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Liver elastography

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https://www.readbyqxmd.com/read/28735336/acoustic-radiation-force-impulse-arfi-elastography-and-serological-markers-in-assessment-of-liver-fibrosis-and-free-portal-pressure-in-patients-with-hepatitis-b
#1
Jun Li, Jie Yu, Xin-Yu Peng, Ting-Ting Du, Jia-Jia Wang, Jin Tong, Gui-Lin Lu, Xiang-Wei Wu
BACKGROUND The aim of this study was to investigate the feasibility of using acoustic radiation force impulse (ARFI) elastography, AST-to-platelet ratio index (APRI), and FIB-4 in assessing liver fibrosis and free portal pressure in patients with hepatitis B. MATERIAL AND METHODS We enrolled 126 patients with hepatitis B who underwent liver surgery at the General Surgery Department of the First Affiliated Hospital of Shihezi University Medical School from February 2013 to August 2015. Preoperatively, shear wave velocity (SWV) of the liver was measured with the Siemens S2000 ultrasound system to reflect liver stiffness...
July 23, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28723710/controlled-attenuation-parameter-and-mr-spectroscopy-measured-liver-steatosis-are-discordant-in-hiv-infected-adults-with-high-body-mass
#2
Jennifer C Price, Jennifer L Dodge, Yifei Ma, Rebecca Scherzer, Natalie Korn, Kyle Tillinghast, Marion G Peters, Susan Noworolski, Phyllis C Tien
OBJECTIVE: Hepatic steatosis (HS) is common in HIV-infected individuals. Magnetic resonance spectroscopy (MRS) is the preferred non-invasive method for HS measurement but is expensive. Controlled attenuation parameter (CAP) also assesses HS and is conveniently performed concomitantly with transient elastography. We aimed to assess the accuracy of CAP in the setting of HIV infection. DESIGN: Cross-sectional study. METHODS: CAP and MRS were performed in 82 subjects (39 HIV-monoinfected;7 HCV-monoinfected;21 HIV/HCV-coinfected; 15 with neither infection)...
July 18, 2017: AIDS
https://www.readbyqxmd.com/read/28720056/influence-of-tissue-microstructure-on-shear-wave-speed-measurements-in-plane-shear-wave-elastography-a-computational-study-in-lossless-fibrotic-liver-media
#3
Yu Wang, Jingfeng Jiang
Shear wave elastography (SWE) has been used to measure viscoelastic properties for characterization of fibrotic livers. In this technique, external mechanical vibrations or acoustic radiation forces are first transmitted to the tissue being imaged to induce shear waves. Ultrasonically measured displacement/velocity is then utilized to obtain elastographic measurements related to shear wave propagation. Using an open-source wave simulator, k-Wave, we conducted a case study of the relationship between plane shear wave measurements and the microstructure of fibrotic liver tissues...
July 1, 2017: Ultrasonic Imaging
https://www.readbyqxmd.com/read/28715086/optimal-use-of-transient-elastography-and-acoustic-radiation-force-impulse-to-stage-liver-fibrosis-in-hiv-hcv-coinfected-patients-in-clinical-practice
#4
Juan José López, Núria Pérez-Àlvarez, Raul V Rodríguez, Antoni Jou, Pere Carbonell, José A Jiménez, Laura Soldevila, Montserrat Tenesa, Jordi Tor, Bonaventura Clotet, Jordi Bechini, Cristina Tural
OBJECTIVES: Liver fibrosis (LF) is crucial for the individualized management of patients with hepatitis C virus (HCV). We evaluated the concordance between two noninvasive methods for staging LF, transient elastography (TE) and acoustic radiation force impulse (ARFI), in patients coinfected with human immunodeficiency virus and HCV. We propose an algorithm for optimal use of both techniques in routine clinical practice. METHODS: A total of 89 human immunodeficiency virus/HCV-coinfected patients underwent TE and ARFI on the same day...
July 17, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28711320/liver-stiffness-measurement-by-transient-elastography-predicts-late-posthepatectomy-outcomes-in-patients-undergoing-resection-for-hepatocellular-carcinoma
#5
Muthukumarassamy Rajakannu, Daniel Cherqui, Oriana Ciacio, Nicolas Golse, Gabriella Pittau, Marc Antoine Allard, Teresa Maria Antonini, Audrey Coilly, Antonio Sa Cunha, Denis Castaing, Didier Samuel, Catherine Guettier, René Adam, Eric Vibert
BACKGROUND: Postoperative hepatic decompensation is a serious complication of liver resection in patients undergoing hepatectomy for hepatocellular carcinoma. Liver fibrosis and clinical significant portal hypertension are well-known risk factors for hepatic decompensation. Liver stiffness measurement is a noninvasive method of evaluating hepatic venous pressure gradient and functional hepatic reserve by estimating hepatic fibrosis. Effectiveness of liver stiffness measurement in predicting persistent postoperative hepatic decompensation has not been investigated...
