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Hepatic encephalopathy

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https://www.readbyqxmd.com/read/27932130/acute-liver-failure-caused-by-primary-non-hodgkin-s-lymphoma-of-the-liver
#1
L Romacho López, F J León Díaz, B Sánchez Pérez, J A Pérez Daga, J L Fernández Aguilar, M C Montiel Casado, J M Aranda Narváez, M A Suárez Muñoz, J Santoyo Santoyo
INTRODUCTION: Acute liver failure (ALF) is a rare syndrome involving maximum liver dysfunction. This disease is characterized by a less than 26-week history of coagulopathy (INR ≥1.5) and hepatic encephalopathy and generally occurs in patients without any previously known disease. METHODS: We report the case of a healthy 25-year-old subject who presented with fulminant liver failure caused by a primary non-Hodgkin's lymphoma of the liver that required emergency liver transplantation...
November 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27923694/neuropsychiatric-performance-in-patients-with-cirrhosis-who-is-normal
#2
REVIEW
Sara Montagnese, Michele De Rui, Paolo Angeli, Piero Amodio
Normal neuropsychiatric performance in cirrhosis has been traditionally defined by the absence of any degree of hepatic encephalopathy (HE) and/or the absence of psychometric or neurophysiological abnormalities, by comparison with reference data from the healthy population. It is our impression that as our understanding and management of end-stage liver disease continues to change, the concept of normal neuropsychiatric performance may also need updating. This review explores novel and possibly more pragmatic interpretations of neuropsychiatric "normality" by comparison with top personal performance, in terms of risk of overt HE/brain failure and in relation with events such as liver transplantation, decompensation, acute-on-chronic liver failure (ACLF) and Transjugular Intrahepatic Portal-systemic Shunt (TIPS) placement...
December 3, 2016: Journal of Hepatology
https://www.readbyqxmd.com/read/27920543/intestinal-permeability-in-a-patient-with-liver-cirrhosis
#3
REVIEW
Jonathan Manuel Aguirre Valadez, Liliana Rivera-Espinosa, Osvely Méndez-Guerrero, Juan Luis Chávez-Pacheco, Ignacio García Juárez, Aldo Torre
Liver cirrhosis is a worldwide public health problem, and patients with this disease are at high risk of developing complications, bacterial translocation from the intestinal lumen to the mesenteric nodes, and systemic circulation, resulting in the development of severe complications related to high mortality rate. The intestinal barrier is a structure with a physical and biochemical activity to maintain balance between the external environment, including bacteria and their products, and the internal environment...
2016: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/27917793/high-dose-oral-furosemide-with-salt-ingestion-in-the-treatment-of-refractory-ascites-of-liver-cirrhosis
#4
Tolga Yakar, Mehmet Demir, Ozlem Dogan, Alper Parlakgumus, Birol Ozer, Ender Serin
PURPOSE: We aimed to evaluate and compare the efficacy and safety of high-dose furosemide+salt orally by comparing HSS+ furosemide (i.v.) and repeated paracentesis in patients with RA. METHODS: This was a prospective study of 78 cirrhotic patients with RA, randomized into three groups: Group A (n= 25) i.v. furosemide (200-300 mg bid) and 3% hypotonic saline solution (HSS) (once or twice a day); Group B (n= 26) oral furosemide tablets (360-520 mg bid) and salt (2...
December 1, 2016: Clinical and Investigative Medicine. Médecine Clinique et Experimentale
https://www.readbyqxmd.com/read/27917450/the-short-term-effect-of-liver-transplantation-on-the-low-frequency-fluctuation-of-brain-activity-in-cirrhotic-patients-with-and-without-overt-hepatic-encephalopathy
#5
Gaoyan Zhang, Yue Cheng, Wen Shen, Baolin Liu, Lixiang Huang, Shuangshuang Xie
Previous neuropsychological studies have demonstrated that liver transplantation (LT) is an effective method for improving the cognitive function of cirrhotic patients. However, the neural basis underlying the effects of LT is still unclear. Neuroimaging studies investigating changes in brain structures or functional networks mainly focus on patients without overt hepatic encephalopathy (HE). In this study, we recruited patients with and without overt HE and studied alterations in resting-state brain activity by quantizing the amplitude of low-frequency fluctuation (ALFF) before and 1 month after LT to study the short-term effect of LT in each group...
