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Hepatic elastography

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https://www.readbyqxmd.com/read/28544232/peripartum-cytokine-flares-in-a-multiethnic-cohort-of-chronic-hepatitis-b-carriers-does-not-correlate-with-hepatitis-b-virus-suppression-or-increased-risk-of-liver-disease
#1
Shivali S Joshi, Daniel Wong, Eliana Castillo, Mark G Swain, Carla S Coffin
PROBLEM: In chronic hepatitis B (CHB) carriers, alanine transaminase (ALT) flares are common in the peripartum period. There are limited data on immunological changes of pregnancy in CHB. We hypothesize that in pregnant CHB carriers, the Th1/Th2 cytokine ratio is altered resulting in changes in biochemical/virological and liver fibrosis markers. STUDY METHODS: Serum from 38 pregnant/post-partum CHB carriers (median age 32 years, 53% Asian, 8 HBeAg(+) ) was tested for HBV DNA, quantitative HBV surface antigen, ALT and liver fibrosis by transient elastography (TE)...
May 19, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28533906/diagnosis-of-cirrhosis-and-portal-hypertension-imaging-non-invasive-markers-of-fibrosis-and-liver-biopsy
#2
REVIEW
Bogdan Procopet, Annalisa Berzigotti
The concept of 'cirrhosis' is evolving and it is now clear that compensated and decompensated cirrhosis are completely different in terms of prognosis. Furthermore, the term 'advanced chronic liver disease (ACLD)' better reflects the continuum of histological changes occurring in the liver, which continue to progress even after cirrhosis has developed, and might regress after removing the etiological factor causing the liver disease. In compensated ACLD, portal hypertension marks the progression to a stage with higher risk of clinical complication and requires an appropriate evaluation and treatment...
May 2017: Gastroenterology Report
https://www.readbyqxmd.com/read/28532285/utility-of-transient-elastography-in-estimating-hepatic-iron-concentration-in-comparison-to-magnetic-resonance-imaging-in-patients-who-are-transfusion-dependent-a-canadian-center-experience
#3
George Ou, Hin Hin Ko, Pari Tiwari, Navdeep Sandhu, Cherry Galorport, Terry Lee, Hatoon Ezzat
Transfusion-dependent hereditary anemias such as β-thalassemia (β-thal), predispose patients to iron overload and its numerous clinical sequelae. Accurate assessment of overall iron status and prompt initiation of chelation therapy to prevent irreversible end-organ damage can be achieved using magnetic resonance imaging (MRI) to measure liver iron concentration (LIC) as a surrogate marker of total body iron; however, its access may be associated with long wait times and delay in treatment. We report an observational cohort study at a single tertiary care center assessing the theoretical role of transient elastography (TE), which measures liver stiffness, in estimating LIC compared to other established diagnostic measures...
January 2017: Hemoglobin
https://www.readbyqxmd.com/read/28530847/repeatability-of-mr-elastography-of-liver-a-meta-analysis
#4
Suraj D Serai, Nancy A Obuchowski, Sudhakar K Ventakesh, Claude B Sirlin, Frank H Miller, Edward Ashton, Patricia E Cole, Richard L Ehman
Purpose To perform a meta-analysis to generate an estimate of the repeatability coefficient (RC) for magnetic resonance (MR) elastography of the liver. Materials and Methods A systematic search of databases was performed for publications on MR elastography during the 10-year period between 2006 and 2015. The identified studies were screened independently and were verified reciprocally by all authors. Two reviewers independently determined the percentage RC and effective sample size from each article. A forest plot was constructed of the percentage RC estimates from the 12 studies...