July 12, 2017: Surgery
https://www.readbyqxmd.com/read/28707006/editorial
#6
EDITORIAL
Guntram Lock
Dear colleagues, It is a pleasure to introduce you to the 2nd issue of UIO in 2017, demonstrating, again, the wide applications and promising developments in ultrasonography. The issue starts with a special editorial from Ioan Sporea from Romania, very well known for his scientific work on the clinical significance of elastography. Dr. Sporea outlines the central role of modern sonographic techniques for clinical decision making in modern hepatology. Together with the great advances in the treatment of chronic viral hepatitis, ultrasonography with elastography and CEUS as a "one stop shopping" facility may give us all the information we need to proceed to treatment, thus superseding liver biopsy in many (though definitively not all) patients with liver disease...
April 2017: Ultrasound International Open
https://www.readbyqxmd.com/read/28704381/sofosbuvir-based-treatment-of-chronic-hepatitis-c-genotype-3-infections-a-scandinavian-real-life-study
#7
Olav Dalgard, Ola Weiland, Geir Noraberg, Lars Karlsen, Lars Heggelund, Martti Färkkilâ, Ulla Balslev, Erika Belard, Anne Øvrehus, Mette Skalshøi Kjær, Henrik Krarup, Birgit Thorup Røge, Sofie Hallager, Lone G Madsen, Alex Lund Laursen, Martin Lagging, Nina Weis
BACKGROUND AND AIMS: Chronic hepatitis C virus (HCV) genotype 3 infection with advanced liver disease has emerged as the most challenging to treat. We retrospectively assessed the treatment outcome of sofosbuvir (SOF) based regimes for treatment of HCV genotype 3 infections in a real life setting in Scandinavia. METHODS: Consecutive patients with chronic HCV genotype 3 infection were enrolled at 16 treatment centers in Denmark, Sweden, Norway and Finland. Patients who had received a SOF containing regimen were included...
2017: PloS One
https://www.readbyqxmd.com/read/28701893/risk-assessment-of-hepatocellular-carcinoma-in-general-population-by-liver-stiffness-in-combination-with-controlled-attenuation-parameter-using-transient-elastography-a-cross-sectional-study
#8
Takaaki Sugihara, Masahiko Koda, Tomomitsu Matono, Kinya Okamoto, Yoshikazu Murawaki, Hajime Isomoto, Shiho Tokunaga
BACKGROUND: Hepatocellular carcinoma (HCC) in patients without hepatitis B (HBV) and -C virus (HCV) infection are increasing in Japan. Method for detecting high-risk liver diseases of HCC in general population has still not been established. Liver stiffness measurement (LSM) and Controlled Attenuation Parameter (CAP) using transient elastography (TE; FibroScan System) are useful for detecting liver fibrosis and steatosis. The aim of this study is to clarify TE for risk assessment of HCC in general population...
June 2017: Yonago Acta Medica
https://www.readbyqxmd.com/read/28692443/a-single-test-combining-blood-markers-and-elastography-is-more-accurate-than-other-fibrosis-tests-in-the-main-causes-of-chronic-liver-diseases
#9
Alexandra Ducancelle, Vincent Leroy, Julien Vergniol, Nathalie Sturm, Brigitte Le Bail, Jean Pierre Zarski, Eric Nguyen Khac, Dominique Salmon, Victor de Ledinghen, Paul Calès
BACKGROUND AND GOAL: International guidelines suggest combining a blood test and liver stiffness measurement (LSM) to stage liver fibrosis in chronic hepatitis C (CHC) and non-alcoholic fatty liver disease (NAFLD). Therefore, we compared the accuracies of these tests between the main etiologies of chronic liver diseases. STUDY: Overall, 1968 patients were included in 5 etiologies: CHC: 698, chronic hepatitis B: 152, human immunodeficiency virus/CHC: 628, NAFLD: 225, and alcoholic liver disease (ALD): 265...
August 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/28688902/serum-s100-calcium-binding-protein-a4-improves-the-diagnostic-accuracy-of-transient-elastography-for-assessing-liver-fibrosis-in-hepatitis-b
#10
Li-Bo Yan, Qing-Bo Zhang, Xia Zhu, Min He, Hong Tang
AIM: The diagnostic performance of Fibroscan might be improved when combined with other serum fibrosis related markers. Previous study has demonstrated that S100A4 expression is associated with liver fibrosis in humans with hepatitis. This study aimed to clarify diagnostic accuracy of serum S100A4 levels for significant liver fibrosis in patients with chronic hepatitis B (CHB), and develop a combined algorithm of liver stiffness measurement (LSM) and S100A4 to predict significant liver fibrosis in CHB...
