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HBV
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Overview of the Epidemiology of Hepatotropic Viruses
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Global Prevalence of Hepatitis B Infection
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F A, B C, D F A D D D D D E A C C Bj Ba F A, B, C, D H Fung et al.: Hepatology 2004 HBV genotypes
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Routes of HBV Transmission Vary Depending on Prevalence of Infection
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Hepatitis B immunization 1984 - I programm of common hepatitis B vaccination in Taiwan 2006 - 68% reducing risk of deaths due to HF in children 75% decrease of the rate of HCC 1991 – recommendation of common hepatitis B vaccination 2003 - 155 countries had introduced hepatitis B vaccination 2008 – 177 countries had introduced hepatitis B vaccination szczepień p/wzw B Chien Y.C. i wsp. Epidemiol. Rev. 2006
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HBV Immunization is Associated With a Reduction in Cases Of Acute Hepatitis B in the United States
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Benefis of Hepatitis B Vaccination
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Immunization Strategy to Eliminate Hepatitis B Virus (HBV)
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Adults Who Should Receive Hepatitis B Vaccination (1)
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Adults Who Should Receive Hepatitis B Vaccination (2)
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Adults Who Should Receive Hepatitis B Vaccination (3)
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Worldwide, HBV is a Major Contributor to Death From Cirrhosis and Hepatocellular Carcinoma
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In the United States, Hepatitis B is a Less Common Cause of Cirrhosis and Hepatocellular Carcinoma
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How to Screen for Hepatitis B Infection?
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Who Should Be Screened for HBV Infection? CDC Screening Recommendations (1)
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Who Should Be Screened for HBV Infection? CDC Screening Recommendations (2)
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Who Should Be Screened for HBV Infection? CDC Screening Recommendations (3)
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Summary
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Serological Tests for Hepatitis B and Their Interpretation
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Interpretation of HBV Serological Markers
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acute hepatitis chronic hepatitis liver cirrhosis death liver failure (ESLD) >30% patients with CHB 2 >90% children <5% adults 23% patients with liver cirrhosis HCC Liver transplantation 1. Fattovich G et al. Hepatology 1995 2. Ikeda K et al. J Hepatol 1998. HBV natural history 5-10% patients with CHB
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Acute HBV infection
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Outcomes of Acute HBV Infection Vary by Age of Exposure
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Risk of HBV Chronic Infection Varies by Age at Time of Infection
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Five-Year Complication Rate in Chronic HBV Infection
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Factors Associated With Risk of Cirrhosis in Patients With Chronic HBV
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HBV DNA Testing
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High HBV DNA Levels Associated with Risk of Cirrhosis and HCC
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Summary
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Algorithm to Identify Treatment Candidates
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Reactivation of Hepatitis B: Definition
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HBV Reactivation Occurs in Different Situations
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Patients on Immunosuppressive Therapy
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HCV
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Hepatitis C 170-200 milion infected 3% of world population mortality will increase 2-3 Times during follow 10-20 years Europe 7,3-8,8 mln infected deaths – 86.000 annually the main reason of liver transplantation Uwe Siebert, Nicolai Muhlberger, Stefan Zeuzem 2008 Hepatitis C WHO 2002; HO/CDS/CSR/LYO/2003 Report WHO 2000
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Global Hepatitis C Burden is Large and Highest in Asia and Africa
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Hepatitis C Poland 4%? 14 435 examined volunteers 1000 hospitalyzed children 320 diabetics Poland 1,9%? 496/26 057 addmitted to hospital 72% HIV infected c(n=278) 12% hemodialyzed (n=13 680) 7,25% prisoners (n=1860) 0,4% pregnant women (n=1600) Tyczyńska-Hoffmann. Hepatol. Pol., 1996 Muszyńska. Med. Sci. Monitor, 2002 Bielawski i wsp. Arch. Med. Res., 2000 Grąbczewska, HIV&AIDS Rev., 2003 Durlik, 2008
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Hepatitis C Virus Has Multiple Genotypes Which Affect Treatment Choice and Therapeutic Response
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Potential Consequences of Hepatitis C
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Unsafe Injections Are the Major Risks for HCV Transmission
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Other Exposures Are Associated with Transmission of HCV
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The Tip of the Iceberg
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CDC Recommendations for HCV Testing Are Based on Birth Cohort, Risk, and Medical Indications
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Diagnostic Tests: Anti-HCV
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Diagnostic Tests: HCV RNA
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Diagnosis of HCV: Requires Both Anti-HCV (Antibody) and HCV RNA (Viral Load)
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Acute HCV Infection
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Acute HCV infection
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Factors Associated with Higher Rates of Spontaneous Clearance of HCV
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Extrahepatic Manifestations of HCV
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Hepatitis C Virus Infection: Natural History
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Risk Factors Associated with Faster Fibrosis Progression in Chronic HCV
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Hepatitis C and Alcohol
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Recommended Baseline Studies in Persons with Chronic HCV Infection
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Summary
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All Patients with HCV Should Be Considered for Treatment Based on Individual Risk/Benefit
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Benefit of HCV Eradication (SVR)
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