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Hepatic elastography

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https://www.readbyqxmd.com/read/28214021/arfi-elastography-changes-after-direct-acting-antiviral-treatment-in-transplanted-livers-with-relapse-of-hepatitis-c-virus-infection
#1
M Alfageme Zubillaga, T Fontanilla Echeveste, I Pérez González, A Royuela Vicente, A M Duca, R M Ruiz Peralbo, C González Hernando
OBJECTIVE: To evaluate the changes in the values obtained in acoustic radiation force impulse (ARFI) elastography of the liver after antiviral treatment in patients with liver transplants and hepatitis C virus (HVC) infection recurring after transplantation. MATERIAL AND METHODS: We studied 15 patients infected with HVC who had received liver transplants where an HVC infection recurring in the graft within one year after the transplant was treated with direct-acting antivirals...
February 14, 2017: Radiología
https://www.readbyqxmd.com/read/28203279/a-noninvasive-diagnostic-model-to-assess-nonalcoholic-hepatic-steatosis-in-patients-with-chronic-hepatitis-b
#2
Hongjie Ou, Shaohang Cai, Ying Liu, Muye Xia, Jie Peng
OBJECTIVE: The objective of this study was to develop a noninvasive diagnostic test for nonalcoholic hepatic steatosis in patients with chronic hepatitis B (CHB) by using routinely available clinical markers. METHODS: A retrospective study of patients with CHB, with or without hepatic steatosis (fatty change) who were diagnosed with controlled attenuation parameter (CAP) measured by transient elastography were included. Patient information was analyzed on lifestyle; laboratory tests, including serum lipid levels; blood pressure; blood uric acid; and medical history of type 2 diabetes mellitus (T2DM)...
February 2017: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/28180193/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
#3
Xiangdong Hu, Lanyan Qiu, Dong Liu, Linxue Qian
AIM: The purpose of the study was to assess the effect of Acoustic Radiation Force Impulse (ARFI) elastography in the diagnosis of liver fibrosis in chronic hepatitis B and C patients through Meta-analysis. MATERIAL AND METHODS: Four databases (PubMed, the Cochrane Library, WanFang data, and CNKI) were searched. The key words were: ("ARFI" or "acoustic radiation force impulse") combined with "liver fibrosis" and ("chronic hepatitis" or "HBV HCV"). Heterogeneity (I2) was assessed, and its source was analyzed through meta-regression...
January 31, 2017: Medical Ultrasonography
https://www.readbyqxmd.com/read/28180191/doppler-ultrasonography-combined-with-transient-elastography-improves-the-non-invasive-assessment-of-fibrosis-in-patients-with-chronic-liver-diseases
#4
Tamara Alempijevic, Simon Zec, Vladimir Nikolic, Aleksandar Veljkovic, Zoran Stojanovic, Vera Matovic, Tomica Milosavljevic
AIMS: Accurate clinical assessment of liver fibrosis is essential and the aim of our study was to compare and combine hemodynamic Doppler ultrasonography, liver stiffness by transient elastography, and non-invasive serum biomarkers with the degree of fibrosis confirmed by liver biopsy, and thereby to determine the value of combining non-invasive method in the prediction significant liver fibrosis. MATERIAL AND METHODS: We included 102 patients with chronic liver disease of various etiology...
January 31, 2017: Medical Ultrasonography
https://www.readbyqxmd.com/read/28177946/transient-elastography-evaluation-of-hepatic-and-spleen-stiffness-in-patients-with-hepatosplenic-schistosomiasis
#5
Zulane S T Veiga, Cristiane A Villela-Nogueira, Flávia F Fernandes, Marta G Cavalcanti, Fátima A Figueiredo, João L Pereira, Gustavo H Pereira, Henrique S Moraes Coelho, José M Peralta, Carlos E Marques, Renata M Perez, Homero S Fogaça
BACKGROUND: Hepatosplenic schistosomiasis (HES) has not been evaluated by transient elastography so far and its correlation with ultrasound variables remains to be defined. AIMS: The aim of this study was to describe the parameters of liver and spleen stiffness in HES assessed by transient elastography in comparison with cirrhotics and controls evaluating its correlation with ultrasonographic data. PATIENTS AND METHODS: HES, hepatitis C virus-cirrhotic, and control patients were included in this sectional study...