May 22, 2017: Radiology
https://www.readbyqxmd.com/read/28530647/stage-of-liver-fibrosis-in-patients-with-congenital-bleeding-disorders-and-infected-with-hepatitis-c-virus
#5
Marta Kucharska, Urszula Zaleska-Dorobisz, Aleksandra Szymczak, Marcin Inglot, Weronika Rymer, Małgorzata Zalewska, Krzysztof Małyszczak, Małgorzata Kuliszkiewicz-Janus, Małgorzata Inglot
INTRODUCTION    Hepatitis C virus (HCV) is the major cause of chronic liver disease in patients with hemophilia. As liver biopsy should not be routinely used in them, possibilities of accurate assessment of the fibrosis stage have been very limited until recently. OBJECTIVES    The aim of the study was to determine the stage of liver fibrosis in HCV-infected hemophiliacs with use of non-invasive methods of fibrosis assessment and to analyze the influence of risk factors on liver fibrosis.  PATIENTS AND METHODS    The study included 71 HCV-infected patients with hemophilia and other congenital bleeding disorders...
May 22, 2017: Polish Archives of Internal Medicine
https://www.readbyqxmd.com/read/28527666/hepatic-steatosis-progresses-faster-in-hiv-mono-infected-than-hiv-hcv-co-infected-patients-and-is-associated-with-liver-fibrosis
#6
Thomas Pembroke, Marc Deschenes, Bertrand Lebouché, Amine Benmassaoud, Maida Sewitch, Peter Ghali, Philip Wong, Alex Halme, Elise Vuille-Lessard, Costa Pexos, Marina B Klein, Giada Sebastiani
BACKGROUND & AIMS: Hepatic steatosis (HS) seems common in patients infected with human immunodeficiency virus (HIV). However, the relative effect of HIV, as well as hepatitis C virus (HCV) in those co-infected, and the influence of HS on liver fibrosis progression are unclear. METHODS: The LIVEr disease in HIV (LIVEHIV) is a Canadian prospective Cohort using transient elastography and associated controlled attenuation parameter (CAP) to screen for HS and liver fibrosis in unselected HIV-infected adults...
May 17, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28527146/real-time-elastography-rte-a-valuable-sonography-based-non-invasive-method-for-the-assessment-of-liver-fibrosis-in-chronic-hepatitis-b
#7
Tianyi Wang, Cuiping Shao, Guosheng Zhang, Youqing Xu
PURPOSE: To investigate the diagnostic usefulness of real-time elastography (RTE) for liver fibrosis in chronic hepatitis B (CHB). METHODS: 89 CHB patients were enrolled in the cross-sectional study. Ultrasound-guided percutaneous liver biopsies, RTE, and blood testing were performed in all patients. Areas under receiver operating characteristic curves (AUROC) were used to examine the diagnostic performance of liver fibrosis index (LFI) for the assessment of liver fibrosis...
May 19, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28521774/correlation-of-cell-free-dna-plasma-concentration-with-severity-of-non-alcoholic-fatty-liver-disease
#8
Thomas Karlas, Lara Weise, Stephanie Kuhn, Felix Krenzien, Matthias Mehdorn, David Petroff, Nicolas Linder, Alexander Schaudinn, Harald Busse, Volker Keim, Johann Pratschke, Johannes Wiegand, Katrin Splith, Moritz Schmelzle
BACKGROUND: The assessment of fibrosis and inflammatory activity is essential to identify patients with non-alcoholic fatty liver disease (NAFLD) at risk for progressive disease. Serum markers and ultrasound-based methods can replace liver biopsy for fibrosis staging, whereas non-invasive characterization of inflammatory activity remains a clinical challenge. Cell-free DNA (cfDNA) is a novel non-invasive biomarker for assessing cellular inflammation and cell death, which has not been evaluated in NAFLD...
May 19, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28510583/liver-fibrosis-staging-with-a-new-2d-shear-wave-elastography-using-comb-push-technique-applicability-reproducibility-and-diagnostic-performance
#9
Sang Min Lee, Jeong Min Lee, Hyo-Jin Kang, Hyung Kung Yang, Jeong Hee Yoon, Won Chang, Su Joa An, Kyoung Bun Lee, Seung Yon Baek
OBJECTIVE: To evaluate the applicability, reproducibility, and diagnostic performance of a new 2D-shear wave elastography (SWE) using the comb-push technique (2D CP-SWE) for detection of hepatic fibrosis, using histopathology as the reference standard. MATERIALS AND METHODS: This prospective study was approved by the institutional review board, and informed consent was obtained from all patients. The liver stiffness (LS) measurements were obtained from 140 patients, using the new 2D-SWE, which uses comb-push excitation to produce shear waves and a time-aligned sequential tracking method to detect shear wave signals...
