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hepatitis B clinical patterns

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https://www.readbyqxmd.com/read/28068755/systematic-quantitation-of-histologic-patterns-shows-accuracy-in-reflecting-cirrhotic-remodeling
#1
Yan Wang, Wei Huang, Ruhua Li, Zhaoqiang Yun, Youfu Zhu, Jinlian Yang, Hailin Liu, Zhipeng Liu, Qianjin Feng, Jinlin Hou
BACKGROUND AND AIM: There still lacks a tool for precisely evaluating cirrhotic remodeling. Histologic distortion characterized in cirrhosis (i.e. cirrhotic patterns) has a validated pathophysiological meaning and the potential relevance to clinical complications. We aimed to establish a new tool for quantify the cirrhotic patterns and test it for reflecting the cirrhotic remodeling. METHODS: We designed a computerized algorithm (qCP) dedicated for the analysis of liver images acquired by second harmonic microscopy...
January 9, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28047827/su-c-204-01-a-dosimetric-investigation-into-the-effects-of-yttrium-90-radioembolization-on-the-gi-tract-in-vivo-and-histological-analysis-in-an-animal-model
#2
A Pasciak, L Nodit, A Bourgeois, B Paxton, A Arepally, Y Bradley
PURPOSE: In Yttrium-90 (90Y) radioembolization, non-target embolization (NTE) to the stomach or small bowel can result in ulceration, a rare but difficult to manage clinical complication. However, dosimetric thresholds for toxicity to these tissues from radioembolization have never been evaluated in a controlled setting. We performed an analysis of the effect of 90Y radioembolization in a porcine model at different absorbed-dose endpoints. METHODS: Under approval of the University of Tennessee IACUC, 6 female pigs were included in this study...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28042245/viral-hepatitis-status-does-not-affect-survival-in-patients-with-hepatocellular-carcinoma
#3
Eyas Alkhalili, Alissa Greenbaum, Li Luo, Rodrigo Rodriguez, Katharine Caldwell, Oscar Munoz Estrada, Jacqueline O'Neill, Itzhak Nir, Katherine T Morris
BACKGROUND: There have been few studies on the impact of viral etiology on the prognosis in patients with hepatocellular carcinoma (HCC). The aim of this study was to evaluate the clinical characteristics and survival of patients with viral hepatitis-associated HCC (V-HCC), compared to patients with HCC of non-hepatitis B, non-hepatitis C (NBNC-HCC) etiology. METHODS: We performed a retrospective analysis of all patients with HCC treated at our comprehensive cancer center from 2000 through 2014...
2017: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
https://www.readbyqxmd.com/read/28027005/serological-survey-of-hepatitis-b-immunity-in-healthcare-workers-in-catalonia-spain
#4
A Domínguez, L Urbiztondo, J M Bayas, E Borrás, S Broner, M Campins, J Costa, M Esteve
Healthcare workers (HCW) are exposed to preventable infectious diseases, notably hepatitis B (HB). The aim of this study was to determine the immunity of HCW against hepatitis B. We made a seroprevalence study using a self-administered survey and obtained blood samples. Antibodies against the HB surface antigen (anti-HBs) and against the HB core antigen (anti-HBc) were studied. The odds ratio (OR) and 95% confidence intervals (CI) were calculated. The adjusted OR were calculated using logistic regression. Of the 644 HCW who participated (29...
December 27, 2016: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28017912/differences-in-the-integrase-and-reverse-transcriptase-transmitted-resistance-patterns-in-northern-poland
#5
Miłosz Parczewski, Magdalena Leszczyszyn-Pynka, Anna Urbańska
INTRODUCTION: With the widespread introduction of the integrase (In) inhibitors into clinical practice, transmission of drug resistance to this class of antiretroviral medications may expand. The aim of this study was to analyze the recent patterns of In resistance in treatment naive individuals in Northern Poland and its association with transmitted protease (PR) and reverse transcriptase (RT) mutations. METHODS: Study included 172 PR, RT and InI sequences from antiretroviral treatment naive HIV-1 infected patients linked to care in Northern Poland from 2010 to 2015...
