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Liver elastography

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https://www.readbyqxmd.com/read/29452268/high-prevalence-of-liver-fibrosis-among-european-adults-with-unknown-liver-disease-a-population-based-study
#1
Llorenç Caballería, Guillem Pera, Ingrid Arteaga, Lluís Rodríguez, Alba Alumà, Rosa Ma Morillas, Napoleón de la Ossa, Alba Díaz, Carmen Expósito, Dolores Miranda, Carmen Sánchez, Rosa Ma Prats, Marta Urquizu, Angels Salgado, Magda Alemany, Alba Martinez, Irfan Majeed, Núria Fabrellas, Isabel Graupera, Ramón Planas, Isabel Ojanguren, Miquel Serra, Pere Torán, Juan Caballería, Pere Ginès
BACKGROUND AND AIMS: Liver fibrosis is the main determinant of long-term outcome in chronic liver diseases. Little is known about prevalence of liver fibrosis in general population. Aim of the study was to investigate the prevalence of liver fibrosis in general adult population with unknown liver disease. METHODS: Population-based, cross-sectional study, performed in Barcelona metropolitan area. Subjects aged 18-75yr were identified randomly from citizens included in primary health care registry...
February 13, 2018: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29450605/abbreviated-mpmri-protocol-for-diffuse-liver-disease-a-practical-approach-for-evaluation-and-follow-up-of-nafld
#2
Guilherme Moura Cunha, Cristiane A Villela-Nogueira, Anke Bergman, Flavia Paiva Proença Lobo Lopes
AIM: Multiparametric magnetic resonance imaging (mpMRI) may help determine the metabolic profile of patients with obesity and metabolic syndrome in addition to their clinical and laboratory biomarkers for diagnosis and monitoring. An abbreviated mpMRI protocol may be a faster, less-costly, and easier to perform alternative for the diagnosis, treatment, and follow-up of patients with NAFLD and for use in clinical trials. OBJECTIVE: To evaluate an abbreviated mpMRI protocol tailored to analyze quantitative imaging features of patients with obesity and NAFLD and assess its use during treatment...
February 15, 2018: Abdominal Radiology
https://www.readbyqxmd.com/read/29446106/impact-of-controlled-attenuation-parameter-on-detecting-fibrosis-using-liver-stiffness-measurement
#3
T Karlas, D Petroff, M Sasso, J-G Fan, Y-Q Mi, V de Lédinghen, M Kumar, M Lupsor-Platon, K-H Han, A C Cardoso, G Ferraioli, W-K Chan, V W-S Wong, R P Myers, K Chayama, M Friedrich-Rust, M Beaugrand, F Shen, J-B Hiriart, S K Sarin, R Badea, H W Lee, P Marcellin, C Filice, S Mahadeva, G L-H Wong, P Crotty, K Masaki, J Bojunga, P Bedossa, V Keim, J Wiegand
BACKGROUND: Liver fibrosis is often accompanied by steatosis, particularly in patients with non-alcoholic fatty liver disease (NAFLD), and its non-invasive characterisation is of utmost importance. Vibration-controlled transient elastography is the non-invasive method of choice; however, recent research suggests that steatosis may influence its diagnostic performance. Controlled Attenuation Parameter (CAP) added to transient elastography enables simultaneous assessment of steatosis and fibrosis...
February 15, 2018: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29444164/evolution-of-nodule-stiffness-might-predict-response-to-local-ablative-therapy-a-series-of-patients-with-hepatocellular-carcinoma
#4
Michael Praktiknjo, Viktoria Krabbe, Alessandra Pohlmann, Matthias Sampels, Christian Jansen, Carsten Meyer, Christian P Strassburg, Jonel Trebicka, Maria A Gonzalez Carmona
BACKGROUND: Early information on treatment response of HCC to local ablative therapy is crucial. Elastography as a non-invasive method has recently been shown to play a potential role in distinguishing between benign and malignant liver lesions. Elastography of hepatocellular carcinoma (HCC) in early response to local ablative therapy has not been studied to date. METHODS: We prospectively included a cohort of 14 patients with diagnosis of HCC who were treated with local ablative therapy (transarterial chemoembolization, TACE and/or radiofrequency ablation, RFA)...
2018: PloS One
https://www.readbyqxmd.com/read/29433966/temporal-changes-in-liver-stiffness-after-fontan-operation-results-of-serial-magnetic-resonance-elastography
#5
Alexander Egbe, William R Miranda, Heidi M Connolly, Arooj R Khan, Mohamad Al-Otaibi, Sudhakar K Venkatesh, Douglas Simonetto, Patrick Kamath, Carole Warnes
BACKGROUND: The relationship between temporal progression of magnetic resonance elastography derived liver stiffness (MRE-LS) and progression of Fontan associated liver disease (FALD) is unknown. To assess this relationship, we hypothesized that progression of MRE-LS correlated with progression FALD severity and clinical outcomes. METHODS: Retrospective review of Fontan patients who had >1 liver MRE, 2010-2016. Annual change in MRE-LS was the quotient of the difference between baseline and subsequent MRE-LS, and the interval between scans...
