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Liver elastography

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https://www.readbyqxmd.com/read/28319252/physiologic-reduction-of-hepatic-venous-blood-flow-by-the-valsalva-maneuver-decreases-liver-stiffness
#1
Selcan Ipek-Ugay, Heiko Tzschätzsch, Jürgen Braun, Thomas Fischer, Ingolf Sack
OBJECTIVES: Liver stiffness increases after intake of food or water, suggesting that hepatic venous blood flow affects the results of elastographic measurements. This study investigated the correlation between in vivo liver stiffness and hepatic blood flow using the Valsalva maneuver for reducing intrahepatic venous blood flow. METHODS: Intrahepatic changes in venous blood flow were assessed by sonography based on the pulsed wave Doppler velocity, vessel diameter assessment, and blood flow volume measurements in the portal vein and right hepatic vein...
March 20, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28318912/less-liver-fibrosis-in-metabolically-healthy-compared-with-metabolically-unhealthy-obese-patients-with-non-alcoholic-fatty-liver-disease
#2
Y Gutiérrez-Grobe, E Juárez-Hernández, B A Sánchez-Jiménez, M H Uribe-Ramos, M H Ramos-Ostos, M Uribe, N C Chávez-Tapia
AIM: This cross-sectional study evaluated liver fibrosis in patients with non-alcoholic fatty liver disease (NAFLD), and compared the characteristics of metabolically healthy obese (MHO) with metabolically unhealthy obese (MUHO) patients. METHODS: The study was nested within a randomized clinical trial (RCT) and included obese patients with NAFLD, as determined by liver ultrasonography. Fibrosis was assessed by transient elastography, and AST-to-platelet ratio index (APRI) and NAFLD score...
March 16, 2017: Diabetes & Metabolism
https://www.readbyqxmd.com/read/28303329/diagnostic-performance-of-transient-elastography-for-detection-of-methotrexate-induced-liver-injury-using-roenigk-classification-in-asian-patients-with-psoriasis-a-retrospective-study
#3
Pasinee Rongngern, Leena Chularojanamontri, Chanisada Wongpraparut, Narumol Silpa-Archa, Watcharasak Chotiyaputta, Ananya Pongpaibul, Phunchai Charatcharoenwitthaya
Liver biopsy, the gold standard for monitoring methotrexate-induced liver fibrosis in psoriasis patients, has potential morbidity and mortality. Transient elastography (TE) has been widely used as an alternative non-invasive method. Currently, psoriasis-specific data of TE comparing to Roenigk histopathology is lacking. This retrospective study assessed the diagnostic performance of TE in the detection of methotrexate-induced liver injury and liver fibrosis in Asian psoriasis patients. Risk factors that associated with liver injury by TE and histopathology were also determined...
March 16, 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28301573/panel-of-three-novel-serum-markers-predicts-liver-stiffness-and-fibrosis-stages-in-patients-with-chronic-liver-disease
#4
Marcin Krawczyk, Simone Zimmermann, Georg Hess, Robert Holz, Marc Dauer, Jochen Raedle, Frank Lammert, Frank Grünhage
Latest data suggest that placental growth factor (PLGF), growth differentiation factor-15 (GDF-15) and hepatic growth factor (HGF) are involved in hepatic fibrogenesis. Diagnostic performance of these markers for non-invasive liver fibrosis prediction was evaluated based on liver histology and stiffness. In total 834 patients were recruited. Receiver-operating-characteristics were used to define cut-offs for markers correlating to fibrosis stages. Odds-ratios were calculated for the presence/absence of fibrosis/cirrhosis and confirmed in the sub-group of patients phenotyped by elastography only...
2017: PloS One
https://www.readbyqxmd.com/read/28299813/improvement-of-liver-stiffness-in-patients-with-hepatitis-c-virus-infection-who-received-direct-acting-antiviral-therapy-and-achieved-sustained-virological-response
#5
Toshifumi Tada, Takashi Kumada, Hidenori Toyoda, Kazuyuki Mizuno, Yasuhiro Sone, Saki Kataoka, Shinichi Hashinokuchi
BACKGROUND AND AIM: There is insufficient research on whether direct-acting antiviral (DAA) therapy can improve liver fibrosis in patients with chronic hepatitis C virus (HCV). We evaluated sequential changes in liver stiffness using shear wave elastography (SWE) in patients with HCV who received DAA therapy. METHODS: A total of 210 patients with HCV who received daclatasvir and asunaprevir therapy and achieved sustained virological response (SVR) were analyzed...
