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      Sero-Prevalence, Infectivity, and Associated Risk Factors of Hepatitis B Virus Among Pregnant Women Attending Antenatal Care in Sankura Primary Hospital, Silte Zone, Southern Ethiopia, 2021

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          Abstract

          Background:

          Hepatitis B (HBV) infection causes a major public health problem around the globe. Therefore, this study aimed to assess the Seroprevalence, infectivity, and associated factors of hepatitis B virus infection among pregnant women attending antenatal care in Sankura Primary Hospital, Southern Ethiopia.

          Methods:

          A cross-sectional study design was conducted in Sankura Primary Hospital, Southern Ethiopia, from April to June 2020. A total of 338 pregnant women were recruited using systematic random sampling. Sociodemographic and associated risk factors were collected through a structured questionnaire. Blood samples and plasma analysis were performed for the presence of hepatitis B surface antigen (HBsAg) and hepatitis B envelope antigen (HBeAg) using the rapid test strip method. Statistical analysis was done using SPSS version 20, and P-value < 0.05 was considered statistically significant.

          Results:

          The overall Seroprevalence of HBsAg was 11 (3.3%) [95% CI 1.5% - 5.0%], of whom 2 (18.2%) were positive for HBeAg. In multivariate analysis, a history of blood transfusion [AOR=4.8 95% CI (1.25-6.69)] and contact with a family history of the liver [AOR=5.7 95% CI (1.28-7.9)] was found to be significant predictors of HBV infections.

          Conclusion:

          The Seroprevalence of HBV infection among pregnant women in the study area was intermediate. Family history of liver disease and blood transfusion were risk factors associated with HBV infection. Hence, improving the screening of blood, increasing awareness about the transmission of HBV infection, and screening pregnant women for HBV infection should be implemented. The government will build efficient service delivery models equipped with an appropriate and well-trained workforce.

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          Most cited references27

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          Molecular biology of hepatitis B virus infection.

          Human hepatitis B virus (HBV) is the prototype of a family of small DNA viruses that productively infect hepatocytes, the major cell of the liver, and replicate by reverse transcription of a terminally redundant viral RNA, the pregenome. Upon infection, the circular, partially double-stranded virion DNA is converted in the nucleus to a covalently closed circular DNA (cccDNA) that assembles into a minichromosome, the template for viral mRNA synthesis. Infection of hepatocytes is non-cytopathic. Infection of the liver may be either transient (<6 months) or chronic and lifelong, depending on the ability of the host immune response to clear the infection. Chronic infections can cause immune-mediated liver damage progressing to cirrhosis and hepatocellular carcinoma (HCC). The mechanisms of carcinogenesis are unclear. Antiviral therapies with nucleoside analog inhibitors of viral DNA synthesis delay sequelae, but cannot cure HBV infections due to the persistence of cccDNA in hepatocytes.
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            Hepatitis B virus epidemiology, disease burden, treatment, and current and emerging prevention and control measures.

            D Lavanchy (2004)
            Hepatitis B virus (HBV) infection is a serious global health problem, with 2 billion people infected worldwide, and 350 million suffering from chronic HBV infection. The 10th leading cause of death worldwide, HBV infections result in 500 000 to 1.2 million deaths per year caused by chronic hepatitis, cirrhosis, and hepatocellular carcinoma; the last accounts for 320 000 deaths per year. In Western countries, the disease is relatively rare and acquired primarily in adulthood, whereas in Asia and most of Africa, chronic HBV infection is common and usually acquired perinatally or in childhood. More efficacious treatments, mass immunization programs, and safe injection techniques are essential for eliminating HBV infection and reducing global HBV-related morbidity and mortality. Safe and effective vaccines against HBV infection have been available since 1982. The implementation of mass immunization programs, which have been recommended by the World Health Organization since 1991, have dramatically decreased the incidence of HBV infection among infants, children, and adolescents in many countries. However, not all countries have adopted these recommendations and there remains a large number of persons that were infected with HBV prior to the implementation of immunization programs. Antiviral treatment is the only way to reduce morbidity and mortality from chronic HBV infection. Conventional interferon alfa and lamivudine have been the primary treatments to date. Conventional interferon alfa produces a durable response in a moderate proportion of patients but has undesirable side-effects and must be administered subcutaneously three times per week. Lamivudine also produces a response in a modest proportion of patients and causes few side-effects. However, prolonged treatment is often necessary to prevent relapse on cessation of therapy, and continuous treatment can lead to the development of lamivudine resistance. Promising emerging new treatments include adefovir, entecavir and peginterferon alfa-2a (40 kDa).
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              Acute liver failure.

              Acute liver failure is a rare disorder with high mortality and resource cost. In the developing world, viral causes predominate, with hepatitis E infection recognised as a common cause in many countries. In the USA and much of western Europe, the incidence of virally induced disease has declined substantially in the past few years, with most cases now arising from drug-induced liver injury, often from paracetamol. However, a large proportion of cases are of unknown origin. Acute liver failure can be associated with rapidly progressive multiorgan failure and devastating complications; however, outcomes have been improved by use of emergency liver transplantation. An evidence base for practice is emerging for supportive care, and a better understanding of the pathophysiology of the disorder, especially in relation to hepatic encephalopathy, will probably soon lead to further improvements in survival rates. Copyright 2010 Elsevier Ltd. All rights reserved.
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                Author and article information

                Journal
                The Open Microbiology Journal
                TOMICROJ
                Bentham Science Publishers Ltd.
                1874-2858
                July 20 2022
                July 20 2022
                : 16
                : 1
                Article
                10.2174/18742858-v16-e2206030
                edfe8947-4f2f-47d9-a7d1-1cf32542648d
                © 2022

                Free to read

                https://creativecommons.org/licenses/by/4.0/legalcode

                History

                Medicine,Chemistry,Life sciences
                Medicine, Chemistry, Life sciences

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