December 5, 2016: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/27908802/minimal-hepatic-encephalopathy-in-children-uncommon-or-unrecognised-time-to-act
#6
EDITORIAL
Eirini Kyrana, Anil Dhawan
No abstract text is available yet for this article.
November 28, 2016: Journal of Hepatology
https://www.readbyqxmd.com/read/27903722/adenosine-kinase-deficiency-in-the-brain-results-in-maladaptive-synaptic-plasticity
#7
Ursula S Sandau, Mariana Colino-Oliveira, Abbie Jones, Bounmy Saleumvong, Shayla Q Coffman, Long Liu, Catarina Miranda-Lourenço, Cátia Palminha, Vânia L Batalha, Yiming Xu, Yuqing Huo, Maria J Diógenes, Ana M Sebastião, Detlev Boison
: Adenosine kinase (ADK) deficiency in human patients (OMIM:614300) disrupts the methionine cycle and triggers hypermethioninemia, hepatic encephalopathy, cognitive impairment, and seizures. To identify whether this neurological phenotype is intrinsically based on ADK deficiency in the brain or if it is secondary to liver dysfunction, we generated a mouse model with a brain-wide deletion of ADK by introducing a Nestin-Cre transgene into a line of conditional ADK deficient Adk(fl/fl) mice...
November 30, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27900326/case-of-severe-alcoholic-hepatitis-treated-with-granulocytapheresis
#8
Yukari Watanabe, Kenya Kamimura, Tomohiro Iwasaki, Hiroyuki Abe, Shunsaku Takahashi, Ken-Ichi Mizuno, Manabu Takeuchi, Atsushi Eino, Ichiei Narita, Shuji Terai
Severe alcoholic hepatitis (AH) has a high mortality, and it is associated with encephalopathy, acute renal failure, sepsis, gastrointestinal bleeding, and endotoxemia. The 28-d mortality remains poor (34%-40%), because no effective treatment has been established. Recently, corticosteroids (CS) have been considered effective for significantly improving the prognosis of those with AH, as it prevents the production of pro-inflammatory cytokines. However, CS are not always appropriate as an initial therapeutic option, such as in cases with an infection or resistance to CS...
November 16, 2016: World Journal of Clinical Cases
https://www.readbyqxmd.com/read/27895414/hepatic-encephalopathy-ever-closer-to-its-big-bang
#9
EDITORIAL
Pablo A Souto, Ariel R Marcotegui, Lisandro Orbea, Juan Skerl, Juan Carlos Perazzo
Hepatic encephalopathy (HE) is a neuropsychiatric disorder that commonly complicates the course of patients with liver disease. Despite the fact that the syndrome was probably first recognized hundreds of years ago, the exact pathogenesis still remains unclear. Minimal hepatic encephalopathy (MHE) is the earliest form of HE and is estimated to affect more that 75% of patients with liver cirrhosis. It is characterized by cognitive impairment predominantly attention, reactiveness and integrative function with very subtle clinical manifestations...
November 14, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27885712/a-randomized-controlled-trial-comparing-lactulose-plus-albumin-versus-lactulose-alone-for-treatment-of-hepatic-encephalopathy
#10
Barjesh Chander Sharma, Jatinderpal Singh, Siddharth Srivastava, Alok Sangam, Alok Kumar Mantri, Nirupma Trehanpati, Shiv Kumar Sarin
BACKGROUND: Hepatic encephalopathy (HE) is associated with poor prognosis and treatment of HE is primarily directed at the reduction of the blood ammonia levels. We evaluated the efficacy and safety of albumin plus lactulose versus lactulose alone for treatment of overt HE. METHODS: In prospective randomized controlled trial, 120 patients with overt HE were randomized in 2 groups; group A lactulose plus albumin (n = 60) and group B, lactulose alone (n = 60)...
