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https://www.readbyqxmd.com/read/29446131/editorial-the-portal-hypertension-puzzle-spleen-stiffness-evades-validation-as-non-invasive-marker-of-clinically-significant-portal-hypertension
#1
EDITORIAL
M Thiele, A Krag
No abstract text is available yet for this article.
March 2018: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29369503/magnetic-resonance-elastography-of-liver-and-spleen-methods-and-applications
#2
Philippe Garteiser, Sabrina Doblas, Bernard E Van Beers
The viscoelastic properties of the liver and spleen can be assessed with magnetic resonance elastography (MRE). Several actuators, MRI acquisition sequences and reconstruction algorithms have been proposed for this purpose. Reproducible results are obtained, especially when the examination is performed in standard conditions with the patient fasting. Accurate staging of liver fibrosis can be obtained by measuring liver stiffness or elasticity with MRE. Moreover, emerging evidence shows that assessing the tissue viscous parameters with MRE is useful for characterizing liver inflammation, non-alcoholic steatohepatitis, hepatic congestion, portal hypertension, and hepatic tumors...
January 25, 2018: NMR in Biomedicine
https://www.readbyqxmd.com/read/29361370/correlating-liver-stiffness-with-disease-severity-scoring-system-ds3-values-in-gaucher-disease-type-1-gd1-patients
#3
Suraj D Serai, Anjani P Naidu, T Andrew Burrow, Carlos E Prada, Stavra Xanthakos, Alexander J Towbin
Gaucher disease (GD) is an autosomal-recessive lysosomal storage disease caused by a deficiency of the enzyme, glucocerebrocidase, resulting in accumulation of lipid-laden storage cells in multiple organs such as bone marrow, liver, spleen, and lungs. Type 1 Gaucher disease is the most common form of this condition in which the brain and spinal cord (the central nervous system) are not affected. The Gaucher disease severity scoring system (GD-DS3) is typically used to assess disease severity accounting for skeletal, hematologic, and visceral disease...
January 5, 2018: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/29352618/point-shear-wave-elastography-of-the-spleen-its-role-in-patients-with-portal-hypertension
#4
Natalie Lucchina, Chiara Recaldini, Monica Macchi, Valeria Molinelli, Mario Montanari, Sergio Segato, Raffaele Novario, Carlo Fugazzola
The goals of the study described here were to evaluate the feasibility and reproducibility of measuring spleen stiffness (SS) using point shear wave elastography in a series of cirrhotic patients and to investigate whether SS, liver stiffness (LS) and other non-invasive parameters are correlated with the presence of esophagogastric varices (EVs). Fifty-four cirrhotic patients with low-grade EVs or without EVs at esophago-gastro-duodenoscopy were enrolled. They underwent abdominal ultrasound and Doppler ultrasound of hepatic vessels simultaneously with p-SWE of the liver and spleen...
January 15, 2018: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/29339450/cardiac-macrophages-promote-diastolic-dysfunction
#5
Maarten Hulsmans, Hendrik B Sager, Jason D Roh, María Valero-Muñoz, Nicholas E Houstis, Yoshiko Iwamoto, Yuan Sun, Richard M Wilson, Gregory Wojtkiewicz, Benoit Tricot, Michael T Osborne, Judy Hung, Claudio Vinegoni, Kamila Naxerova, David E Sosnovik, Michael R Zile, Amy D Bradshaw, Ronglih Liao, Ahmed Tawakol, Ralph Weissleder, Anthony Rosenzweig, Filip K Swirski, Flora Sam, Matthias Nahrendorf
Macrophages populate the healthy myocardium and, depending on their phenotype, may contribute to tissue homeostasis or disease. Their origin and role in diastolic dysfunction, a hallmark of cardiac aging and heart failure with preserved ejection fraction, remain unclear. Here we show that cardiac macrophages expand in humans and mice with diastolic dysfunction, which in mice was induced by either hypertension or advanced age. A higher murine myocardial macrophage density results from monocyte recruitment and increased hematopoiesis in bone marrow and spleen...
January 16, 2018: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29322599/non-invasive-evaluation-of-portal-hypertension-using-shear-wave-elastography-analysis-of-two-algorithms-combining-liver-and-spleen-stiffness-in-191-patients-with-cirrhosis
#6
L Elkrief, M Ronot, F Andrade, M Dioguardi Burgio, T Issoufaly, M Zappa, O Roux, J Bissonnette, A Payancé, D Lebrec, C Francoz, O Soubrane, D Valla, F Durand, V Vilgrain, L Castera, P-E Rautou
BACKGROUND: Two algorithms based on sequential measurements of liver and spleen stiffness using two-dimensional shearwave elastography (2D-SWE) have been recently proposed to estimate clinically significant portal hypertension (hepatic venous pressure gradient [HVPG] ≥10 mm Hg) in patients with cirrhosis, with excellent diagnostic accuracy. AIM: To validate externally these algorithms in a large cohort of patients with cirrhosis. METHODS: One hundred and ninety-one patients with stable cirrhosis (Child-Pugh class A 39%, B 29% and C 31%) who underwent liver and spleen stiffness measurements using 2D-SWE at the time of HVPG measurement were included...
