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Orthopedics 2022 Aug 10:1-9. Epub 2022 Aug 10.

We evaluated the outcomes of precontoured locking plate fixation with the anconeus flap transolecranon (AFT) approach to treating AO type C2-3 comminuted intra-articular distal humerus (IDH) fractures among active patients. Thirty-six patients (age <65 years) with IDH fractures treated with precontoured distal humerus locking plate fixation were divided into 2 groups: group 1 (n=18; transolecranon [TO] approach) and group 2 (n=18; AFT approach). The radiographic examination included assessments of implant failure, fracture site union, and olecranon osteotomy site union. Read More

J Mech Behav Biomed Mater 2022 Jul 22;134:105392. Epub 2022 Jul 22.

Mechanical Engineering Academic Department, Federal Technological University of Paraná - UTFPR, Curitiba, 81280-340, Brazil; Postgraduate Program in Mechanical Engineering and Materials - PPGEM, Federal Technological University of Paraná - UTFPR, Curitiba, 81280-340, Brazil; Postgraduate Program in Biomedical Engineering - PPGEB, Federal Technological University of Paraná - UTFPR, Curitiba, 81280-340, Brazil.

This study presents a comparative structural finite element analysis between two different fixation methods for high-energy tibial plateau fractures: limited contact dynamic compression plate (LC-DCP) and locking compression plate (LCP). Several computational methods were employed to obtain an accurate finite element bone model with non-homogeneous properties. The goal is to evaluate the mechanical behavior of the fractured bone under each type of treatment within the scope of a single case study. Read More

Orthop Traumatol Surg Res 2022 Aug 2:103372. Epub 2022 Aug 2.

Iwate Medical University, Iwate Ika Daigaku, Japan.

Background: The watershed line is widely accepted as the distal limit of the volar locking plate (VLP); however, the VLP placement could vary depending on the plate contour and morphology of the distal radius. The aim of this study was to investigate the morphology of the distal radius and VLP fitting using 3D images.

Hypothesis: We hypothesized that attachment of the VLP would affect the contour of the volar prominence of the distal radius. Read More

Ann Transl Med 2022 May;10(9):510

Orthopaedic Bioengineering Research Laboratory, Departments of Mechanical Engineering and School of Biomedical Engineering, Colorado State University, Fort Collins, Colorado, USA.

Background: Rapid prediction of adverse bone fracture healing outcome (e.g., nonunion and/or delayed union) is essential to advise adjunct therapies to reduce patient suffering and improving healing outcome. Read More

Indian J Orthop 2022 Aug 29;56(8):1339-1346. Epub 2022 Jun 29.

Department of Orthopaedics, All India Institute of Medical Sciences, JPNATC, AIIMS, New Delhi, India.

Background: Femoral shaft fracture in patients of post-polio syndrome (PPS) represents an uncommon yet complex injury pattern. Poorly developed soft-tissue envelope, decreased muscle bulk, reduced vascularity, regional osteopenia, joint contractures, and altered bony anatomy impose significant surgical challenges. Thorough pre-operative planning is imperative as each case requires individualized approach and method of fixation. Read More