February 7, 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28177543/changes-in-liver-stiffness-measurements-and-fibrosis-scores-following-sofosbuvir-based-treatment-regimens-without-interferon
#6
Aisha Elsharkawy, Shereen Abdel Alem, Rabab Fouad, Maissa El Raziky, Wafaa El Akel, Mahmoud Abdo, Omnia Tantawi, Mohamed AbdAllah, Marc Bourliere, Gamal Esmat
BACKGROUND AND AIM: Accurate evaluation of the degree of liver fibrosis in patients with chronic liver diseases is crucial, as liver fibrosis is important in order to make therapeutic decisions, determine prognosis of liver disease and to follow-up disease progression. Multiple non-invasive methods have been used successfully in the prediction of fibrosis however early changes in non-invasive biomarkers of hepatic fibrosis under effective antiviral therapy are widely unknown. AIM: To evaluate changes of Transient elastography values as well as FIB-4 and AST to platelet ratio index in patients (APRI) treated with sofosbuvir- based treatment regimen...
February 8, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28166520/universal-sustained-viral-response-to-the-combination-of-ombitasvir-paritaprevir-ritonavir-and-dasabuvir-with-without-ribavirin-in-patients-on-hemodialysis-infected-with-hepatitis-c-virus-genotypes-1-and-4
#7
Soraya Abad, Almudena Vega, Eduardo Hernández, Evangelina Mérida, Patricia de Sequera, Marta Albalate, Nicolás Macías, Monica Milla, Juan M López-Gómez
BACKGROUND: Hepatitis C virus (HCV) infection is highly prevalent among patients on hemodialysis (HD) and is associated with poor prognosis. Treatment with interferon and ribavirin is poorly tolerated, and few data are available on the impact of new direct-acting antivirals (DAAs). This study was intended to analyze the efficacy and safety of treatment with a combination of ombitasvir/paritaprevir/ritonavir and dasabuvir with/without ribavirin in HCV-infected patients on HD from 3 hospitals...
January 7, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28164327/liver-fibrosis-diagnosis-by-blood-test-and-elastography-in-chronic-hepatitis-c-agreement-or-combination
#8
P Calès, J Boursier, J Lebigot, V de Ledinghen, C Aubé, I Hubert, F Oberti
BACKGROUND: In chronic hepatitis C, the European Association for the Study of the Liver - Asociacion Latinoamericana para el Estudio del Higado recommends performing transient elastography and a blood test to diagnose significant fibrosis; test concordance confirms diagnosis. AIM: To validate this rule and improve it by combining a blood test, FibroMeter (virus second generation, Echosens, Paris, France) and transient elastography (constitutive tests) into a single combined test, as suggested by the American Association for the Study of Liver Diseases and the Infectious Diseases Society of America...
February 6, 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28153486/changes-in-liver-congestion-in-patients-with-budd-chiari-syndrome-following-endovascular-interventions-assessment-with-transient-elastography
#9
Amar Mukund, Sudheer S Pargewar, Saloni N Desai, S Rajesh, Shiv K Sarin
PURPOSE: Transient elastography (TE) is routinely used for noninvasive staging of hepatic fibrosis. The objective of the present study was to investigate the role of TE (FibroScan) in determining changes in liver congestion in patients with Budd-Chiari syndrome (BCS) treated by endovascular interventions and determine the effects of pretreatment Meta-analysis of Histological Data in Viral Hepatitis (METAVIR) fibrosis score on posttreatment liver stiffness (LS). MATERIALS AND METHODS: Twenty-five patients undergoing endovascular procedures for treatment of BCS underwent TE immediately before and within 24 hours after the procedure...
January 30, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28151749/clinical-usefulness-and-performance-of-acoustic-radiation-force-impulse-in-patients-with-chronic-hepatitis-b
#10
Coskun Ozturker, Ergenekon Karagoz, Ali K Sivrioglu, Kemal Kara
AIM: The aim of this study was to evaluate the performance of acoustic radiation force impulse (ARFI) compared with liver biopsy in quantifying fibrosis levels in patients with chronic hepatitis B (CHB). PATIENTS AND METHODS: The study was approved by the institutional review board at our hospital. One hundred CHB patients and 30 healthy controls (130 individuals) were included in the study. ARFI measurements were performed on all of these cases. CHB was diagnosed when serum hepatitis surface antigen was positive for more than 6 months and when persistent or intermittent elevations in alanine aminotransferase and aspartate aminotransferase levels and histopathological changes in liver biopsy were present...