December 22, 2016: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28012213/antibody-dependent-and-independent-uptake-of-hbsag-across-human-leukocyte-subsets-is-similar-between-individuals-with-chronic-hepatitis-b-virus-infection-and-healthy-donors
#6
Hugo Tharinger, Indrani Rebbapragada, Dharmaraj Samuel, Nikolai Novikov, Mindie Nguyen, Robert Jordan, Christian R Frey, Stefan Pflanz
Maintaining detectable levels of antibodies to hepatitis B surface antigen (HBsAg) in serum, i.e. HBsAg sero-conversion, is the key clinical endpoint indicative of recovery from infection with hepatitis B virus (HBV). HBV-infected hepatocytes secrete HBsAg sub-viral particles in vast excess over HBV virions. Therefore, detectable hepatitis B surface antibody (anti-HBs) titers imply complete elimination of HBV virions as well as HBsAg particles. Although intrahepatic phagocytes, e.g. Kupffer cells, are thought to mediate clearance of HBsAg via antibody (Ab)-dependent and -independent mechanisms, the relative contributions of circulating phagocytic cell types to HBsAg elimination are poorly characterized...
December 23, 2016: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/28009328/seroprevalence-and-diagnosis-of-hiv-hbv-hcv-and-syphilis-infections-among-blood-donors
#7
Tadesse Bekele Tafesse, Addis Adera Gebru, Semgne Gobalee, Gosaye Degu Bely, Molla Teferi Belew, Demelash Arso, Belay Ali Ebrahim, Getachew Mekonnon Shebeshi, Yonas Yimam
BACKGROUND: Blood transfusion is one of the most important therapeutic options of life-saving intervention for recipients who are in diseased or non-diseased conditions with severe blood loss. However, it is associated with certain risks which can lead to adverse consequences that may cause acute or delayed complications and bring the risk of transfusion-transmissible infections including HIV, Hepatitis B & C and Syphilis. So, there might be a fatal risk instead of life saving. This paper aims to provide a comprehensive and reliable tabulation of available data on seroprevalence and diagnosis of HIV, HBV, HCV and Syphilis infections among blood donors...
December 16, 2016: Human Antibodies
https://www.readbyqxmd.com/read/27993129/hepatitis-viruses-in-ethiopia-a-systematic-review-and-meta-analysis
#8
Yeshambel Belyhun, Melanie Maier, Andargachew Mulu, Ermias Diro, Uwe Gerd Liebert
BACKGROUND: The existing seroepidemiological data on viral hepatitis in Ethiopia showed a wide variation in prevalence pattern and the clinical and public health burden have been underestimated. The aim of this systematic review and meta-analysis was to provide a clear and comprehensive estimation of viral hepatitis epidemiology and the potential clinical burdens in Ethiopia. METHODS: A comprehensive literature search was carried out from five decades (1968-2015) published studies from biomedical databases; PubMed, Google scholar, Medline and Web of Science...
December 19, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27984401/who-orders-a-head-ct-perceptions-of-the-cirrhotic-bleeding-risk-in-an-international-multispecialty-survey-study
#9
Laura M Mazer, Marie Méan, Elliot B Tapper
OBJECTIVE: Traditional coagulopathic indices, including elevated international normalized ratio, do not correlate with bleeding risk in patients with cirrhosis. For this reason, head computed tomography (CT) has a low yield in cirrhotic patients with altered mental status and no trauma history. The initial diagnostic evaluation, however, is often made by nongastroenterologists influenced by the so-called "coagulopathy of cirrhosis." We sought to examine the prevalence, impact, and malleability of this perception in an international, multispecialty cohort...
December 14, 2016: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/27931107/a-diffusely-enlarged-pancreas-the-un-usual-suspect
#10
Pedro Magalhães-Costa, Maria José Brito, Pedro Pinto-Marques
An 81-years-old female presented with obstructive jaundice and a non-specific clinical picture of nausea and appetite loss. Labs demonstrated a conjugated hyperbilirrubinemia (7.7 mg/dL), increased aspartate aminotransferase and alanine aminotransferase (10xULN and 8xULN, respectively), increased lactate dehydrogenase (10xULN) and serum lipase (3xULN). CA 19.9 was 342 U/mL (Ref value < 37 U/mL). There was no evidence of peripheral lymphadenopathy or hepatosplenomegaly. Imaging (Figure 1A and 1B) revealed a marked homogeneous enlargement of the pancreas (without any well-defined mass), dilation of the extra and intra-hepatic bile ducts and ascites...