January 11, 2018: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29318565/a-case-of-severe-stenosis-of-hepatic-veins-and-inferior-vena-cava-with-stomal-variceal-bleeding-induced-by-oxaliplatin-based-chemotherapy
#7
Hayato Yamaguchi, Yoshihiro Furuichi, Yoshitaka Kasai, Hirohito Takeuchi, Yuu Yoshimasu, Katsutoshi Sugimoto, Ikuo Nakamura, Takao Itoi
A 27-year-old woman with colon cancer and liver metastasis was referred to our hospital. Colectomy and colostomy were performed to improve her ileus. Following 13 sessions of oxaliplatin-based chemotherapy (OC) with mFOLFOX6 + bevacizumab, thrombocytopenia and frequent peristomal bleeding occurred. Computed tomography showed severe ascites, splenomegaly, significant collateral veins around the stoma, and severe stenosis of the hepatic veins (HV) and inferior vena cava (IVC). Ultrasound elastography showed high liver (and spleen) stiffness values...
January 9, 2018: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/29298867/repeat-doses-of-antibody-to-serum-amyloid-p-component-clear-amyloid-deposits-in-patients-with-systemic-amyloidosis
#8
Duncan B Richards, Louise M Cookson, Sharon V Barton, Lia Liefaard, Thirusha Lane, David F Hutt, James M Ritter, Marianna Fontana, James C Moon, Julian D Gillmore, Ashutosh Wechalekar, Philip N Hawkins, Mark B Pepys
Systemic amyloidosis is a fatal disorder caused by pathological extracellular deposits of amyloid fibrils that are always coated with the normal plasma protein, serum amyloid P component (SAP). The small-molecule drug, miridesap, [(R)-1-[6-[(R)-2-carboxy-pyrrolidin-1-yl]-6-oxo-hexanoyl]pyrrolidine-2-carboxylic acid (CPHPC)] depletes circulating SAP but leaves some SAP in amyloid deposits. This residual SAP is a specific target for dezamizumab, a fully humanized monoclonal IgG1 anti-SAP antibody that triggers immunotherapeutic clearance of amyloid...
January 3, 2018: Science Translational Medicine
https://www.readbyqxmd.com/read/29287004/non-invasive-markers-of-portal-hypertension-appraisal-of-adult-experience-and-potential-utilisation-in-children
#9
Harry Sutton, Anil Dhawan, Tassos Grammatikopoulos
Portal Hypertension (PHT) is a significant cause of morbidity and mortality in children with chronic liver disease (CLD) and portal vein obstruction. Increased portal pressure results in variceal formation along the gastrointestinal (GI) tract resulting in major bleeding. Identifying children with significant PHT who are more likely to suffer GI bleeding has been challenging and the role of surveillance upper GI endoscopy has been debated. This review analyses research done on serum biomarkers and imaging techniques as possible predictors of significant PHT...
December 28, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/29258813/novel-ultrasound-based-methods-to-assess-liver-disease-the-game-has-just-begun
#10
REVIEW
Annalisa Berzigotti, Giovanna Ferraioli, Simona Bota, Odd Helge Gilja, Christoph F Dietrich
In the last 10 years the availability of ultrasound elastography allowed to diagnose and stage liver fibrosis in a non-invasive way and changed the clinical practice of hepatology. Newer ultrasound-based techniques to evaluate properties of the liver tissue other than fibrosis are emerging and will lead to a more complete characterization of the full spectrum of diffuse and focal liver disease. Since these methods are currently undergoing validation and go beyond elastography for liver tissue evaluation, they were not included in the recent guidelines regarding elastography issued by the European Federation of Societies in Ultrasound in Medicine and Biology...
