Ultraschall in Med 2018; 39(02): 221-222
DOI: 10.1055/a-0571-8661
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Publication History

Publication Date:
05 April 2018 (online)

Correlation Between Fetal Weight Gain and Birth Weight with Blood Flow in the Uterine Arteries Calculated with the PixelFlux Technique

Helene Caroline Arneberg et al.

DOI: 10.1055/s-0044-102005

The aim was to investigate correlations between fetal weight gain/day and birthweight with blood flow estimates in the uterine arteries calculated with the PixelFlux technique and with measurements from TAmax. The authors found significant correlations between estimated blood flow in the uterine arteries using the PixelFlux technique with fetal weight-gain/day and with birthweight. Estimates from two methods showed good agreement.

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Fig. 1 Flow calculated from TAmax (time-averaged maximum velocity) using the formula 0.5 * TAmax (cm/s) * cross section area of the vessel (CSA) (cm2) * 60. CSA was calculated as π * (diameter/2).

How to perform Contrast-Enhanced Ultrasound (CEUS)

Christoph F. Dietrich et al.

DOI: 10.1055/s-0043-123931

“How to perform contrast-enhanced ultrasound (CEUS)” provides general advice on the use of ultrasound contrast agents (UCAs) for clinical decision-making and reviews technical parameters for optimal CEUS performance.

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Fig. 2 Benign focal liver lesions in healthy liver parenchyma show a variable arterial enhancement pattern according to their etiology.

Reference Values for Shear Wave Elastography of Neck and Shoulder Muscles in Healthy Individuals

Caroline Ewertsen et al.

DOI: 10.1055/s-0044-102013

10 healthy individuals (5 males and 5 females) had their pericranial muscles examined with shear-wave elastography in two orthogonal planes on two different days for their dominant and non-dominant side.

The effect of the different parameters – muscle pennation, gender, dominant vs non-dominant side and day was evaluated.

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Fig. 3 B-mode image of the trapezius muscle (left) and corresponding image with elastogram (right). Shear wave speed is shown in the lower left corner for 5 different ROIs (only number 5 shown).