Liver stiffness by shear wave elastography is influenced by meal and meal-related haemodynamic modifications

Vonghia, Luisa; Werlinden, W; Pelckmans, P.A.; Michielsen, P.; Francque, S.

doi:10.1055/s-0033-1354961

Cited by 5 publications

(5 citation statements)

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“…Similarly to other ultrasound elastographic techniques, the examination after food intake is correlated with a false increase in LS values, as quantified by 2D-SWE [25].…”

Section: The Influence Of Food Intake On Ls Values As Measured By Swementioning

confidence: 99%

Noninvasive Assessment of Liver Diseases using 2D Shear Wave Elastography

Lupșor-Platon

Badea

Gersak³

et al. 2016

JGLD

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There has been great interest in the development of non-invasive techniques for the diagnosis of liver fibrosis in chronic liver diseases, including ultrasound elastographic methods. Some of these methods have already been adequately studied for the non-invasive assessment of diffuse liver diseases. Others, however, such as two-dimensional Shear Wave Elastography (SWE), of more recent appearance, have yet to be validated and some aspects are for the moment incompletely elucidated. This review discusses some of the aspects related to two-dimensional SWE: the examination technique, the examination performance indicators, intra and interobserver agreement and clinical applications. Recommendations for a high-quality examination technique are formulated.

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“…Similarly to other ultrasound elastographic techniques, the examination after food intake is correlated with a false increase in LS values, as quantified by 2D-SWE [25].…”

Section: The Influence Of Food Intake On Ls Values As Measured By Swementioning

confidence: 99%

Noninvasive Assessment of Liver Diseases using 2D Shear Wave Elastography

Lupșor-Platon

Badea

Gersak³

et al. 2016

JGLD

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“…Similar to other ultrasound-based elastographic methods, the liver stiffness results obtained by 2D SWE.SSI may be influenced by food intake; some authors suggest that the values increase significantly in the first hour after food intake and decrease after 60 min after meal [16,17], while in other studies, these results were not reproduced [18], suggesting that maybe this method is less influenced by food intake. Nevertheless, while more studies are necessary to clarify this issue, the measurements should be performed in fasting condition to avoid any errors.…”

Section: Confounding Factorsmentioning

confidence: 52%

2D Shear Wave Elastography for Liver Fibrosis Evaluation

Popescu¹,

Şirli²,

Sporea³

2020

Ultrasound Elastography

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2D shear wave elastography is a technique embedded in ultrasound machines which allows the interrogation of the tissue by acoustic radiation force impulses induced into the tissues by focused ultrasonic beams and captures the propagation of resulting shear waves in real time. Elasticity is displayed using a color-coded image superimposed on a B-mode image, and at the same time, a quantitative estimation of liver stiffness (LS) can be performed in a certain region of interest (ROI). The published data showed a real value of this method for liver stiffness estimation in patients with chronic hepatitis. It has the following advantages: it is integrated into standard ultrasound systems; it is a real-time elastographic method; and it is also feasible in patients with ascites and with large and adjustable size of the ROI that will be evaluated.

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“…The 2D SWE technique is an operator-dependent method, with experience playing a role in obtaining reliable results [28]. Even though the method overcomes some of the previous limitations, it might have impaired results in patients with severe ascites, bad echoic window, obesity (BMI >30), inability to hold their breath, increased wall thickness (≥25 mm), steatosis, waist circumference (≥ 102 cm), and recent food intake [20,[52][53][54][55].…”

Section: Confounding Factorsmentioning

confidence: 99%

Liver Elastography: Basic Principles, Evaluation Technique, and Confounding Factors

Bende¹,

Moga²

2022

Elastography - Applications in Clinical Medicine

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Ultrasound-based elastography techniques have received considerable attention in the last years for the noninvasive assessment of tissue mechanical properties. These techniques have the advantage of detecting tissue elasticity changes occurring in various pathological conditions and are able to provide qualitative and quantitative information that serves diagnostic and prognostic purposes. For liver applications and especially for the noninvasive assessment of liver fibrosis, ultrasound-based elastography has shown promising results. Several ultrasound elastography techniques using different excitation methods have been developed. In general, these techniques are classified into strain elastography, which is a semi-quantitative method that uses internal or external compression for tissue stimulation, and shear wave elastography, which measures the ultrasound-generated shear wave speed at different locations in the tissue. All liver elastography techniques have a standardized examination technique, with the patient in a supine position, while the measurements are performed through the right liver lobe. There are also some confounding factors that need to be taken into account when performing liver elastography such as a higher level of aminotransferases, infiltrative liver disease, liver congestion, cholestasis. This chapter briefly introduces the basic principles of liver elastography and discusses some important clinical aspects of elastography, such as the examination technique and the limitations.

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Liver stiffness by shear wave elastography is influenced by meal and meal-related haemodynamic modifications

Cited by 5 publications

References 0 publications

Noninvasive Assessment of Liver Diseases using 2D Shear Wave Elastography

Noninvasive Assessment of Liver Diseases using 2D Shear Wave Elastography

2D Shear Wave Elastography for Liver Fibrosis Evaluation

Liver Elastography: Basic Principles, Evaluation Technique, and Confounding Factors

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