July 5, 2017: Clinics and Research in Hepatology and Gastroenterology
https://www.readbyqxmd.com/read/28688190/improvement-of-glycemic-state-among-responders-to-sofosbuvir-based-treatment-regimens-single-center-experience
#11
Shereen Abdel Alem, Aisha Elsharkawy, Rabab Fouad, Eman Adel, Zeinab Abdellatif, Sherief Musa, Ahmed Nagy, Muhammad S Hussein, Ayman Yosry, Gamal Esmat
BACKGROUND: Chronic HCV infection has emerged as a complex multifaceted disease with manifestations extending beyond the liver. HCV plays a direct role in glucose metabolism leading to both insulin resistance and type 2 diabetes. AIMS: To evaluate the changes in the glycemic state following Sofosbuvir-based treatment regimens in diabetic HCV patients. METHODS: Four hundred chronic hepatitis C patients who underwent Sofosbuvir-based treatment regimens were retrospectively screened...
July 8, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28684589/imaging-in-metabolic-research-adipose-tissue-and-liver
#12
Jesper Lundbom
Adipose tissue and liver are central tissues in whole body energy metabolism. Their composition, structure and function can be non-invasively imaged using a variety of measurement techniques, which provide a safe alternative to an invasive biopsy. Imaging of adipose tissue is focused on quantitating the distribution of adipose tissue in subcutaneous and intra-abdominal (visceral) adipose tissue depots. Also detailed subdivisions of adipose tissue can be distinguished with modern imaging techniques. Adipose tissue accumulation or infiltration of other organs can also be imaged...
July 6, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28680839/early-detection-of-liver-damage-in-mexican-patients-with-chronic-liver-disease
#13
Rafael Torres-Valadez, Sonia Roman, Alexis Jose-Abrego, Maricruz Sepulveda-Villegas, Claudia Ojeda-Granados, Ingrid Rivera-Iñiguez, Arturo Panduro
BACKGROUND AND OBJECTIVE: Liver cirrhosis is usually detected at the later stages of disease. This study is aimed to detect liver damage in patients with chronic liver disease using transitional elastography (TE) and to assess the biochemical parameters associated with liver damage. METHODS: In 578 patients, chronic liver disease based on etiology was diagnosed by clinical and laboratory tests. Liver damage was evaluated with TE (FibroScan®), while its association with biochemical parameters was performed using the logistic regression tests...
March 2017: Journal of Translational Internal Medicine
https://www.readbyqxmd.com/read/28679676/economic-evaluation-of-a-community-based-diagnostic-pathway-to-stratify-adults-for-non-alcoholic-fatty-liver-disease-a-markov-model-informed-by-a-feasibility-study
#14
Lukasz Tanajewski, Rebecca Harris, David J Harman, Guruprasad P Aithal, Timothy R Card, Georgios Gkountouras, Vladislav Berdunov, Indra N Guha, Rachel A Elliott
OBJECTIVES: To assess the long-term cost-effectiveness of a risk stratification pathway, compared with standard care, for detecting non-alcoholic fatty liver disease (NAFLD) in primary care. SETTING: Primary care general practices in England. PARTICIPANTS: Adults who have been identified in primary care to have a risk factor for developing NAFLD, that is, type 2 diabetes without a history of excessive alcohol use. INTERVENTION: A community-based pathway, which uses transient elastography and hepatologists to stratify patients at risk of NAFLD, has been implemented and demonstrated to be feasible (NCT02037867)...
July 5, 2017: BMJ Open
https://www.readbyqxmd.com/read/28674631/liver-stiffness-assessed-by-fibrosis-4-index-predicts-mortality-in-patients-with-heart-failure
#15
Yu Sato, Akiomi Yoshihisa, Yuki Kanno, Shunsuke Watanabe, Tetsuro Yokokawa, Satoshi Abe, Tomofumi Misaka, Takamasa Sato, Satoshi Suzuki, Masayoshi Oikawa, Atsushi Kobayashi, Takayoshi Yamaki, Hiroyuki Kunii, Kazuhiko Nakazato, Shu-Ichi Saitoh, Yasuchika Takeishi
OBJECTIVE: Liver dysfunction due to heart failure (HF) is known as congestive hepatopathy. It has recently been reported that liver stiffness assessed by transient elastography reflects increased central venous pressure. The Fibrosis-4 (FIB4) index (age (years) × aspartate aminotransferase (IU/L)/platelet count (10(9)/L) × square root of alanine aminotransferase (IU/L)) is expected to be useful for evaluating liver stiffness in patients with non-alcoholic fatty liver disease. We aimed to investigate the impact of the FIB4 index on HF prognosis, with consideration for liver fibrosis markers and underlying cardiac function...