2017: PloS One
https://www.readbyqxmd.com/read/28506907/validity-criteria-for-the-diagnosis-of-fatty-liver-by-m-probe-based-controlled-attenuation-parameter
#10
Vincent Wai-Sun Wong, Salvatore Petta, Jean-Baptiste Hiriart, Calogero Cammà, Grace Lai-Hung Wong, Fabio Marra, Julien Vergniol, Anthony Wing-Hung Chan, Antonino Tuttolomondo, Wassil Merrouche, Henry Lik-Yuen Chan, Brigitte Le Bail, Umberto Arena, Antonio Craxì, Victor de Lédinghen
BACKGROUND & AIMS: Controlled attenuation parameter (CAP) can be performed together with liver stiffness measurement (LSM) by transient elastography and is often used to diagnose fatty liver. We aimed to define the validity criteria of CAP. METHODS: CAP was measured by the M probe prior to liver biopsy in 754 consecutive patients with different liver diseases at 3 centres in Europe and Hong Kong (derivation cohort, n=340; validation cohort, n=414; 101 chronic hepatitis B, 154 chronic hepatitis C, 349 non-alcoholic fatty liver disease, 37 autoimmune hepatitis, 49 cholestatic liver disease, 64 others; 277 F3-4; age 52±14; body mass index 27...
May 12, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28493388/magnetic-resonance-elastography-measured-shear-stiffness-as-a-biomarker-of-fibrosis-in-pediatric-nonalcoholic-fatty-liver-disease
#11
Jeffrey B Schwimmer, Cynthia Behling, Jorge Eduardo Angeles, Melissa Paiz, Janis Durelle, Jonathan Africa, Kimberly P Newton, Elizabeth M Brunt, Joel E Lavine, Stephanie H Abrams, Prakash Masand, Rajesh Krishnamurthy, Kelvin Wong, Richard L Ehman, Meng Yin, Kevin J Glaser, Bogdan Dzyubak, Tanya Wolfson, Anthony C Gamst, Jonathan Hooker, William Haufe, Alexandra Schlein, Gavin Hamilton, Michael S Middleton, Claude B Sirlin
Magnetic Resonance Elastography (MRE) is promising for non-invasive assessment of fibrosis, a major determinant of outcome in nonalcoholic fatty liver disease (NAFLD). However, data in children are limited. Study aims were to determine accuracy of MRE for detection of fibrosis and advanced fibrosis in children with NAFLD, and to assess agreement between manual and novel automated reading methods. We performed a prospective, multi-center study of 2D-MRE in children with NAFLD. MR-elastograms were analyzed manually at 2 reading centers and using a new automated technique...
May 11, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28492613/erratum-correction-to-hu-x-et-al-acoustic-radiation-force-impulse-arfi-elastography-for-non%C3%A2-invasive-evaluation-of-hepatic-fibrosis-in-chronic-hepatitis-b-and-c-patients-a-systematic-review-and-meta-analysis-med-ultrason-2017-19-1-23-3
#12
(no author information available yet)
The authors have been made aware of the errors that appeared at Corresponding author: correct phone number 86-10-63138297 and correct email qianlinxue2002@163.com, and also at acknowledgements: correct grant no. 2014-3-009.
