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hepatitis B virus infection in pregnancy

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https://www.readbyqxmd.com/read/29923793/maternal-folic-acid-supplementation-and-antibody-persistence-5-years-after-hepatitis-b-vaccination-among-infants
#1
Xinyu Zhao, Xinghuo Pang, Fuzhen Wang, Fuqiang Cui, Li Wang, Wei Zhang
BACKGROUND: Maternal exposure to dietary factors during pregnancy may modulate the immunity of offspring by epigenetic programming. But the relationship between intrauterine environment and persistence of protective antibody after hepatitis B vaccination has not been reported. This study was to investigate the 5-year persistence of protective antibody response after primary hepatitis B vaccination, and its relationship with maternal folic acid supplementation. MATERIALS AND METHODS: A total of 1461 children who completed a 3-dose 10 μg recombinant hepatitis B vaccine at birth and did not infect hepatitis B virus were followed up...
June 20, 2018: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29805248/hepatitis-b-virus-testing-and-care-among-pregnant-women-using-commercial-claims-data-united-states-2011-2014
#2
Aaron M Harris, Cheryl Isenhour, Sarah Schillie, Claudia Vellozzi
Introduction: Pregnant women should receive hepatitis B virus (HBV) testing with hepatitis B surface antigen (HBsAg), but it is unclear whether HBV-infected pregnant women are linked to care. Methods: We analyzed MarketScan™ commercial insurance claims. We included pregnant women, aged 10-50 years, with 42 weeks of continuous enrollment before (predelivery) and 6 months after (postdelivery) the first delivery claim for each unique pregnancy between 1/1/2011 and 6/30/2014...
2018: Infectious Diseases in Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29804394/-consensus-on-clinical-management-of-hepatitis-b-virus-infected-women-of-childbearing-age
#3
(no author information available yet)
The mother-to-child transmission(MTCT) of hepatitis B virus (HBV) is the dominant cause of chronic HBV infection. In order to achieve the goal of "zero" MTCT before pregnancy, during pregnancy, and after pregnancy; standardized management for hepatitis HBV infection in women of childbearing age should be regulated. The content of this consensus includes: screening and treatment of HBV in pregnant women and women of childbearing age, treatment of hepatitis B during pregnancy, preventive measures and evaluation of combined immunization of hepatitis B immunoglobulin and hepatitis B vaccine in newborns, anti-viral therapy for all pregnant women with a high HBV DNA level and post-partum period related management...
March 20, 2018: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/29785877/hepatitis-b-virus-lymphotropism-emerging-details-and-challenges
#4
Shivali S Joshi, Carla S Coffin
The hepatitis B virus (HBV) is predominantly a hepatotropic virus but also infects cells of the lymphatic system. HBV genomes (DNA, messenger (m)RNA, covalently closed circular (ccc) DNA) and proteins have been found in extrahepatic sites such as peripheral blood mononuclear cells (PBMC), lymph nodes, spleen, bone marrow and cerebrospinal fluid. HBV entry into hepatocytes occurs by binding of the HBV preS1 surface protein to its specific receptor, the bile acid transporter, sodium taurocholate co-transporting polypeptide (NTCP)...
May 22, 2018: Biotechnology & Genetic Engineering Reviews
https://www.readbyqxmd.com/read/29772814/chronic-and-occult-hepatitis-b-virus-infection-in-pregnant-women-in-botswana
#5
Tshepiso Mbangiwa, Ishmael Kasvosve, Motswedi Anderson, Prisca K Thami, Wonderful T Choga, Austen Needleman, Bonolo B Phinius, Sikhulile Moyo, Melvin Leteane, Jean Leidner, Jason T Blackard, Gloria Mayondi, Betsy Kammerer, Rosemary M Musonda, Max Essex, Shahin Lockman, Simani Gaseitsiwe
The hepatitis B virus (HBV) is a global problem; however, the burden of HBV infection in pregnant women in Botswana is unknown. We sought to determine the prevalence of chronic and occult HBV infection in human immunodeficiency virus (HIV)-infected and -uninfected pregnant women in Botswana. Samples from 752 pregnant women were tested for hepatitis B surface antigen (HBsAg), and HBsAg-positive samples were tested for hepatitis B e antigen (HBeAg) and HBV DNA load. Samples that were HBsAg negative were screened for occult HBV infection by determining the HBV DNA load...
