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Diagnosis of hepatitis c

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https://www.readbyqxmd.com/read/28437794/hepatitis-b-virus-reactivation-associated-with-direct-acting-antiviral-therapy-for-chronic-hepatitis-c-virus-a-review-of-cases-reported-to-the-u-s-food-and-drug-administration-adverse-event-reporting-system
#1
Susan J Bersoff-Matcha, Kelly Cao, Mihaela Jason, Adebola Ajao, S Christopher Jones, Tamra Meyer, Allen Brinker
Background: Direct-acting antiviral agents (DAAs) are used increasingly to treat hepatitis C virus (HCV) infection. Reports were published recently on hepatitis B virus (HBV) reactivation (HBV-R) in patients with HBV-HCV co-infection. Hepatitis B virus reactivation, defined as an abrupt increase in HBV replication in patients with inactive or resolved HBV infection, may result in clinically significant hepatitis. Objective: To assess whether HBV-R is a safety concern in patients receiving HCV DAAs...
April 25, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28437156/development-of-a-taqman-based-real-time-pcr-assay-for-rapid-and-specific-detection-of-fowl-aviadenovirus-serotype-4
#2
Jianchang Wang, Jinfeng Wang, Ping Chen, Libing Liu, Wanzhe Yuan
Twelve serotypes of fowl aviadenovirus, namely, FAdV-(1-8a and 8b-11), have been identified, among which FAdV-4 is the aetiologic agent of hepatitis hydropericardium syndrome (HHS) in chickens. Outbreaks of HHS have been documented in many countries, causing significant economic losses. Real-time PCR methods described so far in the literature cross-detect different serotypes of FAdVs. In this study, we aimed to develop a TaqMan-based real-time PCR assay for the specific detection of FAdV-4. A pair of primers targeting the hexon gene and a TaqMan probe were designed...
June 2017: Avian Pathology: Journal of the W.V.P.A
https://www.readbyqxmd.com/read/28430371/evaluation-of-circulating-zonulin-as-a-potential-marker-in-the-pathogenesis-of-nonalcoholic-fatty-liver-disease
#3
Olfat M Hendy, Maha M Elsabaawy, Mona M Aref, Fatma M Khalaf, Abdel Moaty A Oda, Helmy M El Shazly
Nonalcoholic fatty liver disease (NAFLD) is a spectrum of liver disorders ranging from simple hepatic steatosis up to nonalcoholic steatohepatitis (NASH) evolving to cirrhosis and hepatocellular carcinoma (HCC). Liver biopsy is still the gold standard modality for diagnosing and staging NAFLD. The linkage between intestinal microbiota and NAFLD, might suggest a potential role of serum zonulin in NAFLD diagnosis. To appraise the role of circulating zonulin in NAFLD pathogenesis, 56 subjects with proved NAFLD by ultrasonography and liver biopsy, as well as 20 healthy controls were tested...
April 21, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28428134/use-of-physiological-biomarkers-in-diagnosis-along-with-field-trials-of-different-trypanisidal-drugs-in-camels-of-cholistan-desert
#4
Aneela Zameer Durrani, Zubair Bashir, Khalid Mehmood, Muhammad Avais, Haroon Akbar, Waqas Ahmad, Muhammad Azeem
The point prevalence of trypanosomiasis with different physiological biomarkers along with evaluation of the most responsive trypanosidal drug against trypanosomiasis under field conditions was studied. For this purpose a total of 300 free range camels were selected at different grazing and watering point in Cholistan desert. The study population of camels included 150 clinically suspected camels for trypanosomiasis and 150 healthy camels with normal temperature, pulse and respiration. For therapeutic trials 36 positively diagnosed animals were randomly divided into three experimental groups for therapeutic trials...
April 17, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28425467/hyperpolarized-13-c-spectroscopic-evaluation-of-oxidative-stress-in-a-rodent-model-of-steatohepatitis
#5
David M Wilson, Valentina Di Gialleonardo, Zhen J Wang, Valerie Carroll, Cornelius Von Morze, Andrew Taylor, Victor Sai, Mark VanCriekinge, Robert Bok, Michael A Ohliger, Kayvan R Keshari
Nonalcoholic fatty liver disease (NAFLD) has become highly prevalent, now considered the most common liver disease in the western world. Approximately one-third of patients with NASH develop non-alchoholic steatohepatitis (NASH), histologically defined by lobular and portal inflammation, and accompanied by marked oxidative stress. Patients with NASH are at increased risk for cirrhosis and hepatocellular carcinoma, and diagnosis currently requires invasive biopsy. In animal models of NASH, particularly the methionine-choline deficient (MCD) model, profound changes are seen in redox enzymes and key intracellular antioxidants...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28425403/the-prevalence-of-parkinson-disease-among-patients-with-hepatitis-c-infection
#6
Pegah Golabi, Munkhzul Otgonsuren, Mehmet Sayiner, Aimal Arsalla, Trevor Gogoll, Zobair M Younossi
INTRODUCTION: HCV has been suspected to potentially cause degenerations in the central nervous system. Parkinson's disease is the second most common neurodegenerative disorder. Our aim was to assess the prevalence of Parkinson's disease among patients with HCV infection. MATERIAL AND METHODS: For this study, we used Medicare database from 2005-2010. Medicare database contains information on enrollment, coverage, diagnosis recorded with International Classification of Disease, Ninth Revision (ICD-9)...