June 2017: Medical Ultrasonography
https://www.readbyqxmd.com/read/28491093/therapeutic-effect-and-location-of-gfp-labeled-placental-mesenchymal-stem-cells-on-hepatic-fibrosis-in-rats
#13
Jiong Yu, Guangshu Hao, Dan Wang, Jingqi Liu, Xiaotian Dong, Yanni Sun, Qiaoling Pan, Yang Li, Xiaowei Shi, Lanjuan Li, Hongcui Cao
Background. Liver fibrosis is a chronic progressive liver disease, but no established effective treatment exists except for liver transplantation. The present study was designed to investigate the effect of human placenta mesenchymal stem cells (hPMSCs) expressing green fluorescent protein (GFP) on carbon tetrachloride- (CCl4-) induced liver fibrosis in rats. Methods. Liver fibrosis was induced by subcutaneous injection with CCl4; hPMSCs were directly transplanted into rats through the caudal vein. The therapeutic efficacy of hPMSCs on liver fibrosis was measured by liver function tests, liver elastography, histopathology, Masson's trichrome and Sirius red staining, and immunohistochemical studies...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28483579/comparison-of-2-d-shear-wave-elastography-and-transient-elastography-for-assessing-liver-fibrosis-in-chronic-hepatitis-b
#14
Jie Zeng, Jian Zheng, Zeping Huang, Shigao Chen, Jing Liu, Tao Wu, Rongqin Zheng, Mingde Lu
This study compared 2-D shear wave elastography (SWE) and transient elastography (TE) for liver fibrosis staging in patients with chronic hepatitis B (CHB) infection using liver biopsy as the reference standard. Patients with CHB infection who underwent liver biopsy were consecutively included. After exclusions, 257 patients were analyzed. Two-dimensional SWE resulted in a significantly higher rate of reliable measurements (98.1%, 252/257) than TE (93.0%, 239/257) (p = 0.011). Liver stiffness measurements of the two examinations exhibited a strong correlation (r = 0...
May 5, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28481460/high-efficacy-of-sofosbuvir-plus-simeprevir-in-a-large-cohort-of-spanish-cirrhotic-patients-infected-with-genotypes-1-and-4
#15
Zoe Mariño, Juan Manuel Pascasio-Acevedo, Adolfo Gallego, Moisés Diago, Carme Baliellas, Rosa Morillas, Martín Prieto, José María Moreno, Gloria Sánchez-Antolín, Mercedes Vergara, Montserrat Forné, Inmaculada Fernández, Maria Ángeles Castro, Sonia Pascual, Alexandra Gómez, Lluis Castells, Jose Luis Montero, Javier Crespo, Jose Luis Calleja, Javier García-Samaniego, Jose Antonio Carrión, Ana Del Carmen Arencibia, Alejandro Blasco, Carmen López-Núñez, Juan José Sánchez-Ruano, Francisco Gea-Rodríguez, Álvaro Giráldez, Joaquín Cabezas, Vanessa Hontangas, Xavier Torras, Jose Castellote, Manuel Romero-Gómez, Juan Turnes, Tomás de Artaza, Isidoro Narváez, Valentín Cuervas-Mons, Xavier Forns
BACKGROUND AND AIMS: Hepatitis C (HCV) therapy with Sofosbuvir(SOF)/ Simeprevir(SMV) in clinical trials and real-world clinical practice, showed high rates of sustained virological response (SVR) in non-cirrhotic genotype(GT)-1 and 4 patients. These results were slightly lower in cirrhotic patients. We investigated real-life effectiveness and safety of SOF/SMV with or without ribavirin(RBV) in a large cohort of cirrhotic patients. METHODS: This collaborative multicentre study included data from 968 patients with cirrhosis infected with HCV-GT1 or 4, treated with SOF/SMV±RBV in 30 centres across Spain between January-2014 and December-2015...
May 8, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28480856/comparative-study-of-fib-4-index-and-transient-elastography-among-patients-with-chronic-hepatitis-c-virus-infection-in-georgia
#16
E Dolmazashvili, M Karchava, A Abutidze, L Sharvadze, T Tsertsvadze
Liver biopsy remains the reference standard for fibrosis staging. However, it has several limitations, which have led to the development of non-invasive methods. We evaluated liver fibrosis severity among HCV infected patients by comparing transient elastography (TE) and FIB-4 index. Retrospective study was conducted. Clinical data for 750 patients were obtained. The mean age of the study population was 51 years; 595 (79.3%) were male and 155 (20.7%) were female. TE and tests on biological samples were performed within one-week timeframe...
