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Synovitis scoring in hand osteoarthritis with ultrasonography: the performance of the Global OMERACT/EULAR Ultrasound Synovitis Score (GLOESS) is comparable to synovial thickening alone.
RMD Open
December 2024
Rheumatology, Leiden University Medical Center, Leiden, Zuid-Holland, Netherlands.
Background: Inflammation is increasingly recognised as a treatment target in hand osteoarthritis, and therefore correct measurement of local inflammation is essential. This study aimed to assess ultrasound scoring of synovitis and the additional value of the Global OMERACT/EULAR Ultrasound Synovitis Score (GLOESS) in hand osteoarthritis.
Methods: Data from the randomised, double-blinded Hand Osteoarthritis Prednisolone Efficacy (HOPE) trial were used.
The Feasibility of Measuring Central Blood Pressure with Bedside Echocardiography: An Observational Cross-Sectional Study.
Acad Radiol
December 2024
Department of Cardiology, Faculty of Medicine, Zagazig University, Zagazig, Egypt (A.Y.).
Rationale And Objectives: Central arterial blood pressure (CBP) is considered a more valuable prognostic marker of major cardiovascular diseases than peripheral blood pressure. Non-invasive evaluation of central aortic pressure by Doppler echocardiography is a hopeful tool, avoiding many complications of invasive catheter strategy and diminishing time and costs.
Methods: A total of 118 patients were referred for elective cardiac catheterization at the Cardiovascular Medicine Department, Mansoura University.
Changes in wing resonance in dried preserved crickets.
R Soc Open Sci
December 2024
School of Life and Environmental Sciences, Green Lane, Lincoln LN6 7DL, UK.
Male crickets sing to attract females for mating. Sound is produced by tegminal stridulation, where one wing bears a plectrum and the other a wing vein modified with cuticular teeth. The carrier frequency ( ) of the call is dictated by the wing resonance and the rate of tooth strikes.
View Article and Find Full Text PDFVector-flow imaging of slowly moving blood with photoacoustics and pulse-echo ultrasound.
Photoacoustics
August 2024
Department of Physics, University of Auckland, Private Bag 92019, Auckland, 1010, New Zealand.
We present a technique called photoacoustic vector-flow (PAVF) to quantify the speed and direction of flowing optical absorbers at each pixel from acoustic-resolution PA images. By varying the receiving angle at each pixel in post-processing, we obtain multiple estimates of the phase difference between consecutive frames. These are used to solve the overdetermined photoacoustic Doppler equation with a least-squares approach to estimate a velocity vector at each pixel.
View Article and Find Full Text PDFSpaceborne resonance fluorescence Doppler lidar uses metal atoms as tracers to detect atmospheric temperature, wind speed, and metal atom number density from the top of the mesosphere to the bottom of the thermosphere in the global atmosphere. This study proposes a concept of spaceborne Fe resonance fluorescence Doppler lidar (spaceborne Fe lidar). To theoretically analyze the feasibility of this technology, key parameters of the lidar were designed.
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