May 17, 2018: Genes
https://www.readbyqxmd.com/read/29557200/new-therapies-versus-first-generation-biologic-drugs-in-psoriasis-a-review-of-adverse-events-and-their-management
#6
J M Carrascosa, E Del-Alcazar
Biologic drugs have revolutionized the treatment of moderate to severe psoriasis in recent years because of their high efficacy and low risk of toxicity. However, even within the group of biologic therapies, there are differences related to the different mechanisms of action. Areas covered: We review the main adverse events associated with the biologic agents currently available for the treatment of psoriasis and the new inhibitors targeting the p19 subunit of interleukin (IL) 23 and the IL-17A receptor. This review covers injection site reactions, infections, cardiovascular events, demyelinating disorders, tumours, class effects secondary adverse events, immunogenicity, safety in pregnancy and vaccines efficacy...
April 2018: Expert Review of Clinical Immunology
https://www.readbyqxmd.com/read/29540601/positive-regulation-of-hepatitis-e-virus-replication-by-microrna-122
#7
Bangari Haldipur, Prudhvi Lal Bhukya, Vidya Arankalle, Kavita Lole
The molecular mechanisms of liver pathology and clinical disease in hepatitis E virus (HEV) infection remain unclear. MicroRNAs (miRNAs) are known to modulate viral pathogenesis either by directly altering viral gene expression or by enhancing cellular antiviral responses. Given the importance of microRNA-122 (miR-122) in liver pathobiology, we investigated possible role of miR-122 in HEV infection. In silico predictions using HEV genotype 1 (HEV-1), HEV-2, HEV-3, and HEV-4 sequences showed that the majority of genomes (203/222) harbor at least one miR-122/microRNA-122-3p (miR-122*) target site...
June 1, 2018: Journal of Virology
https://www.readbyqxmd.com/read/29526602/epigenome-wide-study-for-the-offspring-exposed-to-maternal-hbv-infection-during-pregnancy-a-pilot-study
#8
Qijun Cheng, Bin Zhao, Zhenxiang Huang, Yanhua Su, Biqin Chen, Songjing Yang, Xueqi Peng, Qilin Ma, Xiaoshan Yu, Benhua Zhao, Xiayi Ke
BACKGROUND & AIM: Hepatitis B virus (HBV) can be transmitted to infants, and is related to infants' later disease risk. Epigenetic change (such as DNA methylation) may be mechanism underlying the relationship. In this study, we aimed to investigate whether prenatal HBV infection could alter DNA methylation status in newborns. METHOD: We selected 12 neonates with intrauterine HBV infection whose mothers were HBsAg-positive during pregnancy, relative to 12 HBV-free neonates with HBsAg-negative mothers...
June 5, 2018: Gene
https://www.readbyqxmd.com/read/29500784/hepatitis-c-virus-knowledge-among-pregnant-women-with-opioid-use-disorder
#9
Elizabeth E Krans, Scott D Rothenberger, Penelope K Morrison, Seo Young Park, Leah C Klocke, Mary J Turocy, Susan Zickmund
Objectives To evaluate Hepatitis C virus (HCV) knowledge and awareness among pregnant women with opioid use disorder (OUD). Methods From May through November 2015, a one-time survey was distributed to a convenience sample of pregnant women with OUD to assess their knowledge and awareness of (a) risk factors for HCV infection, (b) HCV transmission prevention strategies, (c) hepatotoxic risk reduction and (d) perinatal transmission and neonatal implications of HCV infection. Chi square and Fisher's exact tests were used to compare demographic characteristics and HCV knowledge between participants who were HCV positive and negative...
March 3, 2018: Maternal and Child Health Journal
https://www.readbyqxmd.com/read/29470782/treatment-of-hepatitis-c-during-pregnancy-weighing-the-risks-and-benefits-in-contrast-to-hiv
#10
REVIEW
A Sidney Barritt, Ravi Jhaveri
PURPOSE OF REVIEW: Increasing hepatitis C virus (HCV) cases over the past decade have raised concerns about subsequent increased cases in infants due to mother to child transmission (MTCT). Many are reminded of the early days of HIV and the rationale for using antiretroviral agents during pregnancy. RECENT FINDINGS: Direct-acting antivirals (DAAs) that are highly potent, all-oral, short-duration regimens that cure HCV have led many to consider what it would entail to use DAAs for pregnant women...