March 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28480681/the-role-of-liver-segment-to-spleen-volume-ratio-in-the-staging-of-hepatic-fibrosis-in-patients-with-hepatitis-c-virus-infection
#17
Eyal Lotan, Stephen P Raskin, Michal M Amitai, Yeruham Kleinbaum, Ella Veitsman, Peretz Weiss, Oranit Cohen-Ezra, Tania Berdichevski, Ziv Ben-Ari
BACKGROUND: Accurate assessment of liver fibrosis is crucial for the management of patients with hepatitis C virus (HCV) infection. OBJECTIVES: To evaluate the performance of liver segment-to-spleen volume ratio in predicting the severity of liver fibrosis. METHODS: Sixty-four consecutive HCV patients were enrolled in this retrospective study. All patients underwent contrast-enhanced computed tomography (CT) and were divided into three groups based on their hepatic fibrosis stage evaluated by shear-wave elastography (SWE): non-advanced (F0-F1, n=29), advanced (F2, n=19) and severe fibrosis (F3-F4, n=16)...
April 2017: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/28480218/magnetic-resonance-elastography-shear-wave-velocity-correlates-with-liver-fibrosis-and-hepatic-venous-pressure-gradient-in-adults-with-advanced-liver-disease
#18
Ahmed M Gharib, Ma Ai Thanda Han, Eric G Meissner, David E Kleiner, Xiongce Zhao, Mary McLaughlin, Lindsay Matthews, Bisharah Rizvi, Khaled Z Abd-Elmoniem, Ralph Sinkus, Elliot Levy, Christopher Koh, Robert P Myers, G Mani Subramanian, Shyam Kottilil, Theo Heller, Joseph A Kovacs, Caryn G Morse
Background. Portal hypertension, an elevation in the hepatic venous pressure gradient (HVPG), can be used to monitor disease progression and response to therapy in cirrhosis. Since obtaining HVPG measurements is invasive, reliable noninvasive methods of assessing portal hypertension are needed. Methods. Noninvasive markers of fibrosis, including magnetic resonance elastography (MRE) shear wave velocity, were correlated with histologic fibrosis and HVPG measurements in hepatitis C (HCV) and/or HIV-infected patients with advanced liver disease enrolled in a clinical trial of treatment with simtuzumab, an anti-LOXL2 antibody...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28479902/low-sero-prevalence-of-hepatitis-delta-antibodies-in-hiv-hepatitis-b-co-infected-patients-attending-an-urban-hiv-clinic-in-uganda
#19
Elizabeth Katwesigye, Emmanuel Seremba, Fred Semitala, Ponsiano Ocama
BACKGROUND: Co-infection with hepatitis B (HBV) and hepatitis D (HDV) is common among human immunodeficiency virus (HIV) infected individuals in developing countries and it aggressively accelerates progression of liver disease to cirrhosis and other complications. There is scarcity of data on HDV in sub-Saharan Africa .We investigated the sero-prevalence and factors associated with HDV antibody among HIV/HBV co-infected patients attending a large urban HIV clinic in Uganda. METHODS: We screened 189 HIV/HBV co-infected individuals for anti-HDV immunoglobulin G (IgG) and performed logistic regression to determine the associated factors...
December 2016: African Health Sciences
https://www.readbyqxmd.com/read/28473066/acr-appropriateness-criteria-%C3%A2-chronic-liver%C3%A2-disease
#20
Jeanne M Horowitz, Ihab R Kamel, Hina Arif-Tiwari, Sumeet K Asrani, Nicole M Hindman, Harmeet Kaur, Michelle M McNamara, Richard B Noto, Aliya Qayyum, Tasneem Lalani
Because liver fibrosis can be treated, it is important to diagnose liver fibrosis noninvasively and monitor response to treatment. Although ultrasound (grayscale and Doppler) can diagnose cirrhosis, it does so unreliably using morphologic and sonographic features and cannot diagnose the earlier, treatable stages of hepatic fibrosis. Transient elastography, ultrasound elastography with acoustic radiation force impulse, and MR elastography are modalities that can assess for hepatic fibrosis. Although all international organizations recommend ultrasound for screening for hepatocellular carcinoma, ultrasound is particularly limited for identifying hepatocellular carcinoma in patients with obesity, nonalcoholic fatty liver disease, and nodular cirrhotic livers...
May 2017: Journal of the American College of Radiology: JACR
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