May 2017: Annals of Hepatology
https://www.readbyqxmd.com/read/28423231/direct-acting-antiviral-therapy-decreases-hepatocellular-carcinoma-recurrence-rate-in-cirrhotic-patients-with-chronic-hepatitis-c
#7
Victor Virlogeux, Pierre Pradat, Kerstin Hartig-Lavie, François Bailly, Marianne Maynard, Guillaume Ouziel, Domitille Poinsot, Fanny Lebossé, Marie Ecochard, Sylvie Radenne, Samir Benmakhlouf, Joseph Koffi, Philippe Lack, Caroline Scholtes, Anne-Claire Uhres, Christian Ducerf, Jean-Yves Mabrut, Agnès Rode, Massimo Levrero, Christophe Combet, Philippe Merle, Fabien Zoulim
BACKGROUND AND AIMS: Arrival of direct-acting antiviral (DAA) agents against hepatitis C virus (HCV) with high-sustained virological response (SVR) rates and very few side effects has drastically changed the management of HCV infection. The impact of DAA exposure on hepatocellular carcinoma (HCC) recurrence after a first remission in patients with advanced fibrosis remains to be clarified. METHODS: 68 consecutive HCV patients with a first HCC diagnosis and under remission, subsequently treated or not with a DAA combination, were included...
April 19, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28420944/new-therapies-for-hepatitis-c-virus-infection
#8
Jennifer L Horsley-Silva, Hugo E Vargas
Approximately 350 million people worldwide are infected with hepatitis C virus (HCV), which is associated with morbidity and mortality related to cirrhosis, hepatocellular carcinoma, or liver failure. Recently, vast improvements have been made with the development of direct-acting antiviral (DAA) agents, which are all-oral, are better tolerated than interferon-based treatment, and provide a sustained virologic response in more than 90% of treated patients. This article reviews the new therapies available for HCV infection, with a focus on patients who have chronic HCV with and without compensated cirrhosis...
January 2017: Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28412290/lack-of-decline-in-hepatitis-c-virus-incidence-among-hiv-positive-men-who-have-sex-with-men-during-1990-2014
#9
Daniela Katinka Van Santen, Jannie Johanna Van Der Helm, Julia Del Amo, Laurence Meyer, Antonella D'arminio Monforte, Matt Price, Charles Antoine Béguelin, Robert Zangerle, Mette Sannes, Kholoud Porter, Ronald Bertus Geskus, Maria Prins
BACKGROUND AND AIMS: Hepatitis C virus (HCV) incidence among HIV-positive men who have sex with men (MSM) has increased since 2000, though regional differences have been documented in recent years. We aimed to 1) estimate trends in HCV incidence among HIV-positive MSM, 2) assess the association between incidence and geographical region, age and HIV-related measurements and, 3) assess temporal changes in time from HIV seroconversion to HCV infection. METHODS: We used data from MSM with well-estimated dates of HIV seroconversion from the CASCADE Collaboration (1990-2014)...
April 12, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28410673/hotspots-of-canine-leptospirosis-in-the-united-states-of-america
#10
Allison M White, Carlos Zambrana-Torrelio, Toph Allen, Melinda K Rostal, Andrea K Wright, Eileen C Ball, Peter Daszak, William B Karesh
Leptospirosis is a widespread zoonotic disease that causes hepatic and renal disease in dogs and human beings. The incidence of leptospirosis in dogs in the USA appears to be increasing. This study used 14 years of canine leptospirosis testing data across 3109 counties in the USA to analyze environmental and socio-economic correlates with rates of infection and to produce a map of locations of increased risk for canine leptospirosis. Boosted regression trees were used to identify the probability of a dog testing positive for leptospirosis based on microscopic agglutination test (MAT) results, and environmental and socio-economic data...