April 2018: Current HIV/AIDS Reports
https://www.readbyqxmd.com/read/29467596/cost-effectiveness-of-antiviral-prophylaxis-during-pregnancy-for-the-prevention-of-perinatal-hepatitis-b-infection-in-south-korea
#11
Donghoon Lee, Hyun-Young Shin, Sang Min Park
Background: In Korea, hepatitis B virus (HBV) infection accounts for approximately 65-75% of HBV-related diseases, such as chronic hepatitis and liver cancer, and mother-to-child transmission is presumed to be a major source of the infection. To tackle this issue, the Korean government launched the national Perinatal Hepatitis B Prevention Program (PHBPP) in 2002. This study analyzed the cost-effectiveness of the PHBPP with antiviral prophylaxis compared with the current PHBPP and/or universal vaccination, as well as identified the optimal strategy to eliminate mother-to-child transmission of HBV in Korea...
2018: Cost Effectiveness and Resource Allocation: C/E
https://www.readbyqxmd.com/read/29427495/hepatitis-b-who-and-when-to-treat
#12
REVIEW
Jiannis Vlachogiannakos, George V Papatheodoridis
As current treatment options almost never achieve eradication of hepatitis B virus (HBV), the most realistic goal for HBV treatment is persistent inhibition of viral replication and ALT normalization. Thus, the decision to start treatment should be based on careful patient selection and individualized decisions. Treatment is generally indicated in chronic hepatitis B patients with HBV DNA >2000 IU/mL, elevated ALT and/or at least moderate histological lesions, while all patients with cirrhosis and detectable HBV DNA should be treated...
February 2018: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/29427490/how-to-control-highly-endemic-hepatitis-b-in-asia
#13
REVIEW
Shan Shan, Fuqian Cui, Jidong Jia
Chronic hepatitis B virus (HBV) infection is an enormous economic and social burden. Asian countries such as Vietnam, Mongolia, Laos, China, the Philippines, South Korea, Singapore and Cambodia have high or high-intermediate HBsAg prevalence. Most of the chronic HBV carriers in this region acquire their infection during early childhood or through mother-to-child transmission (MTCT). Asia has been highly successful in controlling HBV in the last 2 decades. For example, China has adopted a comprehensive strategy to control HBV and has offered universal HBV vaccination to infants since 1992...
February 2018: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/29330989/hepatitis-b-and-hepatitis-c-virus-in-women-with-first-pregnancy
#14
Shandana Mustafa Jadoon, Muhammad Adeel, Shaheen Aslam, Ahsan Rasool
BACKGROUND: Hepatitis B and Hepatitis C are amongst the leading causes of morbidity and mortality in pregnant women throughout the globe. This study is aimed at determining the frequency of these infections among primigravid females and the common factors that make them prone to these infections. METHODS: This cross-sectional study was conducted at Ayub Teaching Hospital, Abbottabad from December 2015 to May 2016. A total of 174 jaundiced primigravida patients were included in the study through non-probability consecutive sampling...
October 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/29286012/hepatitis-a-b-c-and-hiv-seroprevalence-among-syrian-refugee-children-admitted-to-outpatient-clinics
#15
Şükran Köse, Ilker Ödemiş, Didem Çelik, Bengü Gireniz Tatar, Ilkay Akbulut, Dilek Yilmaz Çiftdoğan
Viral hepatitis is the most common cause of serious health problems such as liver cirrhosis and hepatocellular carcinoma (HCC). Leading to immunodeficiency disorders through different mechanisms, Human Immunodeficiency Virus (HIV) causes the development of severe secondary infections. Hepatitis A (HAV) is thought to spread by the faecal-oral route, while Hepatitis B (HBV), Hepatitis C (HCV) and HIV are mostly transmitted vertically during childhood. In our study, we aimed to determine the seroprevalence of HAV, HBV, HCV and HIV among Syrian refugee children who were admitted to outpatient clinics...
