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Liver elastography

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https://www.readbyqxmd.com/read/29690726/-expanded-clinical-verification-of-effectiveness-of-two-dimensional-shear-wave-elastography-in-the-noninvasive-evaluation-of-hepatic-fibrosis
#1
Y Lin, H Ding, Y Zhuang, Y Zhang, Y L Zhu, W P Wang
Objective: To evaluate the diagnostic value of two-dimensional shear wave elastography(2D-SWE)in the assessment of hepatic fibrosis in a large-scale clinical setting. Methods: A total of 1 079 subjects who underwent partial hepatectomy were examined with 2D-SWE to measure liver stiffness before operation and the liver stiffness measurements were compared with histologic findings.The published cutoff values of liver stiffness examined with 2D-SWE were used as a reference, as 7.2, 9.2, and 10.4 kPa for diagnosing substantial fibrosis(S2), severe fibrosis(S3), and cirrhosis(S4), respectively...
April 17, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29686465/ultrasound-findings-in-autoimmune-hepatitis
#2
REVIEW
Yi Dong, Andrej Potthoff, Christoph Klinger, Ana Paula Barreiros, Dariusz Pietrawski, Christoph F Dietrich
Ultrasound findings in autoimmune hepatitis (AIH) have not been reported systematically so far. The use of reliable and accurate noninvasive methods for determining fibrosis stage is important in evaluation of treatment efficacy and fibrosis regression in AIH. Imaging plays an important role in detection of complications and ruling out other possible causes of chronic liver diseases. Ultrasound elastography cut-off values in AIH patients are not the same as those in patients with chronic viral hepatitis or non-alcoholic fatty liver disease...
April 21, 2018: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29685617/validation-of-transient-elastography-cut-points-to-assess-advanced-liver-fibrosis-in-children-and-young-adults-the-boston-children-s-hospital-experience
#3
Christine K Lee, Paul D Mitchell, Roshan Raza, Sarah Harney, Shanna M Wiggins, Maureen M Jonas
OBJECTIVE: To derive an optimal liver stiffness measurement cut point to discriminate METAVIR fibrosis stage F4 and to validate both METAVIR fibrosis stage F3-F4 and F4 cut points in a separate cohort. STUDY DESIGN: Patients at Boston Children's Hospital with liver stiffness measurement from 2006 to 2016 and liver biopsy ≤12 months before screening were eligible. Patients enrolled 2006-2011 were used to calibrate liver stiffness measurement cut points and those enrolled 2011-2016 for validation...
April 20, 2018: Journal of Pediatrics
https://www.readbyqxmd.com/read/29683188/prediction-of-major-complications-after-hepatectomy-using-liver-stiffness-values-determined-by-magnetic-resonance-elastography
#4
N Sato, A Kenjo, T Kimura, R Okada, T Ishigame, Y Kofunato, T Shimura, K Abe, H Ohira, S Marubashi
BACKGROUND: Liver fibrosis is a risk factor for hepatectomy but cannot be determined accurately before hepatectomy because diagnostic procedures are too invasive. Magnetic resonance elastography (MRE) can determine liver stiffness (LS), a surrogate marker for assessing liver fibrosis, non-invasively. The aim of this study was to investigate whether the LS value determined by MRE is predictive of major complications after hepatectomy. METHODS: This prospective study enrolled consecutive patients who underwent hepatic resection between April 2013 and August 2016...
April 23, 2018: British Journal of Surgery
https://www.readbyqxmd.com/read/29679635/a-multi-purpose-electromagnetic-actuator-for-magnetic-resonance-elastography
#5
Yuan Feng, Mo Zhu, Suhao Qiu, Ping Shen, Shengyuan Ma, Xuefeng Zhao, Chun-Hong Hu, Liang Guo
An electromagnetic actuator was designed for magnetic resonance elastography (MRE). The actuator is unique in that it is simple, portable, and capable of brain, abdomen, and phantom imagings. A custom-built control unit was used for controlling the vibration frequency and synchronizing the trigger signals. An actuation unit was built and mounted on the specifically designed clamp and holders for different imaging applications. MRE experiments with respect to gel phantoms, brain, and liver showed that the actuator could produce stable and consistent mechanical waves...