March 15, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28298942/liver-acoustic-radiation-force-impulse-arfi-in-childhood-obesity-comparison-and-correlation-with-biochemical-markers
#6
Rajeev Kamble, Kushaljit S Sodhi, Babu R Thapa, Akshay K Saxena, Anmol Bhatia, Devi Dayal, Niranjan Khandelwal
PURPOSE: To compare and correlate the diagnostic efficiency of acoustic radiation force impulse (ARFI) elastography with biochemical markers for assessing hepatic changes in overweight and obese children. METHODS: This prospective study was approved by the institutional ethics committee. It included 54 overweight and obese children and 50 normal children (as a control group) in the age range 5-18 years. For all children, we performed grayscale ultrasonography to diagnose fatty liver, ARFI elastography to measure liver stiffness, and biochemical evaluation for aspartate aminotransferase (AST), alanine aminotransferase (ALT), and serum triglyceride (TG) levels...
March 2017: Journal of Ultrasound
https://www.readbyqxmd.com/read/28296807/long-term-outcomes-in-patients-undergoing-liver-transplantation-for-nonalcoholic-steatohepatitis-related-cirrhosis
#7
Chandra Bhati, Michael O Idowu, Arun J Sanyal, Maria Rivera, Carolyn Driscoll, Richard Todd Stravitz, Divyanshoo R Kohli, Scott Matherly, Puneet Puri, HoChong Giles, Adrian Cotterrell, Marlon Levy, Richard Sterling, Velimir Luketic, Hannah Lee, Amit Sharma, Mohammad Shadab Siddiqui
BACKGROUND: Nonalcoholic steatohepatitis (NASH), a clinically aggressive variant of nonalcoholic fatty liver disease (NAFLD), is becoming an increasingly common indication for liver transplantation (LT); however, relatively little is known regardings its clinical course post-LT. The aim of the current study is to describe disease recurrence and clinical course after LT. METHODS: All surviving patients transplanted for NASH at the authors' institution had transient elastography (TE) to evaluate hepatic steatosis and fibrosis...
March 15, 2017: Transplantation
https://www.readbyqxmd.com/read/28295587/validation-of-non-invasive-methods-to-predict-the-presence-of-gastroesophageal-varices-in-a-cohort-of-patients-with-compensated-advanced-chronic-liver-disease
#8
Elba Llop, Marta Lopez, Juan de la Revilla, Natalia Fernandez, Maria Trapero, Marta Hernandez, Carlos Fernandez, Fernando Pons, Jose Luis Martinez, Jose Luis Calleja
INTRODUCTION: The aim was to validate non-invasive methods to predict the presence of gastroesophageal varices (GEV) in patients with suspected compensated advanced chronic liver disease (cACLD). METHODS: We retrospectively reviewed clinical and radiological data collected prospectively between September 2013 and September 2015. We reviewed 442 consecutive patients with suspected cACLD measured by transient elastography (TE) and a gastroscopy. We evaluated platelets, spleen diameter, TE, LSPS (liver stiffness x spleen size /platelets), variceal risk index (VRI), Baveno VI strategy and Augustin algorithm...
March 11, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28295027/improved-shear-wave-motion-detection-using-coded-excitation-for-transient-elastography
#9
Xiao-Nian He, Xian-Fen Diao, Hao-Ming Lin, Xin-Yu Zhang, Yuan-Yuan Shen, Si-Ping Chen, Zheng-Di Qin, Xin Chen
Transient elastography (TE) is well adapted for use in studying liver elasticity. However, because the shear wave motion signal is extracted from the ultrasound signal, the weak ultrasound signal can significantly deteriorate the shear wave motion tracking process and make it challenging to detect the shear wave motion in a severe noise environment, such as within deep tissues and within obese patients. This paper, therefore, investigated the feasibility of implementing coded excitation in TE for shear wave detection, with the hypothesis that coded ultrasound signals can provide robustness to weak ultrasound signals compared with traditional short pulse...
