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| http://dx.doi.org/10.1136/bmj.332.7533.64 | DOI Listing |
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Design and Validation of a High-Fidelity Left Atrial Cardiac Simulator for the Study and Advancement of Left Atrial Appendage Occlusion.
Cardiovasc Eng Technol
January 2025
Institute for Medical Engineering and Science, Massachusetts Institute of Technology, MA, Cambridge, USA.
Purpose: Atrial fibrillation (AF) is the most common chronic cardiac arrhythmia that increases the risk of stroke, primarily due to thrombus formation in the left atrial appendage (LAA). Left atrial appendage occlusion (LAAO) devices offer an alternative to oral anticoagulation for stroke prevention. However, the complex and variable anatomy of the LAA presents significant challenges to device design and deployment.
View Article and Find Full Text PDF[Molecularly defined renal cell carcinomas].
Pathologie (Heidelb)
January 2025
Institut für Pathologie, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Krankenhausstraße 8-10, 91054, Erlangen, Deutschland.
Background: The latest edition of the WHO classification of urinary and male genital tumours was published in 2022. The revision was based on the newest scientific literature. This article summarizes the updated recommendations regarding the classification of molecularly defined tumours.
View Article and Find Full Text PDFA new method for assessing the health status of aerospace equipment based on a belief rule base with balanced accuracy and complexity.
Sci Rep
January 2025
Harbin Normal University, Harbin, 150025, China.
The health status of aerospace equipment directly affects the operational capability of the entire system. Belief rule base (BRB) is an effective method for assessing health status that combines expert knowledge and historical data. However, in the actual assessment, the data provided by experts only form the basic framework of the model.
View Article and Find Full Text PDFStrengthening biopolymer adhesives through ureolysis-induced calcium carbonate precipitation.
Sci Rep
January 2025
Department of Chemical & Biological Engineering, Montana State University, Bozeman, USA.
Common adhesives for nonstructural applications are manufactured using petrochemicals and synthetic solvents. These adhesives are associated with environmental and health concerns because of their release of volatile organic compounds (VOCs). Biopolymer adhesives are an attractive alternative because of lower VOC emissions, but their strength is often insufficient.
View Article and Find Full Text PDFComputer simulation approaches to evaluate the interaction between analytical performance characteristics and clinical (mis)classification: a complementary tool for setting indirect outcome-based analytical performance specifications.
Clin Chem Lab Med
January 2025
Rare Diseases Department, General Directorate of Health Services, Turkish Ministry of Health, Ankara, Türkiye.
Simulation-based approaches for setting indirect outcome-based analytical performance specifications (APS) predominantly involve test repetition through analytical reruns or resampling. These methodologies assess the agreement between original and simulated measurement results, determining the APS corresponding to pre-established performance thresholds. For APS related to imprecision and bias, both analytical performance characteristics (APCs) are typically considered in simulations, whereas for APS regarding measurement uncertainty, bias is excluded in alignment with traceability standards.
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