February 9, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29427494/diagnosis-of-non-alcoholic-fatty-liver-disease-non-alcoholic-steatohepatitis-non-invasive-tests-are-enough
#6
REVIEW
Laurent Castera
Non-alcoholic fatty liver disease is a major cause of liver disease worldwide and the most common liver disorder in Western countries, affecting around 25% of the general population. Fibrosis is the major long-term histological prognostic criteria of this disease. Liver biopsy cannot be realistically performed in such a huge population and, moreover, has well-known limitations (invasiveness, rare but potentially life-threatening complications and sampling variability). Over the past decade, there has been a growing interest in alternative novel strategies for the non-invasive evaluation of fibrosis...
February 2018: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/29424449/viral-eradication-reduces-both-liver-stiffness-and-steatosis-in-patients-with-chronic-hepatitis-c-virus-infection-who-received-direct-acting-anti-viral-therapy
#7
T Tada, T Kumada, H Toyoda, Y Sone, K Takeshima, S Ogawa, T Goto, A Wakahata, M Nakashima, M Nakamuta, J Tanaka
BACKGROUND: Whether direct-acting anti-viral therapy can reduce liver fibrosis and steatosis in patients with chronic hepatitis C virus (HCV) infection is unclear. AIMS: To evaluate changes in liver stiffness and steatosis in patients with HCV who received direct-acting anti-viral therapy and achieved sustained virological response (SVR). METHODS: A total of 198 patients infected with HCV genotype 1 or 2 who achieved SVR after direct-acting anti-viral therapy were analysed...
February 9, 2018: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29411270/haptoglobin-genotype-and-vitamin%C3%A2-e-versus-placebo-for-the-treatment-of-nondiabetic-patients-with-nonalcoholic-steatohepatitis-in-china-a-multicenter-randomized-placebo-controlled-trial-design
#8
Shufei Zang, Jin Chen, Yu Song, Lang Bai, Jinjun Chen, Xiaoling Chi, Fangping He, Huiping Sheng, Jing Wang, Shilong Xie, Wen Xie, Yongfeng Yang, Jing Zhang, Minghua Zheng, Zhengsheng Zou, Bingyuan Wang, Junping Shi
INTRODUCTION: Vitamin E is one of the most promising agents for nonalcoholic steatohepatitis (NASH) treatment, and its drug responsiveness may be closely associated with haptoglobin (Hp) genotype. However, its efficacy and safety remain unknown in China. This clinical trial of vitamin E versus placebo for the treatment of nondiabetic patients with nonalcoholic steatohepatitis (VENS) is conducted to evaluate (a) the efficacy and safety of treatment with vitamin E softgel (300 mg/day) determined from standardized histologic scoring of liver biopsies, (b) whether treatment with vitamin E improves biochemical parameters, cytokines, anthropometric parameters, controlled attenuation parameter (CAP), and transient elastography (TE) values determined by Fibroscan and health-related quality of life (SF-36), (c) whether the efficacy of vitamin E treatment is associated with the Hp genotype in nondiabetic adults with NASH...
February 6, 2018: Advances in Therapy
https://www.readbyqxmd.com/read/29402629/point-shear-wave-elastography-predicts-liver-hypertrophy-after-portal-vein-embolization-and-postoperative-liver-failure
#9
A Hocquelet, N Frulio, G Gallo, C Laurent, P Papadopoulos, C Salut, A Denys, H Trillaud
PURPOSE: To correlate point-shear wave elastography (SWE) with liver hypertrophy after right portal vein embolization (RPVE) and to determine its usefulness in predicting postoperative liver failure in patients undergoing partial liver resection. PATIENTS AND METHODS: Point-SWE was performed the day before RPVE in 56 patients (41 men) with a median age of 66 years. The percentage (%) of future remnant liver (FRL) volume increase was defined as: %FRLpost-%FRLpre%FRLpre×100 and assessed on computed tomography performed 4 weeks after RPVE...
February 2, 2018: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29402486/could-ultrasound-elastography-reflect-liver-function
#10
Tingting Qiu, Hong Wang, Jinzhen Song, Gang Guo, Yujun Shi, Yan Luo, Jibin Liu
The purpose of this study was to investigate whether ultrasound elastography reflects liver function reserve relative to liver fibrosis histology. Sixty-five New Zealand rabbits were divided into an experimental group (n = 45) and a control group (n = 20). In the experimental group, liver fibrosis (F1-F4) was induced by subcutaneous injection of carbon tetrachloride. Point shear wave elastography and the indocyanine green (ICG) elimination test were performed for the two groups at 4-wk intervals for 56 wk...