March 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28293093/clinical-features-and-natural-history-of-cryptogenic-cirrhosis-compared-to-hepatitis-c-virus-related-cirrhosis
#10
Luca Rinaldi, Fabio Nascimbeni, Mauro Giordano, Chiara Masetti, Barbara Guerrera, Annalisa Amelia, Maria Chiara Fascione, Stefano Ballestri, Dante Romagnoli, Rosa Zampino, Riccardo Nevola, Enrica Baldelli, Natalina Iuliano, Valerio Rosato, Amedeo Lonardo, Luigi Elio Adinolfi
AIM: To characterize natural history of cryptogenic cirrhosis (CC) and compare its clinical features and outcomes to those of hepatitis C virus (HCV)-related cirrhosis. METHODS: A prospective cohort of 102 consecutive patients at their first diagnosis of CC were enrolled in this study. The clinical data and outcomes were compared to an age- and Child-Pugh class-matched cohort of 110 patients with HCV-related cirrhosis. Diagnosis of cirrhosis was based on compatible clinical and laboratory parameters, ultrasound/endoscopic parameters and, whenever possible, on histological grounds and transient elastography...
February 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28289936/comparison-of-spin-echo-echoplanar-imaging-and-gradient-recalled-echo-based-mr-elastography-at-3-tesla-with-and-without-gadoxetic-acid-administration
#11
Yong Seek Kim, Ji Soo Song, Stephan Kannengiesser, Seung Young Seo
OBJECTIVE: To compare spin-echo echoplanar imaging (SE-EPI) and gradient recalled echo (GRE) MR elastography (MRE) at 3 T with and without gadoxetic acid administration. METHODS: We included 84 patients who underwent MRE before and after gadoxetic acid administration, each time using SE-EPI and GRE sequences. Diagnostic performance for predicting clinical liver cirrhosis and high-risk oesophageal varices was assessed using the area under the receiver-operating characteristic curve (AUC)...
March 13, 2017: European Radiology
https://www.readbyqxmd.com/read/28288202/presence-of-atrial-fibrillation-is-associated-with-liver-stiffness-in-an-elderly-finnish-population
#12
Aki Juhani Käräjämäki, Olli Kettunen, Samuli Lepojärvi, Olli-Pekka Koivurova, Y Antero Kesäniemi, Heikki Huikuri, Olavi Ukkola
BACKGROUND: Chronic liver injury from different etiologies drives liver fibrosis. However, little is known about the associated factors, systemic factors in particular. Recently, non-alcoholic fatty liver disease (NAFLD) and atrial fibrillation have been shown to be associated with each other. Thereby, we aimed to study the association between atrial fibrillation and liver stiffness. STUDY: Extensive clinical measurements including echocardiography of the heart, transient elastography (TE) of the liver and the presence of atrial fibrillation were determined in elderly Finnish study subjects (n = 76, mean age 73 years) from OPERA (Oulu Project Elucidating the Risk of Atherosclerosis) study cohort...
2017: PloS One
https://www.readbyqxmd.com/read/28286981/shear-wave-ultrasound-elastography-of-the-liver-in-normal-weight-and-obese-children
#13
Smita Sane Bailey, Mostafa Youssfi, Mittun Patel, Houchun H Hu, Gabriel Q Shaibi, Richard B Towbin
Background The identification and subsequent management of liver diseases in children is challenging due to the lack of non-invasive imaging biomarkers. Ultrasound shear-wave elastography (US-SWE) is an emerging imaging technique which can quantitatively assess liver stiffness and may be useful as a tool in the management of liver disease in overweight and obese children. Purpose To evaluate US-SWE velocities of the liver in normal-weight and obese children, to correlate US-SWE findings with age and body-mass-index (BMI), and to compare US-SWE values with qualitative assessment (i...
January 1, 2017: Acta Radiologica
https://www.readbyqxmd.com/read/28286195/-diagnostic-accuracy-of-non-invasive-fibrosis-scores-in-a-population-of-individuals-with-a-low-prevalence-of-fibrosis
#14
Suzanne E Mahady, Petra Macaskill, Jonathan C Craig, Grace Lh Wong, Winnie Cw Chu, Henry Ly Chan, Jacob George, Vincent Ws Wong
BACKGROUND & AIMS: Non-invasive scoring systems for fibrosis are increasingly used in the clinic and in research because of their ease of use, accessibility, and low cost. However, test performance characteristics were established in groups of patients with a high prevalence of advanced fibrosis; little is known about diagnostic accuracy in low-risk populations. DESIGN: In a cross-sectional study, 922 members of a general ambulatory population in Hong Kong (randomly selected; 18-70 years old) underwent clinical assessment from May 2008 through December 2010...
