion Using Rod Derotation and Direct Vertebral Rotation in the Treatment of Thoracic Adolescent Idiopathic Scoliosis: More Than 10-Year Follow-up Data.

Study Design: This was a retrospective comparative study.

Objective: To evaluate long-term outcomes of selective thoracic fusion (STF) using both rod derotation (RD) and direct vertebral rotation (DVR) with pedicle screw instrumentation (PSI) in the treatment of thoracic adolescent idiopathic scoliosis (AIS) with a minimum 10-year follow-up.

Summary Of Background Data: Postoperative compensation and maintenance of the unfused lumbar curve after STF is very important factor for the satisfactory results in the treatment of thoracic AIS.

Is lower tourniquet pressure during total knee arthroplasty effective? A prospective randomized controlled trial.

Background: Higher tourniquet pressures may be associated with an increased risk of complications. We aimed to determine (1) whether a lower tourniquet pressure [systolic blood pressure (SBP) + 120 mmHg] is as effective as conventional tourniquet pressure (SBP + 150 mmHg) in providing a bloodless surgical field and decreasing blood loss, and (2) whether lowering the tourniquet pressure decreases tourniquet-related complications compared to conventional inflation pressure.

Methods: One hundred and sixty knees in 124 patients undergoing total knee arthroplasty (TKA) were randomly allocated to either conventional (n = 80) or lower inflation pressure group (n = 80).