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Impact of intravenous CT contrast agents on internal calibration techniques to determine trabecular BMD of the lumbar spine.
Eur J Radiol
January 2025
Department of Medicine 3, Friedrich-Alexander-University Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany; Institute of Medical Physics, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany. Electronic address:
Objectives: Contrast agents are frequently administered in computed tomography (CT) scans used for opportunistic screening of osteoporosis. The objective of this study is to compare the impact of contrast-related bone mineral density (BMD) increase between phantom-based and internal CT calibration techniques.
Materials And Methods: Phantom-based and internal CT calibration techniques were used to determine trabecular BMD in 93 existing clinical CT scans of the lumbar spine of 34 subjects, scanned before and after administration of contrast agents.
Hybridisation is a source of genetic diversity, can drive adaptation to new niches and has been found to be a frequent event in lineages harbouring pathogenic fungi. However, little is known about the genomic implications of hybridisation nor its impact on pathogenicity-related traits. A common limitation for addressing these questions is the narrow representativity of sequenced genomes, mostly corresponding to strains isolated from infected patients.
View Article and Find Full Text PDFRead Length Dominates Phylogenetic Placement Accuracy of Ancient DNA Reads.
Mol Biol Evol
January 2025
Institute of Computer Science, Foundation for Research and Technology-Hellas (FORTH).
A common problem when analyzing ancient DNA (aDNA) data is to identify the species which corresponds to the recovered aDNA sequence(s). The standard approach is to deploy sequence similarity based tools, such as BLAST. However, as aDNA reads may frequently stem from unsampled taxa due to extinction, it is likely that there is no exact match in any database.
View Article and Find Full Text PDFHome intravenous diuretic administration for heart failure management: A scoping review.
PLoS One
January 2025
Lawrence S. Bloomberg Faculty of Nursing, University of Toronto, Toronto, ON, Canada.
Background: Heart failure (HF) significantly impacts healthcare systems due to high rates of hospital bed utilization and readmission rates. Chronic HF often leads to frequent hospitalizations due to recurrent exacerbations and a decline in patient health status. Intravenous (IV) diuretic administration is essential for treating worsening HF.
View Article and Find Full Text PDFCommon insect pests in homes and cultural heritage sites.
PeerJ
January 2025
IHU Méditerranée Infection, Marseille, Provence-Alpes-Côte d'Azur, France.
Insect pests represent a threat to the integrity of historic buildings and homes, causing serious losses and irreversible damage. These pests can cause extensive damage to organic materials, including wood, textiles, and paper. Beetles, termites, booklice, moths, and cockroaches are just some of the main insect pests that are frequently found in historic buildings and homes.
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