April 18, 2018: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/29676964/advanced-imaging-techniques-in-evaluation-of-colorectal-cancer
#6
Roberto García-Figueiras, Sandra Baleato-González, Anwar R Padhani, Antonio Luna-Alcalá, Ana Marhuenda, Joan C Vilanova, Iria Osorio-Vázquez, Anxo Martínez-de-Alegría, Antonio Gómez-Caamaño
Imaging techniques are clinical decision-making tools in the evaluation of patients with colorectal cancer (CRC). The aim of this article is to discuss the potential of recent advances in imaging for diagnosis, prognosis, therapy planning, and assessment of response to treatment of CRC. Recent developments and new clinical applications of conventional imaging techniques such as virtual colonoscopy, dual-energy spectral computed tomography, elastography, advanced computing techniques (including volumetric rendering techniques and machine learning), magnetic resonance (MR) imaging-based magnetization transfer, and new liver imaging techniques, which may offer additional clinical information in patients with CRC, are summarized...
April 20, 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29674183/pnpla3-rs738409-polymorphism-is-associated-with-liver-fibrosis-progression-in-patients-with-chronic-hepatitis-c-a-repeated-measures-study
#7
María Ángeles Jiménez-Sousa, Ana Zaida Gómez-Moreno, Daniel Pineda-Tenor, Juan José Sánchez-Ruano, Amanda Fernández-Rodríguez, Tomas Artaza-Varasa, Alicia Gómez-Sanz, María Martín-Vicente, Sonia Vázquez-Morón, Salvador Resino
BACKGROUND: Host genetic background has been associated with liver fibrosis progression. OBJECTIVE: To analyze the association between the patatin-like phospholipase domain-containing 3 (PNPLA3) rs738409 polymorphism and liver fibrosis progression in hepatitis C virus (HCV)-infected patients. STUDY DESIGN: In this retrospective cohort study, 187 patients with chronic HCV infection were included, who had at least two liver stiffness measurements (LSM) by transient elastography during the follow-up...
April 12, 2018: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/29669970/prognostic-relevance-of-liver-stiffness-assessed-by-transient-elastography-in-patients-with-acute-decompensated-heart-failure
#8
Yuki Saito, Mahoto Kato, Koichi Nagashima, Koyuru Monno, Yoshihiro Aizawa, Yasuo Okumura, Naoki Matsumoto, Mitsuhiko Moriyama, Atsushi Hirayama
BACKGROUND: Acute decompensated heart failure (ADHF) is often accompanied by liver congestion through increased right atrial pressure (RAP). Liver stiffness (LS) assessed non-invasively using transient elastography is related to increased RAP and liver congestion in patients with general HF. We investigated the relationship of LS with clinical and echocardiographic variables and outcomes in patients with ADHF.Methods and Results:The subjects were 105 patients with ADHF admitted to hospital between October 2016 and June 2017...
April 17, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29666974/fem-based-elasticity-reconstruction-using-ultrasound-for-imaging-tissue-ablation
#9
Corin F Otesteanu, Valery Vishnevsky, Orcun Goksel
PURPOSE: Success of ablation treatment depends on the accurate placement of the target ablation focus and the complete destruction of the pathological tissue. Thus, monitoring the formation, location, and size of the ablated lesion is essential. As ablated tissue gets stiffer, an option for ablation monitoring is ultrasound elastography, for imaging the tissue mechanical properties. Reconstruction of elasticity distribution can be achieved by solving an inverse problem from observed displacements, based on a deformable tissue model, commonly discretized by the finite element method (FEM)...
April 17, 2018: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/29662834/liver-stiffness-measured-by-two-dimensional-shear-wave-elastography-prognostic-value-after-radiofrequency-ablation-for-hepatocellular-carcinoma
#10
Dong Ho Lee, Jeong Min Lee, Jung-Hwan Yoon, Yoon Jun Kim, Jeong-Hoon Lee, Su Jong Yu, Joon Koo Han
Purpose: To evaluate the prognostic value of liver stiffness (LS) measured using two-dimensional (2D) shear-wave elastography (SWE) in patients with hepatocellular carcinoma (HCC) treated by radiofrequency ablation (RFA). Methods: The Institutional Review Board approved this retrospective study and informed consent was obtained from all patients. A total of 134 patients with up to 3 HCCs ≤5 cm who had undergone pre-procedural 2D-SWE prior to RFA treatment between January 2012 and December 2013 were enrolled...
