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https://www.readbyqxmd.com/read/28376114/high-risk-of-misinterpreting-liver-and-spleen-stiffness-using-2d-shear-wave-and-transient-elastography-after-a-moderate-or-high-calorie-meal
#1
Maria Kjærgaard, Maja Thiele, Christian Jansen, Bjørn Stæhr Madsen, Jan Görtzen, Christian Strassburg, Jonel Trebicka, Aleksander Krag
Food intake increases liver stiffness, but it is believed that liver stiffness returns to baseline two hours after a meal. The aim of this study was to investigate the impact of different sized meals on liver stiffness. Liver and spleen stiffness was measured with transient elastography (TE) and real-time 2-dimensional shear wave elastography (2D-SWE). Patients ingested a 625 kcal and a 1250 kcal liquid meal on two consecutive days. We measured liver and spleen elasticity, Controlled attenuation parameter (CAP) and portal flow at baseline and after 20, 40, 60, 120 and 180 minutes...
2017: PloS One
https://www.readbyqxmd.com/read/28335998/point-shear-wave-elastography-to-evaluate-and-monitor-changing-portal-venous-pressure-in-patients-with-decompensated-cirrhosis
#2
Hao Han, Jian Yang, Yu-Zheng Zhuge, Ming Zhang, Min Wu
This study evaluated whether the stiffness of the liver and spleen, measured using the point shear wave elastography (pSWE) technique, correlates with portal venous pressure (PVP) and whether the result extends to estimate the diminishing change in PVP (ΔPVP) in patients with decompensated cirrhosis. We evaluated the data of 67 prospectively enrolled patients who underwent both transjugular intrahepatic portosystemic shunt (TIPS) and pSWE. The stiffness of liver and spleen were evaluated by measuring shear wave velocity (SWV) to determine the statistical correlation with PVP...
March 20, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28329027/prevalence-and-predictors-for-compensated-advanced-chronic-liver-disease-c-acld-in-patients-with-chronic-hepatitis-delta-virus-hdv-infection
#3
Ingrid Couto, Marilu Victoria, Valdiléa G Veloso, Lorena Rodrigues, Beatriz Grinsztejn, Marcus Lacerda, Flamir Victoria, Hugo Perazzo
OBJECTIVE: The study aimed to evaluate the prevalence and predictor factors for compensated advanced chronic liver disease (c-ACLD) in patients with hepatitis Delta virus (HDV) infection. METHODS: This cross-sectional study included consecutive HDV-infected patients defined by positive anti-HDV. Patients with hepatitis C coinfection, liver transplantation or presence of conditions that limit liver (LSM) or spleen stiffness measurement (SSM) were excluded. Blood tests, abdominal ultrasound, SSM and LSM by transient elastography (FibroScan®) were performed at the same day...
2017: PloS One
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
#4
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/28260293/-clinical-value-of-acoustic-radiation-force-impulse-technique-to-predict-esophageal-and-gastric-varices-in-patients-with-biliary-atresia
#5
G Y Zhang, Y Tang, N N Niu, H T Wu
Objective: To investigate the clinical value of acoustic radiation force impulse (ARFI)technique in predicting esophageal and gastric varices in patients with biliary atresia after Kasai portoenterostomy. Methods: A total of 42 patients with biliary atresia after Kasai portoenterostomy were collected from September 2015 to May 2016 in Tianjin First Central Hospital.ARFI technique was used to measure the stiffness of liver and spleen, and 28 healthy children as control.According to the result of CT examination , patients with biliary atresia were divided into two groups , twenty-three patients with esophageal and gastric varices(A group) and nineteen patients without esophageal and gastric varices (B group), Comparing the difference of liver and spleen stiffness between the two groups...
February 21, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28223101/non-invasive-evaluation-of-portal-hypertension-using-ultrasound-elastography
#6
REVIEW
Annalisa Berzigotti
Portal hypertension (PH) leads to serious complications, such as bleeding from gastroesophageal varices, ascites and portosystemic encephalopathy in patients with chronic liver disease (CLD). Gold standard methods for assessing PH and its complications include the measurement of hepatic venous pressure gradient and endoscopy; however, these are invasive, expensive and not available at all centres. Therefore, non-invasive alternatives have been the subject of extensive investigation over the last 20years. The present review focuses on the role of ultrasound elastography - a novel group of non-invasive techniques used to measure stiffness in target organs...
