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Construction of a Compound Model to Enhance the Accuracy of Hepatic Fat Fraction Estimation with Quantitative Ultrasound.
Diagnostics (Basel)
January 2025
Department of Radiology, Medical Imaging Centre, Semmelweis University, 1082 Budapest, Hungary.
we evaluated regression models based on quantitative ultrasound (QUS) parameters and compared them with a vendor-provided method for calculating the ultrasound fat fraction (USFF) in metabolic dysfunction-associated steatotic liver disease (MASLD). We measured the attenuation coefficient (AC) and the backscatter-distribution coefficient (BSC-D) and determined the USFF during a liver ultrasound and calculated the magnetic resonance imaging proton-density fat fraction (MRI-PDFF) and steatosis grade (S0-S4) in a combined retrospective-prospective cohort. We trained multiple models using single or various QUS parameters as independent variables to forecast MRI-PDFF.
View Article and Find Full Text PDFExamination of adolescent and youth modern contraceptive users' perceptions on how religion influences contraceptive use and their rationale and circumstances of use: qualitative evidence from Burkina Faso, Kenya and Niger.
J Popul Res (Canberra)
January 2025
African Institute for Development Policy (AFIDEP), Nairobi, Kenya.
While religion is a key determining factor of contraceptive use, few studies examine how religion influences adolescent and youth contraceptive attitudes, beliefs, and use. We use recently collected (August-November 2022) qualitative data from Burkina Faso, Kenya, and Niger among young users of modern contraception who practice Christianity or Islam. In-depth interviews with married and unmarried young women ages 18-24 years were conducted in two sites in each country to obtain a mix of religions and method users.
View Article and Find Full Text PDFElectro-driven direct lithium extraction from geothermal brines to generate battery-grade lithium hydroxide.
Nat Commun
January 2025
Department of Civil and Environmental Engineering, The George Washington University, Washington, D.C., USA.
As Li-ion batteries are increasingly being deployed in electric vehicles and grid-level energy storage, the demand for Li is growing rapidly. Extracting lithium from alternative aqueous sources such as geothermal brines plays an important role in meeting this demand. Electrochemical intercalation emerges as a promising Li extraction technology due to its ability to offer high selectivity for Li and its avoidance of harsh chemical regenerants.
View Article and Find Full Text PDFThe value of nonenhanced magnetic resonance imaging (MRI) in the grading of primary lower extremity lymphedema.
J Vasc Surg Venous Lymphat Disord
January 2025
Department of Radiology, Beijing Shijitan Hospital, Capital Medical University, China. Electronic address:
Objective: The International Society of Lymphology (ISL) proposed a grading standard for lymphedema in 2020 based on the percent increase in the volume of the affected limb compared to that of the healthy limb. However, this method is cumbersome and time-consuming to measure and calculate, and a standardized formula across different institutions is not available. Therefore, the aim of this study was to investigate the value of nonenhanced MRI for grading primary lower extremity lymphedema (PLEL).
View Article and Find Full Text PDFEfficacy of diluted botulinum toxin type A (Microbotox) in treatment of mild to moderate acne vulgaris.
Arch Dermatol Res
January 2025
Department of Dermatology, Medical Research and Clinical Studies Institute, National Research Centre, Giza, Egypt.
Acne vulgaris is a common and challenging condition to treat. To assess the effect of botulinum toxin type A (BTX-A) in the treatment of mild to moderate acne vulgaris. This study included 30 patients with mild to moderate acne vulgaris treated with intradermal injections of diluted BTX-A (microbotox) on the cheek in a regular grid pattern using very small droplets (microbotox).
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