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Photon-counting detector CTA to assess intracranial stents and flow diverters: an in vivo study with ultrahigh-resolution spectral reconstructions.
Eur Radiol Exp
January 2025
Department of Neuroradiology, University hospital RWTH Aachen, Aachen, Germany.
Background: To define optimal parameters for the evaluation of vessel visibility in intracranial stents (ICS) and flow diverters (FD) using photon-counting detector computed tomography angiography (PCD-CTA) with spectral reconstructions.
Methods: We retrospectively analyzed consecutive patients with implanted ICS or FD, who received a PCD-CTA between April 2023 and March 2024. Polyenergetic, virtual monoenergetic, pure lumen, and iodine reconstructions with different keV levels (40, 60, and 80) and reconstruction kernels (body vascular [Bv]48, Bv56, Bv64, Bv72, and Bv76) were evaluated by two radiologists with regions of interests and Likert scales.
Author Correction: Household Salt consumption and urinary iodine levels in Schoolchildren aged 8-10 in Darab City, Iran: 2022.
Sci Rep
January 2025
Department of Environmental Health Engineering, Faculty of Health, Kashan University of Medical Sciences, Qotb-e Ravandi Blvd., First Floor, P.O. Box: 8715973449, Kashan, Iran.
Copper-dependent halogenase catalyses unactivated C-H bond functionalization.
Nature
January 2025
Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, CA, USA.
Carbon-hydrogen (C-H) bonds are the foundation of essentially every organic molecule, making them an ideal place to do chemical synthesis. The key challenge is achieving selectivity for one particular C(sp)-H bond. In recent years, metalloenzymes have been found to perform C(sp)-H bond functionalization.
View Article and Find Full Text PDFPopulation-level impact of COVID-19 on thyroid function tests: Results from a repeated cross-sectional study.
J Infect Public Health
January 2025
Department of Genomic Medicine, Division of Biochemistry, Molecular Biology, and Nutrition, University Hospital of Nancy, Nancy F-54000, France; Reference Center for Inborn Errors of Metabolism (ORPHA67872), University Hospital of Nancy, Nancy F-54000, France; Faculty of Medicine of Nancy, University of Lorraine, Nancy F-54000, France; INSERM UMR_S 1256, Nutrition, Genetics, and Environmental Risk Exposure (NGERE), Nancy F-54000, France. Electronic address:
Purpose: Reports have highlighted thyroid abnormalities, including subacute thyroiditis and thyrotoxicosis, in COVID-19 patients, with a potential link between thyroid dysfunction and disease severity. However, population-level studies on COVID-19's impact on thyroid hormone levels are limited. We aimed to assess the impact of the COVID-19 pandemic on thyroid function tests at the population level.
View Article and Find Full Text PDFBackground/purpose: Complications, such as postoperative pneumonia, can occur after pediatric cardiac surgery; however, studies on related changes in perioperative oral bacterial counts are scarce. Herein, we investigated the changes in oral bacterial counts before and after surgery in infants who underwent cardiac surgery, as well as after oral care using an antiseptic mouthwash.
Materials And Methods: A total of 102 infants who underwent congenital heart disease surgery were enrolled in this study.
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