December 5, 2017: Digestive and Liver Disease
https://www.readbyqxmd.com/read/29223365/performance-of-spleen-stiffness-measurement-in-prediction-of-clinical-significant-portal-hypertension-a-meta-analysis
#11
Jinzhen Song, Jianbo Huang, He Huang, Shiyu Liu, Yan Luo
AIM: Our purpose was to evaluate the correlation between spleen stiffness (SS) measured by ultrasound-based elastography and hepatic venous pressure gradient (HVPG) and assess the accuracy of SS in detecting clinical significant portal hypertension (CSPH) and severe portal hypertension. METHOD: Nine studies were included from thorough literature research and selection processes. A random model was used to analyze the correlation between HVPG and SS. We adopted the bivariate mixed effects model to assess the diagnostic performance...
December 6, 2017: Clinics and Research in Hepatology and Gastroenterology
https://www.readbyqxmd.com/read/29194232/diverse-correlations-between-fibrosis-related-factors-and-liver-stiffness-measurement-by-transient-elastography-in-chronic-hepatitis-b
#12
Ziyu Lin, Jing Liang, Jianyun Zhu, Chaoxia Hu, Yurong Gu, Jing Lai, Yubao Zheng, Zhiliang Gao
BACKGROUND: Several fibrosis-related factors influence liver stiffness measurements (LSM); however, these changes have not been investigated in the context of the various disease stages of chronic hepatitis B (CHB). AIM: The aim of this study was to assess the correlations between fibrosis-related factors and LSM in different disease stages of CHB. PATIENTS AND METHODS: Patients with mild CHB (n=305) and cirrhotic hepatitis B (cirrhotic HB) (n=137) were compared with determine the relationship between LSM and fibrosis-related factors including parameters of liver inflammation [aminotransferase (ALT), aspartate transaminase (AST), total bilirubin (Tbil)], albumin, globulin, peripheral blood cells (neutrophil granulocytes, red blood cells, platelets), abdominal ultrasound B-scan parameters including right liver thickness, portal vein inradium, diameter of spleen (DS), thickness of spleen (TS), and splenic vein inradium (SV)...
February 2018: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29186994/supersonic-shear-imaging-for-the-diagnosis-of-liver-fibrosis-and-portal-hypertension-in-liver-diseases-a-meta-analysis
#13
Han Deng, Xingshun Qi, Tiansong Zhang, Xiaolong Qi, Eric M Yoshida, Xiaozhong Guo
BACKGROUND AND AIMS: The meta-analysis aimed to summarize the technical success rate of supersonic shear imaging (SSI) and to evaluate the diagnostic performance of liver and spleen stiffness measurement (LSM and SSM) with SSI for the detection of liver fibrosis, portal hypertension, and gastroesophageal varices in liver diseases. METHODS: PubMed, EMBASE, and Cochrane Library databases were searched. Technical success rate of SSI was pooled. Area under curve (AUC), sensitivity, and specificity with corresponding 95% confidence interval (CI) were calculated...
January 2018: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29150327/diagnostic-accuracy-of-point-shear-wave-elastography-in-the-detection-of-portal-hypertension-in-pediatric-patients
#14
M Burak Özkan, M C Bilgici, E Eren, G Caltepe
PURPOSE: The purpose of this study was to determine the usefulness of point shear wave elastography (p-SWE) of the liver and spleen for the detection of portal hypertension in pediatric patients. MATERIALS AND METHODS: The study consisted of 38 healthy children and 56 pediatric patients with biopsy-proven liver disease who underwent splenic and liver p-SWE. The diagnostic performance of p-SWE in detecting clinically significant portal hypertension was assessed using receiver operating characteristic (ROC) curves...
November 14, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29145280/liver-stiffness-measurement-and-spleen-diameter-as-predictors-for-the-presence-of-esophageal-varices-in-chronic-hepatitis-c-patients
#15
Mohammed Tag-Adeen, Mohamed Alsenbesy, Ali Abdelrahman Ghweil, M Ali Hussein Abd Elrazek, Elsayed A Elgohary, Mohammad M Sallam, Ali Ismael, Abdallah Nawara
Although it is an invasive and unpleasant procedure, esophagogastroduodenoscopy (EGD) is still the gold standard for esophageal varices (EV) detection. The aim of this study was to investigate liver stiffness measurement (LSM) and spleen diameter as simple noninvasive tools for EV prediction in chronic hepatitis C patients (CHC).A total of 123 Egyptian patients with CHC have been included and were classified based on screening EGD result into 2 groups; group A (without EV) and group B (with EV). Group (B) was subclassified according to EV grade into 4 subgroups: (B1, grade I), (B2, grade II), (B3, grade III), and (B4, grade IV)...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29102174/spleen-stiffness-is-positively-correlated-with-hvpg-and-decreases-significantly-after-tips-implantation
#16
Matthias Buechter, Paul Manka, Jens M Theysohn, Marcus Reinboldt, Ali Canbay, Alisan Kahraman
BACKGROUND: Transjugular intrahepatic portosystemic shunt (TIPS) is indicated in patients with decompensated portal hypertension (PH). Hepatic venous pressure gradient (HVPG) is considered gold standard for assessment of PH. Because HVPG measurement is invasive, non-invasive methods for evaluating severity of PH are warranted. PATIENTS AND METHODS: We retrospectively correlated spleen stiffness as measured by FibroScan with HVPG in patients who underwent TIPS. Twenty-four patients with spleen stiffness measurement (SSM) one day before (D-1), one day after (D+1) and 28 days after TIPS (D+28) were included...