December 1, 2017: Le Infezioni in Medicina
https://www.readbyqxmd.com/read/29227001/antiviral-therapy-for-hepatitis-b-virus-during-second-pregnancies
#16
Yasuhiro Wakano, Tokio Sugiura, Takeshi Endo, Koichi Ito, Mitsuyoshi Suzuki, Hitoshi Tajiri, Yasuhito Tanaka, Shinji Saitoh
Mother-to-child transmission of the hepatitis B virus (HBV) is a major concern for infected mothers, especially after their first child has become an HBV carrier despite immunoprophylaxis. Eight mothers whose first child had become an HBV carrier despite immunoprophylaxis were referred for antiviral therapy during the subsequent pregnancy. All pregnant women were seropositive for both the hepatitis B surface antigen and hepatitis B e antigen. In the treatment group (three receiving lamivudine and two receiving tenofovir), mother-to-child transmission of the HBV was successfully prevented in all infants (5/5)...
March 2018: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/29225131/role-of-tenofovir-alafenamide-taf-in-the-treatment-and-prophylaxis-of-hiv-and-hbv-infections
#17
REVIEW
Erik De Clercq
Tenofovir (TFV) is the cornerstone of the treatment and prophylaxis of HIV infections. It has been routinely used in its prodrug form TDF (tenofovir disoproxil fumarate) combined with emtricitabine ((-)FTC) and other antiretroviral agents. TDF has now been replaced by TAF (tenofovir alafenamide) which allows better uptake by the lymphoid tissue. In combination with elvitegravir (E), cobicistat (C), emtricitabine (F), TAF can be advocated as an STR (single tablet regimen, Genvoya®) for the treatment of HIV infections...
December 7, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29193547/safety-and-efficacy-of-telbivudine-in-late-pregnancy-to-prevent-mother-to-child-transmission-of-hepatitis-b-virus-a-multicenter-prospective-cohort-study
#18
Y Hu, C Xu, B Xu, L Hu, Q Liu, J Chen, J Liu, L Liu, J Yang, T Chen, J Wen, N Jiang, Y Zhang, M Cao, J Feng, X Lin, Z Wang, B Xu, Y-H Zhou
Infection of hepatitis B virus (HBV) occurs in ~10% of infants of HBV-infected mothers with positive hepatitis B e antigen (HBeAg) after immunoprophylaxis. We aimed to evaluate the safety and efficacy of telbivudine used during late pregnancy for preventing mother-to-child transmission of HBV. We conducted a multicenter prospective cohort study in 5 hospitals from 2012 to 2014, which enrolled HBV-infected singleton pregnant women with positive HBeAg. By their choice, women were divided into therapy (telbivudine 600 mg/day, from gestation 28-32 weeks to 3-4 weeks postpartum) and control (no antiviral agent) groups...
April 2018: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/29185251/ultrasound-indications-for-maternal-storch-testing-in-pregnancy
#19
Cora Alexandra Voekt, Therese Rinderknecht, Hans Hellmuth Hirsch, Annette Blaich, Irene Mathilde Hösli
AIMS OF THE STUDY: Fetal abnormalities found on ultrasonography lead to a variety of diagnostic procedures, including a panel of serologies to detect possible maternal STORCH infections encompassing syphilis, Toxoplasma gondii, rubella, cytomegalovirus, herpes simplex, and others (human immunodeficiency virus, hepatitis B and C, parvovirus B19, enterovirus, varicella zoster, and Leptospira interrogans). The value of indiscriminate testing for infections upon the detection of fetal ultrasound abnormalities has been questioned...
November 29, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/29181424/comparative-effectiveness-of-prophylactic-strategies-for-perinatal-transmission-of-hepatitis-b-virus-a-network-meta-analysis-of-randomized-controlled-trials
#20
Zhi-Xian Chen, Xun Zhuang, Xiao-Hong Zhu, Yan-Li Hao, Gui-Fang Gu, Meng-Zhi Cai, Gang Qin
Background: Perinatal transmission is the main route of hepatitis B virus (HBV) transmission. While several measures have been attempted as means of preventing perinatal HBV transmission, the optimal strategy remains inconclusive. Methods: We conducted a comprehensive search, through December 2016, for randomized controlled trials (RCTs) that compared the following measures among pregnant women with HBV infection: placebo/none, active immunoprophylaxis (hepatitis B vaccine series starting at birth [HBVac]), passive-active immunoprophylaxis (hepatitis B immunoglobulin and vaccine [HBIG+HBVac]), prenatal HBIG administration (HBIG/HBIG+HBVac), and prenatal antiviral therapy (AVT/HBIG+HBVac)...
2017: Open Forum Infectious Diseases
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