Removal of Forearm Plate Leads to a Higher Risk of Refracture-A Systematic Review and Meta-Analysis.

Objective: Plate fixation is the preferred method for treating forearm shaft fractures. However, it remains controversial regarding the necessity of implant removal after bone union. This review aims to assess refracture risk after plate removal.

Three-dimensional quantitative study and functional outcome analysis of coronoid fracture in different elbow injury patterns.

Background: Coronoid fractures are often part of a complex fracture-dislocation of the elbow. For an optimum prognosis, it is important to understand the characteristics of coronoid fractures in different elbow injury patterns. Significant differences in these characteristics have been observed in various studies, but these previous studies have suffered from limitations, such as insufficient quantification and unknown prognostic differences among different injury patterns.

Single-cell RNA sequencing uncovers cellular heterogeneity and the progression of heterotopic ossification of the elbow.

Heterotopic ossification of the elbow (HOE) is a complicated pathologic process characterized by extra bone formation in the elbow. Bone formation is a complex developmental process involving the differentiation of mesenchymal stem cells into osteoblasts. The aim of this study was to explore the cellular origin and progression of HOE by single-cell RNA sequencing.

Diagnosis and Treatment of Varus Posteromedial Rotational Instability of the Elbow Joint in Children: Re-Understanding of the Injury Mechanism Associated With Coronoid Process Fractures.

Purpose: To investigate the injury mechanism, diagnosis, and treatment of varus-posteromedial rotational instability of the elbow joint in children.

Methods: According to the diagnostic criteria of varus posteromedial rotational instability of elbow joint, 16 children with coronoid process fractures treated in our department from July 2013 to July 2017 were re-evaluated. There were 14 males and 2 females, aged 7 to 14 years, with an average age of 11.

Clinical outcomes of olecranon sled fixation in patients with Mayo type II olecranon fractures.

Background: Tension band wiring and plate fixation are common internal fixation methods used for olecranon fractures, but complications and reoperations are common. The purpose of this study is to investigate the clinical outcomes of displaced olecranon fractures treated with olecranon sled internal fixation.

Methods: The data of 39 patients with olecranon fractures treated with olecranon sled in the Department of Traumatology of Beijing Jishuitan Hospital between May 2018 and April 2020 were retrospectively analyzed.

The diagnosis and treatment of Criss-Cross injury of the forearm: A retrospective analysis.

Background: Due to the paucity of 'Criss-Cross' injury, the pathological changes and injury patterns have not been clearly described; as well as the treatment and prognosis. This retrospective study aimed to investigate the treatment and clinical outcomes of 'Criss-Cross' injury of the forearm.

Methods: All patients diagnosed with Criss-Cross injury meeting the inclusion and exclusion criteria in our Level 3 hospital (most advanced level) from 2010 to 2022, were enrolled in the study.

The safety and immunogenicity of a recombinant five-antigen Staphylococcus aureus vaccine among patients undergoing elective surgery for closed fractures: A randomized, double-blind, placebo-controlled, multicenter phase 2 clinical trial.

Background: Vaccines are urgently required to control Staphylococcus aureus hospital and community infections and reduce the use of antibiotics. Here, we report the safety and immunogenicity of a recombinant five-antigen Staphylococcus aureus vaccine (rFSAV) in patients undergoing elective surgery for closed fractures.

Methods: A randomized, double-blind, placebo-controlled, multicenter phase 2 clinical trial was carried out in 10 clinical research centers in China.

Posterior Olecranon Fracture Dislocations in Adults: A Systematic Review.

Posterior olecranon fracture dislocations (POFDs) were considered posterior Monteggia lesions, which were less described in the literature. The purpose of this study was to provide a systematic review of the diagnosis, treatment, prognosis, and complications of POFDs in adults. A systematic review was performed to identify all relevant studies on the POFDs in the PubMed, Web of Science, Embase, and MEDLINE databases.

Anxiety and depression are associated with poor outcomes in open elbow arthrolysis.

Background: Open elbow arthrolysis (OEA) is an established treatment for posttraumatic elbow stiffness (PTES); however, its efficacy is debatable for some patients. Poor surgical outcomes have been associated with anxiety and depression in other orthopedic conditions, but no studies have examined this association in OEA. In this study, we aimed to determine whether a high preoperative anxiety and depression score is associated with a worse functional outcome in OEA for PTES.

Risk of ozone exposure-induced fracture.

Introduction: Ozone (O) is known to induce oxidative stress that influences various cells and tissues, which may further lead to diminished bone mineral density. Nevertheless, few studies have investigated the association between O exposure and fractures. Considering the similar growing trends of O concentrations and fracture morbidity in recent years, in the present study, we aimed to examine whether O exposure is associated with the fracture morbidity.

Single-cell RNA sequencing reveals the role of cell heterogeneity in the sex difference in primary hyperparathyroidism.

Objective: To explore the difference in parathyroid tissue-derived cells between male and female PHPT patients.

Methods: Resected parathyroid tissues were collected from PHPT patients of both sexes. Single cells were isolated and sequenced for RNA expression profiles.

Short-term effect of apparent temperature on daily hospitalizations for osteoporotic fractures in Beijing, China: A retrospective observational study.

Background: Studies on the associations between temperature and osteoporotic fractures (OF) hospitalizations are limited. This study aimed to assess the short-term effect of apparent temperature (AT) on the risk of OF hospitalizations.

Methods: This retrospective observational study was conducted in Beijing Jishuitan Hospital from 2004 to 2021.

Effectiveness and Accuracy of a Patient-Specific Instrumentation System for Total Hip Arthroplasty.