February 2, 2018: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/29400362/motion-effects-on-the-measurement-of-stiffness-on-ultrasound-shear-wave-elastography-a-moving-liver-fibrosis-phantom-study
#11
Hyun Joo Shin, Myung-Joon Kim, Choon-Sik Yoon, Kwanseop Lee, Kwan Sik Lee, Jong-Chul Park, Mi-Jung Lee, Haesung Yoon
AIMS: To evaluate the differences between shear wave velocities (SWVs) measured with ultrasound elastography during the continuous motion using liver fibrosis phantoms. MATERIALS AND METHODS: Elasticities were measured with convex and linear transducers of supersonic shear wave imaging (SSI) and acoustic radiation force impulse imaging (ARFI) using liver elasticity phantoms (3.0 and 16.9 kPa) at depths of 2, 3, 4, and 5 cm. Motion velocities were 30 and 60 rpm with the phantoms in an upright position on the Orbital shaker...
February 4, 2018: Medical Ultrasonography
https://www.readbyqxmd.com/read/29396898/quantitative-estimation-of-progression-of-chronic-liver-disease-using-gadoxetate-disodium-enhanced-magnetic-resonance-imaging
#12
Akira Yamada, Yasunari Fujinaga, Takeshi Suzuki, Daisuke Komatsu, Yoshihiro Kitoh, Yuji Iwadate, Atsushi Nozaki, Kazuhiko Ueda, Masumi Kadoya
AIM: The purpose of this study is to determine whether the liver stiffness (LS) measured on magnetic resonance elastography (MRE) can be estimated by combination of gadoxetate disodium (Gd-EOB-DTPA)-enhanced MR imaging (EOB-MRI) and ordinary blood tests. METHODS: We evaluated 33 consecutive patients with suspected liver disease who underwent EOB-MRI using a Differential Subsampling with Cartesian Ordering (DISCO) MR sequence and MRE using 1.5-T MR system in this prospective study...
February 2, 2018: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/29391861/noninvasive-assessment-of-fibrosis-regression-in-hepatitis-c-virus-sustained-virologic-responders
#13
Hirsh D Trivedi, Steven C Lin, Daryl T Y Lau
The emergence of direct-acting antiviral (DAA) therapies and noninvasive measures of liver fibrosis has streamlined the management of patients with chronic hepatitis C virus (HCV) infection. DAA therapy is associated with a significantly higher rate of sustained virologic response (SVR) compared to interferon-based therapies. Concomitantly, validated noninvasive measures of fibrosis allow evaluation of patients for therapy without an invasive liver biopsy. Noninvasive measures of fibrosis can be classified as serologic tests or imaging modalities...
October 2017: Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29390144/clinical-predictors-of-liver-fibrosis-in-patients-with-chronic-hepatitis-b-virus-infection-from-children-to-adults
#14
Jia-Feng Wu, Shih-Hsi Song, Chee-Seng Lee, Huey-Ling Chen, Yen-Hsuan Ni, Hong-Yuan Hsu, Tzee-Chung Wu, Mei-Hwei Chang
Background: This study aimed to elucidate predictors of liver fibrosis in chronic hepatitis B virus (HBV)-infected subjects. Methods: Transient elastography was performed to define liver fibrosis in 533 chronic HBV-infected patients at 30.72 ± 0.57 years of age. Protein array was performed on serum samples and lysates of Huh7 cells transfected with HBV mutants; the results were confirmed by ELISA. Single nucleotide polymorphisms in the interleukin-1β gene were examined chronic HBV-infected patients with and without liver fibrosis...
January 30, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29381754/screening-for-nonalcoholic-steatohepatitis-by-using-cytokeratin-18-and-transient-elastography-in-hiv-mono-infection
#15
Amine Benmassaoud, Peter Ghali, Joseph Cox, Philip Wong, Jason Szabo, Marc Deschenes, Maria Osikowicz, Bertrand Lebouche, Marina B Klein, Giada Sebastiani
BACKGROUND AND AIM: HIV-infected individuals are at high risk of developing nonalcoholic steatohepatitis (NASH), a leading cause of end-stage liver disease in Western countries. Nonetheless, due to the invasiveness of liver biopsy, NASH remains poorly understood in HIV mono-infection. We aimed to characterize the prevalence and predictors of NASH in unselected HIV mono-infected patients by means of non-invasive diagnostic tools. METHODS: HIV-infected adults without significant alcohol intake or co-infection with hepatitis B or C underwent a routine screening program employing transient elastography (TE) with controlled attenuation parameter (CAP) and the serum biomarker cytokeratin-18 (CK-18)...