November 25, 2016: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/27885636/glutamine-synthetase-role-in-neurological-disorders
#11
Arumugam R Jayakumar, Michael D Norenberg
Glutamine synthetase (GS) is an ATP-dependent enzyme found in most species that synthesizes glutamine from glutamate and ammonia. In brain, GS is exclusively located in astrocytes where it serves to maintain the glutamate-glutamine cycle, as well as nitrogen metabolism. Changes in the activity of GS, as well as its gene expression, along with excitotoxicity, have been identified in a number of neurological conditions. The literature describing alterations in the activation and gene expression of GS, as well as its involvement in different neurological disorders, however, is incomplete...
2016: Advances in Neurobiology
https://www.readbyqxmd.com/read/27885631/the-glutamine-transporters-and-their-role-in-the-glutamate-gaba-glutamine-cycle
#12
Renata Leke, Arne Schousboe
Glutamine is a key amino acid in the CNS, playing an important role in the glutamate/GABA-glutamine cycle (GGC). In the GGC, glutamine is transferred from astrocytes to neurons, where it will replenish the inhibitory and excitatory neurotransmitter pools. Different transporters participate in this neural communication, i.e., the transporters responsible for glutamine efflux from astrocytes and influx into the neurons, such as the members of the SNAT, LAT, y(+)LAT, and ASC families of transporters. The SNAT family consists of the transporter isoforms SNAT3 and SNAT5 that are related to efflux from the astrocytic compartment, and SNAT1 and SNAT2 that are associated with glutamine uptake into the neuronal compartment...
2016: Advances in Neurobiology
https://www.readbyqxmd.com/read/27885576/asymmetric-dimethylarginine-and-hepatic-encephalopathy-cause-effect-or-association
#13
Anna Czarnecka, Krzysztof Milewski, Magdalena Zielińska
The methylated derivative of L-arginine, asymmetric dimethylarginine (ADMA) is synthesized in different mammalian tissues including the brain. ADMA acts as an endogenous, nonselective, competitive inhibitor of all three isoforms of nitric oxide synthase (NOS) and may limit L-arginine supply from the plasma to the enzyme via reducing its transport by cationic amino acid transporters. Hepatic encephalopathy (HE) is a relatively frequently diagnosed complex neuropsychiatric syndrome associated with acute or chronic liver failure, characterized by symptoms linked with impaired brain function leading to neurological disabilities...
November 25, 2016: Neurochemical Research
https://www.readbyqxmd.com/read/27885493/hepatic-encephalopathy-present-and-future
#14
EDITORIAL
Nathan Davies
No abstract text is available yet for this article.
December 2016: Metabolic Brain Disease
https://www.readbyqxmd.com/read/27884751/a-systematic-review-of-the-effect-of-cannabidiol-on-cognitive-function-relevance-to-schizophrenia
#15
REVIEW
Ashleigh L Osborne, Nadia Solowij, Katrina Weston-Green
BACKGROUND AND OBJECTIVES: Cognitive impairment is a core symptom domain of schizophrenia, neurological disorders and substance abuse. It is characterised by deficits in learning, memory, attention and executive functioning and can severely impact daily living. Antipsychotic drugs prescribed to treat schizophrenia provide limited cognitive benefits and novel therapeutic targets are required. Cannabidiol (CBD), a component of the cannabis plant, has anti-inflammatory and antipsychotic-like properties; however, its ability to improve cognitive impairment has not been thoroughly explored...
