Results 41 to 50 of about 1,102,594 (301)

Observation of natural flexural pulse waves in retinal and carotid arteries for wall elasticity estimation

open access: yesScience Advances, 2023
The risk of cardiovascular events is linked to arterial elasticity that can be estimated from the pulse wave velocity. This symmetric wave velocity is related to the wall elasticity through the Moens-Korteweg equation.
G. Laloy-Borgna   +4 more
semanticscholar   +1 more source

Sonoelastographic evaluation of plantar fascia in patients with plantar fasciitis: A case–control study

open access: yesAsian Journal of Medical Sciences, 2022
Background: Plantar fascitis causes heel pain and the thickened fascia has specific morphological features that can be utilized for early diagnosis through sonoelastographic evaluation.
Revanth RB   +5 more
doaj   +1 more source

A case of shear wave velocity reflecting the disease activity in glomerulonephritis

open access: yesJournal of Medical Ultrasound, 2023
Ultrasound elastography can measure tissue elasticity using the shear wave velocity (SWV). Evaluating disease activity with elastography instead of renal biopsy may be less invasive.
Sayaka Ono   +3 more
doaj   +1 more source

Diagnosis of Thyroid Nodules by Elastography

open access: yesJournal of Surgical Ultrasound, 2021
Ultrasonography is mandatory for the evaluation of thyroid nodules. Although B-mode and Doppler ultrasonography are both sensitive for the diagnosis of thyroid lesions, they lack specificity in differentiating benign from malignant nodules.
Hyun Jo Youn   +3 more
doaj   +1 more source

On Validation of Non-physical Techniques for Elastic Image Registration [PDF]

open access: yes, 2007
Non-physical techniques for elastic image registration such as different spline-based optimization methods are often applied in biomedical applications for image normalization w.r.t. non-rigid transformations. Since mechanical properties of biological structures to be registered are usually unknown, a “ground truth”validation of the results of image ...
Evgeny Gladilin, Karl Rohr, Roland Eils
openaire   +1 more source

Acoustic Radiation Force Based Ultrasound Elasticity Imaging for Biomedical Applications

open access: yesItalian National Conference on Sensors, 2018
Pathological changes in biological tissue are related to the changes in mechanical properties of biological tissue. Conventional medical screening tools such as ultrasound, magnetic resonance imaging or computed tomography have failed to produce the ...
Lulu Wang
semanticscholar   +1 more source

ELASTOGRAPHIC ANALYSIS OF THE SUPRASPINATUS TENDON IN DIFFERENT AGE GROUPS [PDF]

open access: yesActa Ortopédica Brasileira, 2020
Objective: To compare the mechanical properties of the supraspinatus tendon in different age groups using Supersonic Shearwave Imaging (SSI) elastography.
César Rubens da Costa Fontenelle   +7 more
doaj   +1 more source

Shear wave velocity measurements using acoustic radiation force impulse in young children with normal kidneys versus hydronephrotic kidneys [PDF]

open access: yesUltrasonography, 2014
Purpose: To measure shear wave velocities (SWVs) by acoustic radiation force impulse (ARFI) ultrasound elastography in normal kidneys and in hydronephrotic kidneys in young children and to compare SWVs between the hydronephrosis grades.
Beomseok Sohn   +4 more
doaj   +1 more source

Usefulness of ultrasound elastography in reducing the number of Breast Imaging Reporting and Data System category 3 lesions on ultrasonography [PDF]

open access: yesUltrasonography, 2014
Purpose: To evaluate the negative predictive value (NPV) of ultrasound (US) elastography for non-palpable Breast Imaging Reporting and Data System (BI-RADS) category 3 lesions on ultrasonography and to determine whether US elastography is helpful in ...
Nariya Cho, Jihe Lim, Woo Kyung Moon
doaj   +1 more source

Laser Metal Deposited Ti4822 Hollow Pipe: Experimental and Computational Modelling Study

open access: yesAdvanced Engineering Materials, EarlyView.
Laser metal deposition (LMD) of a crack‐free built Ti4822 alloys is challenging. This article reports outstanding characteristics of a hollow pipe that is built with LMD technology when a predicted, nontransformation substrate temperature of 800 °C is used.
Sadiq A. Raji   +5 more
wiley   +1 more source

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