February 14, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28177946/transient-elastography-evaluation-of-hepatic-and-spleen-stiffness-in-patients-with-hepatosplenic-schistosomiasis
#7
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...
June 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28104976/clinical-role-of-non-invasive-assessment-of-portal-hypertension
#8
EDITORIAL
Massimo Bolognesi, Marco Di Pascoli, David Sacerdoti
Measurement of portal pressure is pivotal in the evaluation of patients with liver cirrhosis. The measurement of the hepatic venous pressure gradient represents the reference method by which portal pressure is estimated. However, it is an invasive procedure that requires significant hospital resources, including experienced staff, and is associated with considerable cost. Non-invasive methods that can be reliably used to estimate the presence and the degree of portal hypertension are urgently needed in clinical practice...
January 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28063644/are-transient-and-shear-wave-elastography-useful-tools-in-gaucher-disease
#9
Muriel Webb, Ari Zimran, Tama Dinur, Oren Shibolet, Stella Levit, David M Steinberg, Ophira Salomon
Up to now, there are no reliable biochemical markers or imaging that could reveal early tissue damage in Gaucher disease. Therefore, we addressed whether elastography technique can serve as a tool for evaluating patients with Gaucher disease. The study included 42 patients with Gaucher disease type I and 33 patients with liver cirrhosis as well as 22 healthy volunteers. Ultrasound and Doppler examination was performed on each participant prior to apply transient and 2D shear wave elastography. In Gaucher disease the median stiffness of the spleen as assessed by transient elastography (TE) and shear wave elastography (SWE) was 35KPa and 22KPa respectively in contrast to the median stiffness of healthy controls (16...
December 23, 2016: Blood Cells, Molecules & Diseases
https://www.readbyqxmd.com/read/28017842/measurement-of-spleen-stiffness-with-acoustic-radiation-force%C3%A2-impulse-imaging-predicts-mortality-and-hepatic-decompensation-in-patients-with-liver-cirrhosis
#10
Yoshitaka Takuma, Youichi Morimoto, Hiroyuki Takabatake, Nobuyuki Toshikuni, Junko Tomokuni, Akiko Sahara, Kazuhiro Matsueda, Hiroshi Yamamoto
BACKGROUND & AIMS: Hepatic venous pressure gradient can predict mortality and hepatic decompensation in patients with cirrhosis. Measurement of hepatic venous pressure gradient requires an invasive procedure; therefore, prognostic markers are needed that do not require invasive procedures. We investigated whether measurements of spleen stiffness, made by acoustic radiation force impulse (ARFI) imaging, associated with mortality and decompensation in patients with cirrhosis, compared with liver stiffness and other markers...
December 23, 2016: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/27859615/using-transient-elastography-to-predict-hepatocellular-carcinoma-recurrence-after-radiofrequency-ablation
#11
Yu Rim Lee, Soo Young Park, Seung Up Kim, Se Young Jang, Won Young Tak, Young Oh Kweon, Beom Kyung Kim, Jun Yong Park, Do Young Kim, Sang Hoon Ahn, Kwang Hyub Han, Keun Hur
BACKGROUND AND AIM: Liver stiffness (LS) value determined using transient elastography (TE) can be used to assess the degree of liver fibrosis. We investigated whether TE can predict the recurrence of hepatocellular carcinoma (HCC) after radiofrequency ablation (RFA). METHODS: This study retrospectively enrolled 228 patients with HCC who received TE and RFA as the first-line treatment for HCC between 2008 and 2015. Cox regression analysis was used to identify independent predictors of HCC recurrence...