November 21, 2016: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/27878780/a-pilot-study-using-lactulose-in-management-of-minimal-hepatic-encephalopathy-in-children-with-extrahepatic-portal-vein-obstruction
#16
Hanaa Mostafa El-Karaksy, Omneya Afifi, Azza Bakry, Ann Abdel Kader, Noha Saber
BACKGROUND: Minimal hepatic encephalopathy (MHE) is not associated with overt neuropsychiatric symptoms but rather with subtle changes in psychometric and/or neurophysiologic tests. We aimed to diagnose MHE in children with extrahepatic portal vein obstruction (EHPVO) and to evaluate the effect of lactulose on MHE. METHODS: A prospective study was carried out on 30 patients with EHPVO (21 males; mean age 10±2.5 years). The study was carried out in the Pediatric Hepatology Unit, Cairo University Pediatric Hospital, Cairo, Egypt, between 2011 and 2013...
November 23, 2016: World Journal of Pediatrics: WJP
https://www.readbyqxmd.com/read/27878658/role-of-matricellular-proteins-in-disorders-of-the-central-nervous-system
#17
A R Jayakumar, A Apeksha, M D Norenberg
Matricellular proteins (MCPs) are actively expressed non-structural proteins present in the extracellular matrix, which rapidly turnover and possess regulatory roles, as well as mediate cell-cell interactions. MCPs characteristically contain binding sites for other extracellular proteins, cell surface receptors, growth factors, cytokines and proteases, that provide structural support for surrounding cells. MCPs are present in most organs, including brain, and play a major role in cell-cell interactions and tissue repair...
November 23, 2016: Neurochemical Research
https://www.readbyqxmd.com/read/27878554/the-involvement-of-the-decrease-of-astrocytic-wnt5a-in-the-cognitive-decline-in-minimal-hepatic-encephalopathy
#18
Saidan Ding, Zhu Xu, Jianjing Yang, Leping Liu, Xueli Huang, Xuebao Wang, Qichuan Zhuge
Wnt signaling plays a key role in neuroprotection and synaptic plasticity. We speculate that the impairment of Wnt signaling may mediate astrocytic neurotrophins (NTs) production and the impairment of Wnt signaling to astrocytic NTs production contributes to the pathogenesis of minimal hepatic encephalopathy (MHE). Here, we found that induction of astrocytic NTs synthesis was by Wnt5a via the calcium/calmodulin-sensitive protein kinase II (CaMK II)-cAMP-response element-binding protein (CREB) pathway in PCAs...
November 22, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27869108/limonene-in-exhaled-breath-is-elevated-in-hepatic-encephalopathy
#19
M E O'Hara, R Fernández Del Río, A Holt, P Pemberton, T Shah, T Whitehouse, C A Mayhew
Breath samples were taken from 31 patients with liver disease and 30 controls in a clinical setting and proton transfer reaction quadrupole mass spectrometry (PTR-Quad-MS) used to measure the concentration of volatile organic compounds (VOCs). All patients had cirrhosis of various etiologies, with some also suffering from hepatocellular cancer (HCC) and/or hepatic encephalopathy (HE). Breath limonene was higher in patients with No-HCC than with HCC, median (lower/upper quartile) 14.2 (7.2/60.1) versus 3.6 (2...
November 21, 2016: Journal of Breath Research
https://www.readbyqxmd.com/read/27868217/chronic-opioid-use-is-associated-with-altered-gut-microbiota-and-predicts-readmissions-in-patients-with-cirrhosis
#20
C Acharya, N S Betrapally, P M Gillevet, R K Sterling, H Akbarali, M B White, D Ganapathy, A Fagan, M Sikaroodi, J S Bajaj
BACKGROUND: Opioid use is epidemic in cirrhosis, which could precipitate hepatic encephalopathy (HE) potentially through gut dysbiosis and inflammation. AIM: To define the effect of opioids on readmissions and on gut microbiota composition and functionality. METHODS: Cohort 1 had 200 cirrhotic in-patients (with/without opioid use) followed prospectively through the index hospitalisation and 6 months post discharge. Readmissions (HE-related/unrelated) were compared between patients discharged on opioids compared to the rest, including using a multi-variable analysis...
January 2017: Alimentary Pharmacology & Therapeutics
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