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This study explores the change in the position of the fragment in isolated, displaced, medial humeral epicondyle fractures in children. In this series, 34 patients (mean age 11.0 years) were treated nonoperatively by cast immobilization with no attempt at closed fracture reduction. A statistically significant association was found between the position of the fracture fragment at the time of initial fracture compared with 3 weeks after fracture (P=0.015). Twenty-six of 34 patients (76.5%) showed spontaneous improvement in fragment position. These findings support the practice of treating significantly displaced medial epicondyle fractures nonoperatively.
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http://dx.doi.org/10.1097/BPB.0000000000000136 | DOI Listing |
Musculoskelet Surg
September 2025
Orthopaedic and Traumatology Department, ASST Sette Laghi-Circolo Hospital and Macchi Foundation in Varese University Center, Viale Luigi Borri, 57, 21100, Varese, Italy.
Purpose: The aim of this study was to evaluate the radiological-functional outcomes and rotator cuff (RC) status following humeral intramedullary nailing (IMN), comparing the anterolateral standard approach (group 1) and the percutaneous antero-acromial approach (group 2).
Methods: This observational prospective monocentric study was conducted from August 2021 to March 2023. Inclusion criteria included: two-parts proximal (surgical neck) and diaphyseal Humeral fractures treated with IMN; 12-month follow-up; age between 18 and 85 years; good performance status (excluding neurologic deficits or mental disorders).
Vet Surg
September 2025
Department of Veterinary Medicine, University of Cambridge, Cambridge, UK.
Objective: To determine if a novel robotic system has comparable positional and angular accuracy to that achievable with patient-specific guides (PSG) when used for transcondylar screw (TCS) placement in the canine humerus.
Study Design: Experimental laboratory study.
Sample Population: A total of 32 synthetic humeral models (16 per group).
Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi
August 2025
Research Center for Sport Ability Assessment and Enhancement, Northeast Normal University, Changchun 130024, China.
To propose a functional method for locating the shoulder joint center of rotation aimed at rapid estimation of the upper limb reachable domain envelope, thereby informing ergonomic design and task optimization. In March 2024, shoulder kinematics during gait were recorded from ten adults using a three-dimensional motion-capture system. Assuming the existence of a point near the glenohumeral joint that maintains a fixed spatial relationship to the humerus and the acromion, we estimated both static and dynamic centers of rotation.
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July 2025
Orthopedic Surgery, University of Arizona College of Medicine, Phoenix, USA.
Background: Joint denervation procedures continue to demonstrate promise in the management of chronic pain and functional improvement in joint pathology of the hand and wrist. As our understanding of these techniques evolves, a detailed comprehension of neuroanatomy, including the precise relationships and contributions of sensory innervation to targeted joints, is critical for optimizing outcomes.
Methods: Freshly thawed frozen upper extremity cadaveric specimens were analyzed under the direction of two fellowship-trained hand surgeons.
Musculoskelet Surg
August 2025
Department of Medicine, Surgery and Health Sciences, University of Trieste, Trieste, Italy.
Purpose: Avascular necrosis (AVN) of the humeral head is a relatively frequent complication after proximal humerus fractures (PHF), often leading to poor outcomes and reoperation. This study investigates both non-modifiable (fracture type, trauma energy, age, sex, Charlson comorbidity index) and modifiable (surgical access, bone graft use, reduction quality) risk factors for post-operative AVN in Neer 3-4-part PHFs.
Methods: Patients with Neer 3-4-part PHFs treated using angular stable plates and followed for at least 6 months were included.