November 10, 2016: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/27829057/spleen-stiffness-is-superior-to-liver-stiffness-for-predicting-esophageal-varices-in-chronic-liver-disease-a-meta-analysis
#12
Xiaowen Ma, Le Wang, Hao Wu, Yuemin Feng, Xibiao Han, Haoran Bu, Qiang Zhu
BACKGROUND AND AIMS: Liver stiffness (LS) and spleen stiffness (SS) are two most widely accessible non-invasive parameters for predicting esophageal varices (EV), but the reported accuracy of the two predictors have been inconsistent across studies. This meta-analysis aims to evaluate the diagnostic performance of LS and SS measurement for detecting EV in patients with chronic liver disease (CLD), and compare their accuracy. METHODS: Pubmed/Medline, Embase, Cochrane Library and Ovid were searched for all studies assessing SS and LS simultaneously in EV diagnosis...
2016: PloS One
https://www.readbyqxmd.com/read/27757311/targeting-myeloid-derived-suppressor-cells-using-a-novel-adenosine-monophosphate-activated-protein-kinase-ampk-activator
#13
Prashant Trikha, Robert L Plews, Andrew Stiff, Shalini Gautam, Vincent Hsu, David Abood, Robert Wesolowski, Ian Landi, Xiaokui Mo, John Phay, Ching-Shih Chen, John Byrd, Michael Caligiuri, Susheela Tridandapani, William Carson
Myeloid-derived suppressor cells (MDSC) are a heterogeneous population of early myeloid cells that accumulate in the blood and tumors of patients with cancer. MDSC play a critical role during tumor evasion and promote immune suppression through variety of mechanisms, such as the generation of reactive oxygen and nitrogen species (ROS and RNS) and cytokines. AMPactivated protein kinase (AMPK) is an evolutionarily conserved serine/threonine kinase that regulates energy homeostasis and metabolic stress. However, the role of AMPK in the regulation of MDSC function remains largely unexplored...
2016: Oncoimmunology
https://www.readbyqxmd.com/read/27756066/spleen-and-liver-stiffness-is-positively-correlated-with-the-risk-of-esophageal-variceal-bleeding
#14
Matthias Buechter, Alisan Kahraman, Paul Manka, Guido Gerken, Christoph Jochum, Ali Canbay, Alexander Dechêne
BACKGROUND/AIMS: Portal hypertension (PH) is a common complication of chronic liver disease and results in esophageal and gastric variceal bleeding, which is associated with a high mortality rate. Measurement of the hepatic venous pressure gradient (HVPG) is considered the gold standard for diagnosing PH and estimating the risk of varices and bleeding. In contrast, upper gastrointestinal (GI) endoscopy (UGE) can reliably demonstrate the presence of varices and bleeding. Both measures are invasive, and HVPG is mainly restricted to tertiary centers...
2016: Digestion
https://www.readbyqxmd.com/read/27754054/os-15-02-matrix-metalloproteinase-2-knockout-protects-from-angiotensin-ii-induced-vascular-injury-in-part-via-inhibition-of-egfr-and-erk1-2-activation
#15
Pierre Paradis, Tlili Barhoumi, Muhammad Oneeb Rehman Mian, Julio C Fraulob-Aquino, Asia Rehman, Nourredine Idris-Khodja, Ernesto L Schiffrin
OBJECTIVE: Matrix metalloproteinase 2 (MMP2) is involved in cardiovascular disease. Whether MMP2 plays a role in hypertension and vascular damage is unknown. We hypothesized that Mmp2 knockout will prevent angiotensin (Ang) II-induced hypertension and vascular injury. DESIGN AND METHOD: Mmp2 knockout (Mmp2) and wild-type (WT) mice were infused with Ang II (1000 ng/kg/min, SC) for 14 days. Systolic blood pressure (SBP) was measured by telemetry, and mesenteric artery (MA) endothelial function and vascular remodeling by pressurized myography...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27699875/tomoelastography-of-the-abdomen-tissue-mechanical-properties-of-the-liver-spleen-kidney-and-pancreas-from-single-mr-elastography-scans-at-different-hydration-states
#16
Florian Dittmann, Heiko Tzschätzsch, Sebastian Hirsch, Eric Barnhill, Jürgen Braun, Ingolf Sack, Jing Guo
PURPOSE: To develop a compact magnetic resonance elastography (MRE) protocol for abdomen and to investigate the effect of water uptake on tissue stiffness in the liver, spleen, kidney, and pancreas. METHODS: Nine asymptomatic volunteers were investigated by MRE before and after 1 liter water uptake. Shear-wave excitation at four frequencies was transferred to the abdomen from anterior and posterior directions using pressurized air drivers. Tomographic representations of shear-wave speed were produced by analysis of multifrequency wave numbers in axial and coronal images acquired within four breath-holds or under free breathing, respectively...