2018: PloS One
https://www.readbyqxmd.com/read/29380413/non-invasive-assessments-for-liver-fibrosis-the-crystal-ball-we-long-for
#16
REVIEW
Grace Lai-Hung Wong
Non-invasive assessment of liver fibrosis has been one of the most rapidly advancing fields in hepatology in the last decade. Progressive liver fibrosis results in cirrhosis, hepatocellular carcinoma (HCC) and various liver-related complications in essentially all chronic liver diseases. Assessment of liver fibrosis allows clinicians to determine the prognosis, need of treatment, disease progression and response to treatment in patients with chronic liver disease. Liver biopsy has been the gold standard in last few decades and most adopted diagnostic tool in clinical trials...
January 30, 2018: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29369503/magnetic-resonance-elastography-of-liver-and-spleen-methods-and-applications
#17
Philippe Garteiser, Sabrina Doblas, Bernard E Van Beers
The viscoelastic properties of the liver and spleen can be assessed with magnetic resonance elastography (MRE). Several actuators, MRI acquisition sequences and reconstruction algorithms have been proposed for this purpose. Reproducible results are obtained, especially when the examination is performed in standard conditions with the patient fasting. Accurate staging of liver fibrosis can be obtained by measuring liver stiffness or elasticity with MRE. Moreover, emerging evidence shows that assessing the tissue viscous parameters with MRE is useful for characterizing liver inflammation, non-alcoholic steatohepatitis, hepatic congestion, portal hypertension, and hepatic tumors...
January 25, 2018: NMR in Biomedicine
https://www.readbyqxmd.com/read/29369488/transient-elastography-for-non-invasive-evaluation-of-post-transplant-liver-graft-fibrosis-in-children
#18
Tiziana Vinciguerra, Andrea Brunati, Ezio David, Filomena Longo, Michele Pinon, Fulvio Ricceri, Luisa Castellino, Antonio Piga, Maria Teresa Giraudo, Francesco Tandoi, Fabio Cisarò, Dominic Dell Olio, Giuseppe Isolato, Renato Romagnoli, Mauro Salizzoni, Pier Luigi Calvo
As graft survival in pediatric LT is often affected by progressive fibrosis, numerous centers carry out protocol liver biopsies. Follow-up biopsy protocols differ from center to center, but all biopsies are progressively spaced out, as time from transplant increases. Therefore, there is a need for non-invasive techniques to evaluate graft fibrosis progression in those children who have no clinical or serological signs of liver damage. Indirect markers, such as the APRI, should be relied on with caution because their sensitivity in predicting fibrosis can be strongly influenced by the etiology of liver disease, severity of fibrosis, and patient age...
January 25, 2018: Pediatric Transplantation
https://www.readbyqxmd.com/read/29367830/numerical-simulations-of-magnetic-resonance-elastography-using-finite-element-analysis-with-a-linear-heterogeneous-viscoelastic-model
#19
Sunao Tomita, Hayato Suzuki, Itsuro Kajiwara, Gen Nakamura, Yu Jiang, Mikio Suga, Takayuki Obata, Shigeru Tadano
Abstract: Magnetic resonance elastography (MRE) is a technique to identify the viscoelastic moduli of biological tissues by solving the inverse problem from the displacement field of viscoelastic wave propagation in a tissue measured by MRI. Because finite element analysis (FEA) of MRE evaluates not only the viscoelastic model for a tissue but also the efficiency of the inversion algorithm, we developed FEA for MRE using commercial software called ANSYS, the Zener model for displacement field of a wave inside tissue, and an inversion algorithm called the modified integral method...
2018: Journal of Visualization
https://www.readbyqxmd.com/read/29361489/liver-stiffness-reflecting-right-sided-filling-pressure-can-predict-adverse-outcomes-in-patients-with-heart-failure
#20
Tatsunori Taniguchi, Tomohito Ohtani, Hidetaka Kioka, Yasumasa Tsukamoto, Toshinari Onishi, Kei Nakamoto, Themistoklis Katsimichas, Kaoruko Sengoku, Misato Chimura, Haruko Hashimoto, Osamu Yamaguchi, Yoshiki Sawa, Yasushi Sakata
OBJECTIVES: This study sought to investigate whether elevated liver stiffness (LS) values at discharge reflect residual liver congestion and are associated with worse outcomes in patients with heart failure (HF). BACKGROUND: Transient elastography is a newly developed, noninvasive method for assessing LS, which can be highly reflective of right-sided filling pressure associated with passive liver congestion in patients with HF. METHODS: LS values were determined for 171 hospitalized patients with HF before discharge using a Fibroscan device...
January 12, 2018: JACC. Cardiovascular Imaging
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