April 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28408931/drug-induced-pneumonitis-secondary-to-treatment-with-paritaprevir-ritonavir-ombitasvir-and-dasabuvir-viekira-pak%C3%A2-for-chronic-hepatitis-c-case-report-of-an-unexpected-life-threatening-adverse-reaction
#11
Shih Yea Sylvia Wu, Bridget Faire, Edward Gane
VIEKIRA PAK (ritonavir-boosted paritaprevir/ombitasvir and dasabuvir) is an approved treatment for compensated patients with genotype 1 (GT1) chronic hepatitis C virus (HCV) infection. This oral regimen has minimal adverse effects and is well tolerated. Cure rates are 97% in patients infected with HCV GT 1a and 99% in those with HCV GT 1b. We report the first case of life-threatening allergic pneumonitis associated with VIEKIRA PAK. This unexpected serious adverse event occurred in a 68-year-old Chinese female with genotype 1b chronic hepatitis C and Child-Pugh A cirrhosis...
2017: Case Reports in Medicine
https://www.readbyqxmd.com/read/28406534/serum-wfa-m2bp-levels-predict-liver-fibrosis-development-of-hepatocellular-carcinoma-and-overall-survival-a-meta-analysis
#12
Kiyoaki Ito, Kenta Murotani, Yukiomi Nakade, Tadahisa Inoue, Haruhisa Nakao, Yoshio Sumida, Yoshihiro Kamada, Masashi Yoneda
BACKGROUND AND AIM: A reliable, non-invasive biomarker for diagnosis of liver fibrosis in chronic liver disease patients is needed. The aim of this study was to assess by meta-analysis the efficacy of measuring serum levels of Wisteria floribunda agglutinin-positive Mac-2-binding protein (WFA(+) -M2BP), a novel and promising biomarker, for staging liver fibrosis and predicting the development of hepatocellular carcinoma and overall survival. METHODS: We performed a meta-analysis using online journal database searches...
April 12, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28406121/normalization-of-the-psychometric-hepatic-encephalopathy-score-for-diagnosis-of-minimal-hepatic-encephalopathy-in-turkey
#13
Bdo Coskun, M Ozen, S Gursoy, O Ozbakir, O K Poyrazoglu, M Baskol, G C Sezgin, M Yucesoy
AIM: To construct normal values for the tests of the psychometric hepatic encephalopathy score (PHES) and evaluate the prevalence of minimal hepatic encephalopathy (MHE) among Turkish patients with liver cirrhosis. MATERIALS AND METHODS: One hundred and eighty-five healthy subjects and sixty patients with liver cirrhosis without overt hepatic encephalopathy were included in the study. All subjects underwent psychometric tests, which include number connection test-A and B (NCT-A/B), serial dotting test (DST), line drawing test (LDT), and digit symbol test (DST) in the same day...
April 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28404202/hepatitis-c-treatment-as-prevention-evidence-feasibility-and-challenges
#14
REVIEW
Behzad Hajarizadeh, Jason Grebely, Marianne Martinello, Gail V Matthews, Andrew R Lloyd, Gregory J Dore
The advent of interferon-free direct-acting antiviral therapy for hepatitis C virus (HCV) infection has heightened discussion of treatment as prevention. Rapid scale-up in many settings, and the prospect of further treatment simplification have extended therapeutic optimism towards HCV elimination. However, questions remain regarding the feasability of HCV treatment as prevention, including real world efficacy of direct-acting antiviral therapy, particularly among people who inject drugs, and whether expanded treatment access will be sufficient to reduce HCV transmission...
December 2016: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28404135/incidence-risk-factors-and-prevention-of-hepatitis-c-reinfection-a-population-based-cohort-study
#15
Nazrul Islam, Mel Krajden, Jean Shoveller, Paul Gustafson, Mark Gilbert, Jane A Buxton, Jason Wong, Mark W Tyndall, Naveed Zafar Janjua
BACKGROUND: People remain at risk of reinfection with hepatitis C virus (HCV), even after clearance of the primary infection. We identified factors associated with HCV reinfection risk in a large population-based cohort study in British Columbia, Canada, and examined the association of opioid substitution therapy and mental health counselling with reinfection. METHODS: We obtained data from the British Columbia Hepatitis Testers Cohort, which includes all individuals tested for HCV or HIV at the British Columbia Centre for Disease Control Public Health Laboratory during 1990-2013 (when data were available)...