December 2016: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/27858889/correlates-of-infection-and-molecular-characterization-of-blood-borne-hiv-hcv-and-hbv-infections-in-hiv-1-infected-inmates-in-italy-an-observational-cross-sectional-study
#11
Nunzia Sanarico, Stefania D'Amato, Roberto Bruni, Claudia Rovetto, Emanuela Salvi, Patrizia Di Zeo, Paola Chionne, Elisabetta Madonna, Giulio Pisani, Angela Costantino, Michele Equestre, Maria E Tosti, Alessandra Cenci, Maria T Maggiorella, Leonardo Sernicola, Emanuele Pontali, Alfredo Pansera, Rocco Quattrocchi, Sergio Carbonara, Fabio Signorile, Lorenzo Antonio Surace, Guido Federzoni, Elisa Garlassi, Giulio Starnini, Roberto Monarca, Sergio Babudieri, Maria Rapicetta, Maria G Pompa, Anna Caraglia, Barbara Ensoli, Anna R Ciccaglione, Stefano Buttò
Coinfection of blood-borne hepatitis B and hepatitis C viruses (HBV and HCV, respectively) in human immunodeficiency virus type 1 (HIV-1)-positive individuals frequently occurs in inmate population and peculiar viral strains and patterns of virological markers may be observed.Plasma from 69 HIV-1-positive inmates was obtained from 7 clinical centers connected with correctional centers in different towns in Italy. HIV, HBV, and HCV markers were tested by commercial assays. Virus genotyping was carried out by sequencing the protease and reverse transcriptase-encoding region (PR-RT region) for HIV and a region encompassing the NS5B gene for HCV and subsequent phylogenetic analysis...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27797900/viral-associated-gn-hepatitis-b-and-other-viral-infections
#12
Warren L Kupin
By definition, viral-associated GN indicates the direct pathogenic relationship between active viral replication and the development of acute GN. This definition is in sharp contrast to the semantic label and pathophysiologic foundation behind postinfectious GN that uniquely develops only during a period of resolved and absent active infection. The primary example of postinfectious GN are the glomerular lesions described after a pharyngeal or cutaneous streptococcal infection and do not represent the clinical or immunologic pattern seen with viral-associated GN...
October 18, 2016: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/27694733/monitoring-of-genotypic-resistance-profile-in-chronic-hepatitis-b-patients-receiving-nucleos-t-ide-analogues-in-huzhou-china
#13
Fuchu Qian, Jiqu Qin, Dongli Li, Zhihong Ma, Hairong Zhang, Fang Jin, Weihong Wang
INTRODUCTION: Antiviral drug-resistance patterns of hepatitis B virus (HBV) mutants are complex and currently partly understood. The aim of this study was to monitor the genotypic resistance profile in patients with chronic hepatitis B (CHB) receiving nucleos(t)ide analogues (NAs) in Huzhou, eastern China. METHODOLOGY: Serum samples of 139 CHB patients undergoing NA treatment were obtained from Huzhou Central Hospital. The full-length HBV reverse transcriptase regions were amplified and sequenced...
September 30, 2016: Journal of Infection in Developing Countries
https://www.readbyqxmd.com/read/27681123/single-nucleotide-resolution-mapping-of-hepatitis-b-virus-promoters-in-infected-human-livers-and-hepatocellular-carcinoma
#14
Kübra Altinel, Kosuke Hashimoto, Yu Wei, Christine Neuveut, Ishita Gupta, Ana Maria Suzuki, Alexandre Dos Santos, Pierrick Moreau, Tian Xia, Soichi Kojima, Sachi Kato, Yasuhiro Takikawa, Isao Hidaka, Masahito Shimizu, Tomokazu Matsuura, Akihito Tsubota, Hitoshi Ikeda, Sumiko Nagoshi, Harukazu Suzuki, Marie-Louise Michel, Didier Samuel, Marie Annick Buendia, Jamila Faivre, Piero Carninci
: Hepatitis B virus (HBV) is a major cause of liver diseases, including hepatocellular carcinoma (HCC), and more than 650,000 people die annually due to HBV-associated liver failure. Extensive studies of individual promoters have revealed that heterogeneous RNA 5' ends contribute to the complexity of HBV transcriptome and proteome. Here, we provide a comprehensive map of HBV transcription start sites (TSSs) in human liver, HCC, and blood, as well as several experimental replication systems, at a single-nucleotide resolution...
December 1, 2016: Journal of Virology
https://www.readbyqxmd.com/read/27672298/different-pre-s-deletion-patterns-and-their-association-with-hepatitis-b-virus-genotypes
#15
Bing-Fang Chen
AIM: To investigate the associations of different types of pre-S deletions with hepatitis B virus (HBV) genotypes. METHODS: The sequences of the pre-S region, basal core promoter (BCP) mutation, and precore (PC) mutation were examined through direct DNA sequencing or clonal analysis and sequencing in 273 HBV carriers, namely 55 asymptomatic carriers, 55 carriers with chronic hepatitis (CH), 55 with liver cirrhosis (LC), 53 with liver cirrhotic hepatocellular carcinoma (LC-HCC), and 55 with noncirrhotic HCC...