March 2018: Liver Cancer
https://www.readbyqxmd.com/read/29662329/diagnosis-and-staging-of-fibrosis-in-patients-with-chronic-hepatitis-c-comparison-and-critical-overview-of-current-strategies
#11
REVIEW
Leandro César Mendes, Raquel Sb Stucchi, Aline G Vigani
In the past years, what has always been considered undisputed true in liver fibrosis staging has been challenged. Diagnostic performance of histological evaluation has proven to be significantly influenced by sample- and observer-related variabilities. Differentiation between lower levels of fibrosis remains difficult for many, if not all, test modalities, including liver biopsy but, perhaps, such a distinction is not indispensable in light of current therapeutic approaches. Biomarkers and elastography offer, nonetheless, high predictive values for advanced fibrosis and cirrhosis and correlate well with liver-related outcomes...
2018: Hepatic Medicine: Evidence and Research
https://www.readbyqxmd.com/read/29661435/transient-elastography-in-acute-cellular-rejection-following-liver-transplantation-systematic-review
#12
L S Nacif, C D C Gomes, M N Mischiatti, V Kim, D Paranaguá-Vezozzo, G L Reinoso, F J Carrilho, L C D'Albuquerque
BACKGROUND: Transient elastography (TE) is a noninvasive technique that measures liver stiffness. When an inflammatory process is present, this is shown by elevated levels of stiffness. Acute cellular rejection (ACR) is a consequence of an inflammatory response directed at endothelial and bile epithelial cells, and it is diagnosed through liver biopsy. This is a systematic review of the viability of TE in ACR following liver transplantation. METHODS: The Cochrane Library, Embase, and Medline PubMed databases were searched and updated to November 2016...
April 2018: Transplantation Proceedings
https://www.readbyqxmd.com/read/29642845/prognostic-value-of-liver-stiffness-in-hiv-hcv-coinfected-patients-with-decompensated-cirrhosis
#13
Leire Pérez-Latorre, Matilde Sánchez-Conde, Pilar Miralles, Juan Carlos López, Francisco Parras, Francisco Tejerina, Teresa Aldámiz-Echevarría, Ana Carrero, Cristina Díez, Margarita Ramírez, Isabel Gutiérrez, José María Bellón, Rafael Bañares, Juan Berenguer
BACKGROUND: Little is known about the utility of transient elastography (TE) for assessing the prognosis of patients with decompensated cirrhosis (DC). METHODS: We analyzed HIV/HCV-coinfected patients with DC who underwent TE as part of their routine follow-up between 2006 and 2015. We also calculated the liver stiffness spleen diameter-to-platelet score (LSPS), FIB-4 index, albumin, MELD score, and Child-Pugh score. The primary outcome was death. RESULTS: The study population comprised 65 patients...
April 11, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29629807/clinical-feasibility-of-mr-elastography-in-patients-with-biliary-obstruction
#14
Dong Kyu Kim, Jin Young Choi, Mi-Suk Park, Myeong-Jin Kim, Yong Eun Chung
OBJECTIVE: The purpose of this study is to evaluate the clinical effect of liver stiffness measured using MR elastography (MRE) in patients with cholestasis due to biliary obstruction. MATERIALS AND METHODS: In this retrospective study, 69 consecutive patients with no history of diffuse liver disease who underwent pancreaticobiliary imaging with MRE were included. Quantitative MRI parameters (i.e., liver stiffness, apparent diffusion coefficient, R2*, and proton density fat fraction) and laboratory results (i...
April 9, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29627620/efficacy-safety-and-tolerability-of-lubiprostone-for-the-treatment-of-non-alcoholic-fatty-liver-disease-in-adult-patients-with-constipation-the-lubiprone-double-blind-randomised-placebo-controlled-study-design
#15
Takaomi Kessoku, Kento Imajo, Takashi Kobayashi, Yasushi Honda, Takayuki Kato, Yuji Ogawa, Wataru Tomeno, Shingo Kato, Takuma Higurashi, Masato Yoneda, Hiroyuki Kirikoshi, Kazuki Kubota, Masataka Taguri, Takeharu Yamanaka, Haruki Usuda, Koichiro Wada, Satoru Saito, Atsushi Nakajima
BACKGROUND: This paper reports the protocol of a randomised, double-blind, placebo-controlled study to test the efficacy, safety, and tolerability of lubiprostone (LUB) vs. placebo on suppressing gut permeability in non-alcoholic fatty liver disease (NAFLD) patients with constipation. NAFLD, including non-alcoholic steatohepatitis (NASH), is a common chronic liver disorder. Progression is associated with increased gut permeability and gut-derived endotoxins. Most NAFLD/NASH clinical trial drugs aim to improve liver function or systemic metabolism...