March 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28403980/characteristics-management-and-outcomes-of-patients-with-hepatocellular-carcinoma-in-africa-a-multicountry-observational-study-from-the-africa-liver-cancer-consortium
#16
Ju Dong Yang, Essa A Mohamed, Ashraf O Abdel Aziz, Hend I Shousha, Mohamed B Hashem, Mohamed M Nabeel, Ahmed H Abdelmaksoud, Tamer M Elbaz, Mary Y Afihene, Babatunde M Duduyemi, Joshua P Ayawin, Adam Gyedu, Marie-Jeanne Lohouès-Kouacou, Antonin W Ndjitoyap Ndam, Ehab F Moustafa, Sahar M Hassany, Abdelmajeed M Moussa, Rose A Ugiagbe, Casimir E Omuemu, Richard Anthony, Dennis Palmer, Albert F Nyanga, Abraham O Malu, Solomon Obekpa, Abdelmounem E Abdo, Awatif I Siddig, Hatim M Y Mudawi, Uchenna Okonkwo, Mbang Kooffreh-Ada, Yaw A Awuku, Yvonne A Nartey, Elizabeth T Abbew, Nana A Awuku, Jesse A Otegbayo, Kolawole O Akande, Hailemichael M Desalegn, Abidemi E Omonisi, Akande O Ajayi, Edith N Okeke, Mary J Duguru, Pantong M Davwar, Michael C Okorie, Shettima Mustapha, Jose D Debes, Ponsiano Ocama, Olufunmilayo A Lesi, Emuobor Odeghe, Ruth Bello, Charles Onyekwere, Francis Ekere, Rufina Igetei, Mitchell A Mah'moud, Benyam Addissie, Hawa M Ali, Gregory J Gores, Mark D Topazian, Lewis R Roberts
BACKGROUND: Hepatocellular carcinoma is a leading cause of cancer-related death in Africa, but there is still no comprehensive description of the current status of its epidemiology in Africa. We therefore initiated an African hepatocellular carcinoma consortium aiming to describe the clinical presentation, management, and outcomes of patients with hepatocellular carcinoma in Africa. METHODS: We did a multicentre, multicountry, retrospective observational cohort study, inviting investigators from the African Network for Gastrointestinal and Liver Diseases to participate in the consortium to develop hepatocellular carcinoma research databases and biospecimen repositories...
February 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28403327/internal-control-for-real-time-polymerase-chain-reaction-based-on-ms2-bacteriophage-for-rna-viruses-diagnostics
#17
Miriam Ribas Zambenedetti, Daniela Parada Pavoni, Andreia Cristine Dallabona, Alejandro Correa Dominguez, Celina de Oliveira Poersch, Stenio Perdigão Fragoso, Marco Aurélio Krieger
BACKGROUND: Real-time reverse transcription polymerase chain reaction (RT-PCR) is routinely used to detect viral infections. In Brazil, it is mandatory the use of nucleic acid tests to detect hepatitis C virus (HCV), hepatitis B virus and human immunodeficiency virus in blood banks because of the immunological window. The use of an internal control (IC) is necessary to differentiate the true negative results from those consequent from a failure in some step of the nucleic acid test. OBJECTIVES: The aim of this study was the construction of virus-modified particles, based on MS2 bacteriophage, to be used as IC for the diagnosis of RNA viruses...
April 6, 2017: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/28401719/hepatitis-a-to-e-what-s-new
#18
Waled Mohsen, Miriam T Levy
Viral hepatitis contributes to significant morbidity and mortality worldwide. While acute infection may be self-limiting, unrecognised chronic infection and under-utilisation of guideline-based approaches to therapy contribute to increasing rates of cirrhosis, hepatocellular carcinoma and death. Our aim was to review the current evidence for screening, diagnosis and treatment in hepatitis A to E. Evidence for this review was sourced from international and Australian guidelines and high-quality clinical trials...
April 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/28397696/hepatitis-c-virus-prevalence-and-level-of-intervention-required-to-achieve-the-who-targets-for-elimination-in-the-european-union-by-2030-a-modelling-study
#19
(no author information available yet)
BACKGROUND: Hepatitis C virus (HCV) is a leading cause of liver-related morbidity and mortality worldwide. In the European Union (EU), treatment and cure of HCV with direct-acting antiviral therapies began in 2014. WHO targets are to achieve a 65% reduction in liver-related deaths, a 90% reduction of new viral hepatitis infections, and 90% of patients with viral hepatitis infections being diagnosed by 2030. This study assessed the prevalence of HCV in the EU and the level of intervention required to achieve WHO targets for HCV elimination...
May 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28397481/diagnosis-of-hepatitis-c-virus-infection-using-a-novel-mouse-monoclonal-antibody-to-detect-serum-hcv-e1-e2-antigens
#20
Iman Touni, Ashraf A Tabll, Shaimaa S Sobieh, Maha A Hewedy, Yasmine S El Abd, Sergei Viazov
BACKGROUND: Hepatitis C virus (HCV) is a major cause of liver disease worldwide and in Egypt. The aim of this study was to detect HCV E1/E2 antigens using a novel mouse monoclonal antibody (mAb) designated (7G9) as a diagnostic and alternative approach for HCV detection. METHODS: The detection of HCV-E1/E2 antigens in 138 patients positive for HCV infection tested by RT-PCR and 25 healthy individuals negative for HCV as control group was done by an optimized in-house ELISA and DotELISA (based on the molecular mimicry of E2 to immunoglobulins)...
April 1, 2017: Clinical Laboratory
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