February 1, 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28144720/magnetic-resonance-elastography-in-the-assessment-of-hepatic-fibrosis-a-study-comparing-transient-elastography-and-histological-data-in-the-same-patients
#11
Masafumi Toguchi, Masakatsu Tsurusaki, Norihisa Yada, Keitaro Sofue, Tomoko Hyodo, Minori Onoda, Isao Numoto, Mitsuru Matsuki, Izumi Imaoka, Masatoshi Kudo, Takamichi Murakami
PURPOSE: To evaluate the quantitative measurement of liver stiffness (LS), compare the diagnostic performance of magnetic resonance elastography (MRE) and ultrasound-based transient elastography (TE), and evaluate two different MRE-based LS measurement methods. METHODS: Between October 2013 and January 2015, 116 consecutive patients with chronic liver disease underwent MRE to measure LS (kilopascals; kPa). Of the 116 patients, 51 patients underwent both TE and liver biopsy, and the interval between the liver biopsy and both the MRE and TE was less than 90 days...
February 1, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28144390/predictors-for-advanced-fibrosis-in-morbidly-obese-non-alcoholic-fatty-liver-patients
#12
Shira Zelber-Sagi, Dafna Shoham, Isabel Zvibel, Subhi Abu-Abeid, Oren Shibolet, Sigal Fishman
AIM: To investigate predictors for fibrosis specifically in a high risk population of morbidly obese patients, including detailed evaluation of lifestyle. METHODS: We conducted a cross-sectional study among morbidly obese patients attending the bariatric clinic at the Tel-Aviv Medical Center between the years 2013-2014 with body mass index (BMI) above 40 or above 35 with co-morbidity. Patients with serum hepatitis B surface antigen or anti-hepatitis C virus antibodies, genetic liver diseases, autoimmune disease or high alcohol intake (≥ 30 g/d in men or ≥ 20 g/d in women) were excluded from the study...
January 18, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/28130908/aspartate-transaminase-platelet-ratio-and-fibrosis-4-indices-as-effective-markers-for-monitoring-esophageal-varices-in-hiv-hepatitis-c-virus-co-infected-patients-due-to-contaminated-blood-products-for-hemophilia
#13
Koji Natsuda, Mitsuhisa Takatsuki, Takayuki Tanaka, Akihiko Soyama, Tomohiko Adachi, Shinichiro Ono, Takanobu Hara, Zhassulan Baimakhanov, Hajime Imamura, Satomi Okada, Masaaki Hidaka, Susumu Eguchi
AIM: We examined the feasibility of the aspartate transaminase (AST)-platelet ratio index (APRI) and Fibrosis-4 (FIB4) score, which are well-established markers for liver fibrosis, as indicators for monitoring esophageal varices in patients who were co-infected with HIV and hepatitis C virus (HCV) due to contaminated blood products for hemophilia in Japan. METHODS: Forty-three HIV/HCV co-infected patients were enrolled. All were hemophilic men (median age 41 years; range, 29-66 years)...
January 28, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28128707/distinguishing-between-hepatic-inflammation-and-fibrosis-with-mr-elastography
#14
Meng Yin, Kevin J Glaser, Armando Manduca, Taofic Mounajjed, Harmeet Malhi, Douglas A Simonetto, Ruisi Wang, Liu Yang, Shennen A Mao, Jaime M Glorioso, Faysal M Elgilani, Christopher J Ward, Peter C Harris, Scott L Nyberg, Vijay H Shah, Richard L Ehman
Purpose To investigate the utility of magnetic resonance (MR) elastography-derived mechanical properties in the discrimination of hepatic inflammation and fibrosis in the early stages of chronic liver diseases. Materials and Methods All studies were approved by the institutional animal care and use committee. A total of 187 animals were studied, including 182 mice and five pigs. These animals represented five different liver diseases with a varying combination and extent of hepatic inflammation, fibrosis, congestion, and portal hypertension...
January 27, 2017: Radiology
https://www.readbyqxmd.com/read/28127192/evolving-strategies-for-liver-fibrosis-staging-non-invasive-assessment
#15
EDITORIAL
Cristina Stasi, Stefano Milani
Transient elastography and the acoustic radiation force impulse techniques may play a pivotal role in the study of liver fibrosis. Some studies have shown that elastography can detect both the progression and regression of fibrosis. Similarly, research results have been analysed and direct and indirect serum markers of hepatic fibrosis have shown high diagnostic accuracy for advanced fibrosis/cirrhosis. The prognosis of different stages of cirrhosis is well established and various staging systems have been proposed, largely based on clinical data...