October 10, 2017: Digestive and Liver Disease
https://www.readbyqxmd.com/read/29059466/increase-in-liver-stiffness-after-transjugular-intrahepatic-portosystemic-shunt-is-associated-with-inflammation-and-predicts-mortality
#17
Christian Jansen, Philipp Möller, Carsten Meyer, Carl Christian Kolbe, Christopher Bogs, Alessandra Pohlmann, Robert Schierwagen, Michael Praktiknjo, Zeinab Abdullah, Jennifer Lehmann, Daniel Thomas, Christian P Strassburg, Eicke Latz, Sebastian Mueller, Martin Rössle, Jonel Trebicka
OBJECTIVE: Transjugular intrahepatic portosystemic shunt (TIPS) efficiently treats complications of portal hypertension. Liver and spleen stiffness might predict clinically significant portal hypertension. This prospective study investigated liver stiffness in patients receiving TIPS regardless of indication. DESIGN: Of 83 included patients, 16 underwent TE immediately before and 30 minutes after TIPS (acute group), while 67 patients received shear wave elastography (SWE) of liver and spleen one day before and seven days after TIPS (chronic group) and were followed further...
October 23, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29016715/matrix-metalloproteinase-2-knockout-prevents-angiotensin-ii-induced-vascular-injury
#18
Tlili Barhoumi, Julio C Fraulob-Aquino, Muhammad Oneeb Rehman Mian, Sofiane Ouerd, Noureddine Idris-Khodja, Ku-Geng Huo, Asia Rehman, Antoine Caillon, Bianca Dancose-Giambattisto, Talin Ebrahimian, Stéphanie Lehoux, Pierre Paradis, Ernesto L Schiffrin
Aims: Matrix metalloproteinases (MMPs) have been implicated in the development of hypertension in animal models and humans. Mmp2 deletion did not change Ang II-induced blood pressure (BP) rise. However, whether Mmp2 knockout affects angiotensin (Ang) II-induced vascular injury has not been tested. We sought to determine whether Mmp2 knockout will prevent Ang II-induced vascular injury. Methods and results: A fourteen-day Ang II infusion (1000 ng/kg/min, SC) increased systolic BP, decreased vasodilatory responses to acetylcholine, induced mesenteric artery (MA) hypertrophic remodelling, and enhanced MA stiffness in wild-type (WT) mice...
July 20, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28856972/elastography-methods-for-the-non-invasive-assessment-of-portal-hypertension
#19
Davide Roccarina, Matteo Rosselli, Joan Genesca, Emmanuel A Tsochatzis
The gold standard to assess the presence and severity of portal hypertension remains the hepatic vein pressure gradient, however the recent development of non-invasive assessment using elastography techniques offers valuable alternatives. In this review, we discuss the diagnostic accuracy and utility of such techniques in patients with portal hypertension due to cirrhosis. Areas covered: A literature search focused on liver and spleen stiffness measurement with different elastographic techniques for the assessment of the presence and severity of portal hypertension and oesophageal varices in people with chronic liver disease...
September 12, 2017: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28853196/a-new-screening-strategy-for-varices-by-liver-and-spleen-stiffness-measurement-lssm-in-cirrhotic-patients-a%C3%A2-randomized-trial
#20
Grace L H Wong, Raymond Kwok, Aric J Hui, Yee-Kit Tse, Kai-Tin Ho, Angeline O S Lo, Kelvin L Y Lam, Heyson C H Chan, Rashid A Lui, Kenneth H D Au, Henry L Y Chan, Vincent W S Wong
BACKGROUND: Variceal bleeding is a common and life-threatening complication in patients with cirrhosis. Screening with upper endoscopy is recommended but is uncomfortable to patients. Non-invasive assessment with transient elastography for liver/spleen stiffness measurement (LSM and SSM) is accurate in detecting varices. AIMS: To test the hypothesis that a new screening strategy for varices guided by LSM/SSM results (LSSM-guided) is non-inferior to universal endoscopic screening in detecting clinically significant varices in patients with cirrhosis...
August 29, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
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