Objective: Traditional total hip arthroplasty (THA) is often performed by visual inspection due to the lack of reliable reference, which results in inappropriate position of prosthesis and poor outcomes. This study attempts to introduce a novel patient-specific instrumentation (PSI) system and assess its effectiveness and accuracy compared with freehand operation and robot system through bone model experiments.

Methods: Equally divide 30 sawbone models into the freehand group, PSI group, and robot group.

Traumatic divergent dislocation of the elbow in the adults.

Purpose: This retrospective study aimed to investigate the clinical outcomes of DDE in adults.

Methods: From September 2010 to March 2020, adult patients with traumatic DDEs admitted to Beijing Chaoyang Hospital and Beijing Jishuitan Hospital were included in this study. Each patient underwent operative or conservative treatment during hospitalization.

Biomechanical comparison of three internal fixation configurations for low transcondylar fractures of the distal humerus.

Background: We aimed to evaluate the biomechanical stiffness and strength of different internal fixation configurations and find suitable treatment strategies for low transcondylar fractures of the distal humerus.

Methods And Materials: Thirty 4 generation composite humeri were used to create low transcondylar fracture models that were fixed by orthogonal and parallel double plates as well as posterolateral plate and medial screw (PPMS) configurations (n=10 in each group) using an anatomical locking compression plate-screw system and fully threaded medial cortical screws. Posterior bending (maximum 50 N), axial loading (maximum 200 N) and internal rotation (maximum 10 N·m) were tested, in that order, for each specimen.

Relationship between measurements of ipsilateral capitellum and prosthetic radial head size.

Background: Selecting the correct size of head component is challenging in radial head arthroplasty, particularly in comminuted fractures. This study aimed to investigate the relationship between measurements of the ipsilateral capitellum and the prosthetic radial head size, which may be used to predict the size of the radial head prosthesis preoperatively.

Methods: Our study enrolled all patients who underwent radial head arthroplasty at Beijing Jishuitan Hospital.

[Effect of freshening technique on docking site in tibial bone transport management].

Objective: To study the effect of freshening technique on docking site in tibial bone transport management.

Methods: Retrospective cohort study was conducted about the effect of freshening technique on docking site in 20 cases(15 males and 5 females) treated with tibial bone transport from January of 2014 to December of 2019. The age of patients ranged from 19 to 62 years old, with an average of (42.

The diagnosis and treatment in patients with a bipolar fracture-dislocation of the forearm: a retrospective study.

Backgrounds: This study aims to investigate the treatment and clinical effect of bipolar fracture-dislocation of the forearm.

Methods: From March 2011 to September 2021, patients with bipolar fracture-dislocation of the forearm admitted to XXX and XXX Hospital were retrospectively analyzed. The timing of rehabilitation depended on the joint stability after the operation.

Tibial plateau fractures: three dimensional fracture mapping and morphologic measurements.

Purpose: The injury mechanisms and classifications of tibial plateau fractures (TPFs) are still controversial. The aim of this study is to show 3D fracture mapping of different types of tibial plateau fractures. Moreover, combined with Schatzker and ten-segment classification, we aimed to analyze the injury frequency and characteristics of different segments.

Comparative study of functional outcomes between OTA/AO type C, Gustilo type I/II open fractures and closed fractures of the distal humerus treated by open reduction and internal fixation.

Background: To evaluate the difference of functional outcomes between OTA/AO type C, Gustilo type I/II open fractures and closed fractures of the distal humerus after open reduction and internal fixation.

Methods: We retrospectively analyzed the clinical data of patients with OTA/AO-C distal humerus fractures who were treated in our department from January 2014 to December 2016. The patients were divided into an open fracture group and a closed fracture group.

Comparative study of the functional outcomes of combined medial-lateral approach arthrolysis with or without external fixation for severe elbow stiffness.

Background: To evaluate and compare the functional outcomes of combined medial-lateral approach open arthrolysis with and without hinged external fixation.

Methods: We retrospectively collected and analyzed the clinical data of patients with severe elbow stiffness who were treated in our institution from January 2018 to January 2019. All of them were treated with combined medial-lateral approach arthrolysis.

Lateral minimal approach to the terrible triad of the elbow: a treatment protocol in Beijing Jishuitan Hospital.

Background: This study aimed to report the surgical techniques and results of treating coronoid process and radial head fracture combined with dislocation of the elbow (terrible triad of the elbow) using a single lateral incision, known as the extensor digitorum communis (EDC) split approach.

Methods: A retrospective analysis was performed of 109 patients with terrible triad of the elbow who had been treated by the authors from January 2013 to December 2019. The participants included 67 males and 42 females, with a mean age of 42.

Chronic type C3 distal humeral fracture associated with massive bone defects treated by open reduction and internal fixation with iliac crest autografts: a case report.

Background: Chronic intercondylar fractures of the distal humerus with massive bone defects and severe comminution in the metaphysis are rare and complex injuries that are challenging for surgeons to treat, as reconstructing the triangular structure of the distal humerus is difficult and may have a severe impact on functional outcomes, especially in young patients, for whom total elbow arthroplasty is usually not a suitable option due to significant impairment in upper limb strength. Here, we report a patient in such scenario who was young and active and was treated by structural iliac bone autografting and internal fixation.

Case Presentation: A 26-year-old male patient experienced a major car accident and was diagnosed with an open fracture (Gustilo-Anderson type IIIB) of the right distal humerus with massive bone defects and severe intra-articular involvement, without neurovascular injuries or other associated injuries.

[Effectiveness of open reduction and internal fixation for bipolar fracture-dislocation of forearm].

Objective: To explore the effectiveness of open reduction and internal fixation for bipolar fracture-dislocation of the forearm.

Methods: Between June 2014 and March 2019, 14 patients with bipolar fracture-dislocation of the forearm were treated. There were 9 males and 5 females, aged from 19 to 52 years (mean, 34.