September 21, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27559982/significant-symptoms-alleviation-and-tumor-volume-reduction-after-combined-simultaneously-integrated-inner-escalated-boost-and-volumetric-modulated-arc-radiotherapy-in-a-patient-with-unresectable-bulky-hepatocellular-carcinoma-a-care-compliant-case-report
#16
Young-Hsiang Lin, Shih-Kai Hung, Wen-Yen Chiou, Moon-Sing Lee, Bing-Jie Shen, Liang-Cheng Chen, Dai-Wei Liu, Wei-Ta Tsai, Po-Hao Lin, Yi-Ting Shih, Feng-Chun Hsu, Shiang-Jiun Tsai, Michael W Y Chan, Hon-Yi Lin
BACKGROUND: Clinically, elderly patients with unresectable bulky hepatocellular carcinoma (HCC) are difficult to manage, especially in those with co-infections of hepatitis B and C virus. Herein, we reported such a case treated with radiotherapy (RT) by using combined simultaneously integrated inner-escalated boost and volumetric-modulated arc radiotherapy (SIEB-VMAT). After RT, significant symptoms alleviation and durable tumor control were observed. CASE SUMMARY: At presentation, an 85-year-old male patient complained abdominal distention/pain, poor appetite, and swelling over bilateral lower limbs for 1 month...
August 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27544241/naturally-occurring-surface-antigen-variants-of-hepatitis-b-virus-in-tunisian-patients
#17
Houda Chaouch, Stefania Taffon, Umbertina Villano, Michele Equestre, Roberto Bruni, Manel Belhadj, Naila Hannachi, Mahjoub Aouni, Amel Letaief, Anna Rita Ciccaglione
In Tunisia, the prevalence of naturally occurring surface (S) gene variants of hepatitis B virus (HBV) has not been determined. In the present study, the prevalence of these variants was examined in terms of the clinical and viral state in a series of 99 Tunisian patients with HBV infection. The S genes were amplified and directly sequenced. Genotype D was predominant (98%), 40.4% isolates belonged to subgenotypes D7 and 1 to subgenotype D2. The most common subtype was ayw2 (95.9%). In total, 60.6% of the studied strains harbored S mutations...
2016: Intervirology
https://www.readbyqxmd.com/read/27513662/prognostic-and-diagnostic-significance-of-sdpr-cavin-2-in-hepatocellular-carcinoma
#18
Wei Jing, Ping Luo, Man Zhu, Qian Ai, Hongyan Chai, Jiancheng Tu
BACKGROUND: Hepatocellular carcinoma (HCC) is a malignant tumor worldwide. Due to the lack of early prediction marker, numerous patients were diagnosed in their late stage. The family of cavins plays important roles in caveolae formation and cellular processes. Cavin-2, one of the members of cavins, has been reported as a suppresser in cancers. In this study, we have investigated its expression pattern and clinical significance in HCC. METHODS: RT‑qPCR was performed to detect the expression of cavin-2...
2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27484020/discontinuation-of-echinocandin-and-azole-treatments-led-to-the-disappearance-of-an-fks-alteration-but-not-azole-resistance-during-clonal-candida-glabrata-persistent-candidaemia
#19
S Imbert, L Castain, A Pons, S Jacob, I Meyer, M Palous, C Vezinet, O Langeron, C Hennequin, A Monsel, A Fekkar
To give an indication of a fitness cost conferred by FKS mutation-associated echinocandin resistance in Candida glabrata during human infection. Six C. glabrata clinical strains sequentially isolated from blood and a hepatic abscess in a solid organ transplant recipient were analysed. The patient had received long-term azole and echinocandin therapy for invasive aspergillosis and persistent candidaemia. Minimal inhibitory concentrations were determined by the European Committee on Antimicrobial Susceptibility Testing (EUCAST) broth microdilution method...
October 2016: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/27439498/localization-of-immunodominant-epitopes-within-the-a-determinant-of-hepatitis-b-surface-antigen-using-monoclonal-antibodies
#20
Forough Golsaz-Shirazi, Hamed Mohammadi, Mohammad Mehdi Amiri, Jalal Khoshnoodi, Gholam Ali Kardar, Mahmood Jeddi-Tehrani, Fazel Shokri
The common "a" determinant is the major immunodominant region of hepatitis B surface antigen (HBsAg) shared by all serotypes and genotypes of hepatitis B virus (HBV). Antibodies against this region are thought to confer protection against HBV and are essential for viral clearance. Mutations within the "a" determinant may lead to conformational changes in this region, which can affect the binding of neutralizing antibodies. There is an increasing concern about identification and control of mutant viruses which is possible by comprehensive structural investigation of the epitopes located within this region...
October 2016: Archives of Virology
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