March 7, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28281521/noninvasive-scoring-system-for-significant-inflammation-related-to-chronic-hepatitis-b
#15
Mei-Zhu Hong, Linglong Ye, Li-Xin Jin, Yan-Dan Ren, Xiao-Fang Yu, Xiao-Bin Liu, Ru-Mian Zhang, Kuangnan Fang, Jin-Shui Pan
Although a liver stiffness measurement-based model can precisely predict significant intrahepatic inflammation, transient elastography is not commonly available in a primary care center. Additionally, high body mass index and bilirubinemia have notable effects on the accuracy of transient elastography. The present study aimed to create a noninvasive scoring system for the prediction of intrahepatic inflammatory activity related to chronic hepatitis B, without the aid of transient elastography. A total of 396 patients with chronic hepatitis B were enrolled in the present study...
March 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28281514/-ultrasound-elastography-of-the-liver-for-assessing-the-risk-of-complications-of-its-cirrhosis-of-different-etiologies
#16
N Yu Stukova, Yu A Kucheryavyi, E A Maevskaya, I V Maev
AIM: To study the results of dynamic liver ultrasound elastography (LUE) in assessing the risk of complications of liver cirrhosis (LC) of different etiologies and to elaborate a monitoring program for estimation of the predictive value of elastography in patients with LC. SUBJECTS AND METHODS: A total of 194 patients with LC of different etiologies, including 56 patients with alcoholic cirrhosis, 48 with LC and an outcome of nonalcoholic fatty liver disease, 53 with LC and an outcome of chronic hepatitis C, 23 with LC and an outcome of chronic hepatitis B, and 14 with an outcome of coinfection with hepatitis B and D viruses, were examined...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28281513/-elastography-in-the-diagnosis-of-portal-hypertension-in-patients-with-liver-cirrhosis
#17
E O Lyusina, Ch S Pavlov, V T Ivashkin
AIM: To establish the diagnostic accuracy of liver and spleen density (LD and SD) measurements in patients with compensated alcoholic liver cirrhosis (LC) in the diagnosis of portal hypertension. SUBJECTS AND METHODS: The investigation enrolled 83 patients with compensated alcoholic and viral (hepatitis C virus) LC. All the patients underwent LD and SD determinations, abdominal ultrasonography, and endoscopy to detect esophageal varices (EV), as well as examination of blood indices...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28280718/response-to-comment-on-assessment-of-liver-stiffness-in-pediatric-fontan-patients-using-transient-elastography
#18
COMMENT
Becky Chen, Richard A Schreiber, Derek G Human, James E Potts, Orlee R Guttman
No abstract text is available yet for this article.
2017: Canadian Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28277807/magnetic-resonance-imaging-and-transient-elastography-in-the-management-of-nonalcoholic-fatty-liver-disease-nafld
#19
Ma Ai Thanda Han, Rola Saouaf, Walid Ayoub, Tsuyoshi Todo, Edward Mena, Mazen Noureddin
Nonalcoholic fatty liver disease (NAFLD) is the most common cause of chronic liver disease and cirrhosis worldwide and the second most common cause of liver transplantation in major medical centers. Because liver steatosis and fibrosis severity are related to disease morbidity and mortality, the extent of disease, and disease progression, they need to be assessed and monitored. In addition, innovation with new drug developments requires disease staging and monitoring in both phase 2 and 3 clinical trials. Currently, disease assessment in both clinical practice and research is mostly performed by liver biopsy, an invasive, procedure with risks...
March 9, 2017: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/28268819/a-comparison-of-multimodal-biomarkers-for-chronic-hepatitis-b-assessment-using-recursive-feature-elimination
#20
Yanru Bai, Xin Chen, Changfeng Dong, Yingxia Liu, Zhiguo Zhang
An effective assessment of liver fibrosis in patients with chronic hepatitis B (CHB) is highly desired because it is important not only for clinical courses prediction, but also for the determination of antiviral therapy schemes. In recent years, various approaches for liver biopsies analysis have been highlighted, such as elastography techniques and serum markers, due to their properties of non-invasiveness. The aim of this study is to determine the best biomarkers or their combination by comparing multimodal biomarkers (ultrasound elastography parameters, biochemical hematologic parameters, and clinical parameters) for fibrosis assessment in chronic hepatitis B using a support vector machine combined with recursive feature elimination (RFE-SVM) approach...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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