April 5, 2018: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/29626258/mr-elastography-in-primary-sclerosing-cholangitis-correlating-liver-stiffness-with-bile-duct-strictures-and-parenchymal-changes
#16
Candice A Bookwalter, Sudhakar K Venkatesh, John E Eaton, Thomas D Smyrk, Richard L Ehman
AIM: To determine correlation of liver stiffness measured by MR Elastography (MRE) with biliary abnormalities on MR Cholangiopancreatography (MRCP) and MRI parenchymal features in patients with primary sclerosing cholangitis (PSC). METHODS: Fifty-five patients with PSC who underwent MRI of the liver with MRCP and MRE were retrospectively evaluated. Two board-certified abdominal radiologists in agreement reviewed the MRI, MRCP, and MRE images. The biliary tree was evaluated for stricture, dilatation, wall enhancement, and thickening at segmental duct, right main duct, left main duct, and common bile duct levels...
April 7, 2018: Abdominal Radiology
https://www.readbyqxmd.com/read/29625910/corrigendum-to-differences-in-liver-stiffness-values-obtained-with-new-ultrasound-elastography-machines-and-fibroscan-a-comparative-study-dig-liver-dis-49-2017-802-808
#17
Fabio Piscaglia, Veronica Salvatore, Lorenzo Mulazzani, Vito Cantisani, Antonio Colecchia, Roberto Di Donato, Cristina Felicani, Alessia Ferrarini, Nesrine Gamal, Valentina Grassoc, Giovanni Marasco, Elena Mazzotta, Federico Ravaioli, Giacomo Ruggieri, Ilaria Serio, Joules Fabrice Sitouok Nkamgho, Carla Serra, Davide Festi, Cosima Schiavone, Luigi Bolondi
No abstract text is available yet for this article.
April 3, 2018: Digestive and Liver Disease
https://www.readbyqxmd.com/read/29624693/accuracy-of-2d-shear-wave-elastography-in-the-diagnosis-of-liver-fibrosis-in-patients-with-chronic-hepatitis-c
#18
Tamami Abe, Hidekatsu Kuroda, Yudai Fujiwara, Yuichi Yoshida, Akio Miyasaka, Naohisa Kamiyama, Yasuhiro Takikawa
PURPOSE: This prospective study was conducted to assess the diagnostic accuracy of two-dimensional shear wave elastography (2D SWE) in the diagnosis of liver fibrosis in patients with chronic liver disease and hepatitis C virus (HCV) compared with the serum liver fibrosis biomarkers using the results of liver biopsy as the reference standard. METHODS: We analyzed 233 consecutive HCV patients. On the same day, 2D SWE m, biochemical tests, and liver biopsy were performed...
April 6, 2018: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/29619424/liver-stiffness-measurement-predicted-liver-related-events-and-all-cause-mortality-a-systematic-review-and-nonlinear-dose-response-meta-analysis
#19
Junna Wang, Jiajun Li, Quan Zhou, Dandan Zhang, Qiu Bi, Yulin Wu, Wenxiang Huang
Numerous studies have investigated the prognosis value of the liver stiffness measurement (LSM) by transient elastography in assessing the risk of liver-related events (LREs) and all-cause mortality in patients with chronic liver disease (CLD). However, the shape of the dose-response relationship between them remains unclear. We searched PubMed, Embase, the Cochrane Library, and reference lists of articles for studies published up to July 1, 2017, that assessed the LSM in predicting LREs and all-cause mortality among subjects with CLD...
April 2018: Hepatology Communications
https://www.readbyqxmd.com/read/29618176/endoscopic-ultrasound-real-time-elastography-in-liver-disease
#20
Jeong Eun Song, Dong Wook Lee, Eun Young Kim
No abstract text is available yet for this article.
March 2018: Clinical Endoscopy
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