2017: Open Heart
https://www.readbyqxmd.com/read/28673437/-i-didn-t-want-to-let-it-go-too-far-the-decisions-and-experiences-of-people-who-inject-drugs-who-received-a-liver-disease-assessment-as-part-of-a-liver-health-promotion-campaign-the-liverlife-study
#16
Alison D Marshall, Jason Grebely, Gregory J Dore, Carla Treloar
BACKGROUND: An open cohort study (LiveRLife) evaluating an intervention integrating non-invasive liver disease assessment via transient elastography (TE) among people who inject drugs (PWID) was conducted in New South Wales, Australia. Participant follow-up occurred 2-16 weeks post-enrolment. It is imperative that PWID understand liver assessment results in order to make informed decisions about their health. The aim of this study was to evaluate the decisions and experiences of participants who received a liver disease assessment, including interpretation of TE score and subsequent health behaviours, using a health literacy framework...
June 30, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/28666550/evaluation-of-antivascular-combretastatin-a4-p-efficacy-using-supersonic-shear-imaging-technique-of-ectopic-colon-carcinoma%C3%A2-ct26
#17
Johanne Seguin, Nathalie Mignet, Heldmuth Latorre Ossa, Mickaël Tanter, Jean-Luc Gennisson
A recent ultrasound imaging technique-shear wave elastography-showed its ability to image and quantify the mechanical properties of biological tissues, such as prostate or liver tissues. In the present study this technique was used to evaluate the relationship among tumor growth, stiffness and reduction of treatment with combretastatin (CA4 P) in allografted colon tumor CT26 in mice. During 12 d, CT26 tumor growth (n = 52) was imaged by ultrasound, and shear modulus was quantified, showing a good correlation between tumor volume and stiffness (r = 0...
June 27, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28666070/reduced-risk-of-hepatocellular-carcinoma-by-achieving-a-subcirrhotic-liver-stiffness-through-antiviral-agents-in-hepatitis-b-virus-related-advanced-fibrosis-or-cirrhosis
#18
Byung Seok Kim, Yeon Seok Seo, Young Seok Kim, Chang Hyeong Lee, Han Ah Lee, Um Soon Ho, Jeong-Ju Yoo, Sang Gyune Kim, Sang Jun Suh, Young Kul Jung, Sang Hoon Ahn, Kwang-Hyub Han, Hyung Joon Yim, Seung Up Kim
BACKGROUND&AIMS: A subcirrhotic range of liver stiffness (sc-LS), assessed by transient elastography, is associated with better outcomes in patients with chronic hepatitis B (CHB). We investigated whether the achievement of sc-LS by antiviral therapy (AVT) reduced the risk of developing hepatocellular carcinoma (HCC) in patients with CHB-related advanced fibrosis or cirrhosis. METHODS: In total, 209 patients with CHB-related advanced fibrosis or cirrhosis, who received paired transient elastography (TE) examinations during AVT between 2007 and 2012, were enrolled...
June 30, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28659191/an-ultrasound-transient-elastography-system-with-coded-excitation
#19
Xianfen Diao, Jing Zhu, Xiaonian He, Xin Chen, Xinyu Zhang, Siping Chen, Weixiang Liu
BACKGROUND: Ultrasound transient elastography technology has found its place in elastography because it is safe and easy to operate. However, it's application in deep tissue is limited. The aim of this study is to design an ultrasound transient elastography system with coded excitation to obtain greater detection depth. METHODS: The ultrasound transient elastography system requires tissue vibration to be strictly synchronous with ultrasound detection. Therefore, an ultrasound transient elastography system with coded excitation was designed...
June 28, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28658094/multimorbidity-and-polypharmacy-in-diabetic-patients-with-nafld-implications-for-disease-severity-and-management
#20
Preya Janubhai Patel, Kelly Lee Hayward, Rathiga Rudra, Leigh Ula Horsfall, Fabrina Hossain, Suzanne Williams, Tracey Johnson, Nigel Neil Brown, Nivene Saad, Andrew Donald Clouston, Katherine Anne Stuart, Patricia Casarolli Valery, Katharine Margaret Irvine, Anthony William Russell, Elizabeth Ellen Powell
An observational study describing the number and type of chronic conditions and medications taken by diabetic patients with NAFLD and identifying characteristics that may impact liver disease severity or clinical management.Adults with type 2 diabetes have a high prevalence of nonalcoholic fatty liver disease (NAFLD) and increased risk of developing advanced liver disease. Appropriate management should consider the characteristics of the diabetic NAFLD population, as comorbid conditions and medications may increase the complexity of treatment strategies...
June 2017: Medicine (Baltimore)
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