Economic development in low-income countries has led to a considerable increase in motor vehicles, in particular motorcycles. Traffic accident-related fractures are therefore increasing. The treatment of long bone fractures is, in the majority of cases, based on locked intramedullary nailing, a procedure which is rarely available in countries with poor sanitary conditions. To provide optimal treatment to these countries, the SIGN (Surgical Implant Generation Network) nail was developed in 1999 by Lewis Zirkle. It is currently used free of charge in 53 countries. In return, an international database must be completed in order to assess and develop it. In the light of our experiences in Haiti and Burundi and on the basis of a literature review, we here highlight the conceptual and technical features of SIGN nail whose implant in French-speaking countries is still limited.
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http://dx.doi.org/10.11604/pamj.2021.39.130.24190 | DOI Listing |
BMC Health Serv Res
January 2025
AO Alliance, Stiftung, Switzerland.
Background: In low and middle-income countries like Ghana, out-of-pocket (OOP) payments remain a significant barrier to healthcare access, often leading to catastrophic health expenditures (CHE). This study evaluates the incidence of CHE among patients treated for long bone fractures at Ghana's major teaching hospitals, providing insight into the economic burdens faced by these patients.
Methods: This cross-sectional study analyzed data from 2,980 patients with long bone fractures treated at four major teaching hospitals in Ghana from July 2017 to July 2020.
Med Biol Eng Comput
January 2025
Auckland Bioengineering Institute, The University of Auckland, Auckland, New Zealand.
Lower limb biomechanics of chronic ankle instability (CAI) individuals has been widely investigated, but few have evaluated the internal foot mechanics in CAI. This study evaluated bone and soft tissue stress in CAI contrasted with copers and non-injured participants during a cutting task. Integrating scanned 3D foot shapes and free-form deformation, sixty-six personalized finite element foot models were developed.
View Article and Find Full Text PDFSci Rep
January 2025
Department of Biological Sciences, Virginia Tech, Blacksburg, VA, 24061-0910, USA.
Sepsis is a leading cause of death worldwide, with most patient mortality stemming from lingering immunosuppression in sepsis survivors. This is due in part to immune dysfunction resulting from monocyte exhaustion, a phenotype of reduced antigen presentation, altered CD14/CD16 inflammatory subtypes, and disrupted cytokine production. Whereas previous research demonstrated improved sepsis survival in Ticam2 mice, the contribution of TICAM2 to long-term exhaustion memory remained unknown.
View Article and Find Full Text PDFSci Rep
January 2025
Department of Oral and Maxillofacial Surgery, University Hospitals Leuven, Leuven, Belgium.
This study aims to evaluate and compare the usability and performance of mixed reality (MR) technology versus conventional methods for preoperative planning of patient-specific reconstruction plates for orbital fractures. A crossover study design was used to compare MR technology with conventional three-dimensional (3D) printing approaches in the planning of maxillofacial traumatology treatments. The primary focus was on user-friendliness and the accuracy of patient-specific reconstruction planning.
View Article and Find Full Text PDFJ Shoulder Elbow Surg
January 2025
Department of Clinical Anatomy, Graduate School of Medical and Dental Science, Tokyo Medical and Dental University, Tokyo, Japan.
Background: Biomechanical studies suggest that the triceps brachii muscle generates resistive force against valgus stress on the elbow during baseball pitching. However, given the parallel fiber orientation in the distal tendinous structure of the triceps brachii, the mechanism behind this anti-valgus force remains unclear. In the present study, we aimed to examine the anatomy of the distal tendinous structure of the triceps brachii using bony morphological, macroscopic, and histological methods.
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