January 14, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28116842/fat-mass-and-obesity-associated-gene-variations-are-related-to-fatty-liver-disease-in-hiv-infected-patients
#16
R Núñez-Torres, J Macías, A Rivero-Juarez, K Neukam, D Merino, F Téllez, N Merchante, J Gómez-Mateos, A Rivero, J A Pineda, L M Real
OBJECTIVES: Fatty liver disease (FLD) is frequently observed in HIV-infected patients. Obesity and type 2 diabetes mellitus (T2DM) are strongly associated with FLD. Because genetic variants within the fat mass and obesity-associated (FTO) gene have been associated with both pathologies, our aim was to evaluate the association of single nucleotide polymorphisms (SNPs) within the FTO, previously related to obesity or T2DM, with FLD in HIV-infected patients. METHODS: FLD was defined as a value of the controlled attenuation parameter (CAP) ≥ 238 dB/m, obtained by transient elastography...
January 24, 2017: HIV Medicine
https://www.readbyqxmd.com/read/28107385/evaluating-the-significance-of-viscoelasticity-in-diagnosing-early-stage-liver-fibrosis-with-transient-elastography
#17
Jingxin Zhao, Fei Zhai, Jun Cheng, Qiong He, Jianwen Luo, Xueping Yang, Jinhua Shao, Huichun Xing
Transient elastography quantifies the propagation of a mechanically generated shear wave within a soft tissue, which can be used to characterize the elasticity and viscosity parameters of the tissue. The aim of our study was to combine numerical simulation and clinical assessment to define a viscoelastic index of liver tissue to improve the quality of early diagnosis of liver fibrosis. This is clinically relevant, as early fibrosis is reversible. We developed an idealized two-dimensional axisymmetric finite element model of the liver to evaluate the effects of different viscoelastic values on the propagation characteristics of the shear wave...
2017: PloS One
https://www.readbyqxmd.com/read/28107286/liver-stiffness-measured-by-shear-wave-elastography-for-evaluating-intra-hepatic-portal-hypertension-in-children
#18
Hee Mang Yoon, So Yeon Kim, Kyung Mo Kim, Seak Hee Oh, Gi-Young Ko, Yangsoon Park, Jin Seong Lee, Ah Young Jung, Young Ah Cho
OBJECTIVES: To correlate liver stiffness (LS) and hepatic venous-pressure gradient (HVPG) and to evaluate the diagnostic performance of shear-wave elastography (SWE) for predicting clinically significant portal hypertension in children with suspected liver diseases, in consideration of the reliability criteria. METHODS: We identified 33 SWEs from 32 children who underwent HVPG measurement within two weeks between June 2012 and October 2015. The correlation between LS and HVPG was assessed...
January 20, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28105260/shear-wave-elastography-in-hepatitis-c-patients-before-and-after-antiviral-therapy
#19
Toshikuni Suda, Osamu Okawa, Rion Masaoka, Yoshinori Gyotoku, Naohiko Tokutomi, Yasumi Katayama, Masaya Tamano
AIM: To investigate shear wave (SW) propagation velocity in patients with untreated hepatitis C and patients with sustained virological response (SVR). METHODS: A total of 136 hepatitis C patients [85 patients who had not received antiviral therapy (naïve group) and 51 patients who had received antiviral therapy and subsequently achieved SVR of at least 24 wk (SVR group)] and 58 healthy volunteers and outpatients without liver disease (control group) underwent evaluation of liver stiffness by SW elastography (SWE)...
January 8, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/28100410/comp-serum-levels-a-new-non-invasive-biomarker-of-liver-fibrosis-in-patients-with-chronic-viral-hepatitis
#20
Kalliopi Zachou, Stella Gabeta, Zakera Shums, Nikolaos K Gatselis, George K Koukoulis, Gary L Norman, George N Dalekos
BACKGROUND & AIMS: Recently we have shown that cartilage oligomeric matrix protein (COMP), a fibrillar collagen assembly regulator, is strongly associated with cirrhosis and hepatocellular carcinoma progression. Therefore, we assessed whether serum COMP levels can be used as a non-invasive fibrosis marker in patients with chronic viral hepatitis (CVH) and compared this marker with standard methods for disease stage assessment [histology, transient elastography (TE), APRI, FIB-4]. METHODS: Sera from 116 CVH patients, 66 HBV [24 female; median age 53(22-76)] and 50 HCV [21 female; median age 48...
January 15, 2017: European Journal of Internal Medicine
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