October 3, 2016: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/27672283/role-of-spleen-elastography-in-patients-with-chronic-liver-diseases
#17
REVIEW
Mariangela Giunta, Dario Conte, Mirella Fraquelli
The development of liver cirrhosis and portal hypertension (PH), one of its major complications, are structural and functional alterations of the liver, occurring in many patients with chronic liver diseases (CLD). Actually the progressive deposition of hepatic fibrosis has a key role in the prognosis of CLD patients. The subsequent development of PH leads to its major complications, such as ascites, hepatic encephalopathy, variceal bleeding and decompensation. Liver biopsy is still considered the reference standard for the assessment of hepatic fibrosis, whereas the measurement of hepatic vein pressure gradient is the standard to ascertain the presence of PH and upper endoscopy is the method of choice to detect the presence of oesophageal varices...
September 21, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27663656/liver-and-spleen-stiffness-measurements-by-point-shear-wave-elastography-via-acoustic-radiation-force-impulse-intraobserver-and-interobserver-variability-and-predictors-of-variability-in-a-us-population
#18
Maya Balakrishnan, Fernanda Souza, Carolina Muñoz, Salvador Augustin, Nicole Loo, Yanhong Deng, Maria Ciarleglio, Guadalupe Garcia-Tsao
OBJECTIVES: Measurements of liver stiffness and spleen stiffness are useful noninvasive ways to assess fibrosis and portal hypertension in patients with chronic liver disease. One method for assessing stiffness is by point shear wave elastography via acoustic radiation force impulse imaging (ARFI). Its advantage is that sites where stiffness is measured are visualized sonographically. However, its reliability has not been well established, and all studies done to date evaluating the use of ARFI in chronic liver disease have been performed outside the United States...
November 2016: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/27642974/os-15-02-matrix-metalloproteinase-2-knockout-protects-from-angiotensin-ii-induced-vascular-injury-in-part-via-inhibition-of-egfr-and-erk1-2-activation
#19
Pierre Paradis, Tlili Barhoumi, Muhammad Oneeb Rehman Mian, Julio C Fraulob-Aquino, Asia Rehman, Nourredine Idris-Khodja, Ernesto L Schiffrin
OBJECTIVE: Matrix metalloproteinase 2 (MMP2) is involved in cardiovascular disease. Whether MMP2 plays a role in hypertension and vascular damage is unknown. We hypothesized that Mmp2 knockout will prevent angiotensin (Ang) II-induced hypertension and vascular injury. DESIGN AND METHOD: Mmp2 knockout (Mmp2) and wild-type (WT) mice were infused with Ang II (1000 ng/kg/min, SC) for 14 days. Systolic blood pressure (SBP) was measured by telemetry, and mesenteric artery (MA) endothelial function and vascular remodeling by pressurized myography...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27639071/noninvasive-tools-and-risk-of-clinically-significant-portal-hypertension-and-varices-in-compensated-cirrhosis-the-anticipate-study
#20
Juan G Abraldes, Christophe Bureau, Horia Stefanescu, Salvador Augustin, Michael Ney, Hélène Blasco, Bogdan Procopet, Jaime Bosch, Joan Genesca, Annalisa Berzigotti
In patients with compensated advanced chronic liver disease (cACLD), the presence of clinically significant portal hypertension (CSPH) and varices needing treatment (VNT) bears prognostic and therapeutic implications. Our aim was to develop noninvasive tests-based risk prediction models to provide a point-of-care risk assessment of cACLD patients. We analyzed 518 patients with cACLD from five centers in Europe/Canada with paired noninvasive tests (liver stiffness measurement [LSM] by transient elastography, platelet count, and spleen diameter with calculation of liver stiffness to spleen/platelet score [LSPS] score and platelet-spleen ratio [PSR]) and endoscopy/hepatic venous pressure gradient measurement...
December 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
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