Update on prevention, diagnosis, and treatment of chronic hepatitis B: AASLD 2018 hepatitis B guidance
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Cites background from "Update on prevention, diagnosis, an..."
...Watchful monitoring with intent of on-demand therapy has been recommended for patients at low risk.(298,299) The risk of HBV reactivation in patients with AIH who are treated with conventional regimens of prednisone or prednisolone in combination with AZA is unknown....
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...(298) Depending on the risk category, a preemptive treatment or monitoring strategy with the intent of ondemand therapy can be developed.(298,299) Prophylactic antiviral therapy, preferably with entecavir or tenofovir, during immunosuppressive treatment and for at least 6 months after treatment (or at least 12 months after treatment with anti-CD20 agents) has been recommended for individuals at high to moderate risk of HBV reactivation....
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...Assessments of serum HBV DNA and HBsAg at intervals of 1-3 months has been suggested by the AASLD....
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...Assessments of serum HBV DNA and HBsAg at intervals of 1-3 months has been suggested by the AASLD.(299) High-dose therapy or the institution of B cell–depleting agents, cytokine antagonists, calcineurin inhibitors, or other immune inhibitory agents may increase the risk of reverse seroconversion; and it is best avoided in these patients....
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...Patients on immunosuppressive agents are at risk for reactivation of HBV infection, and guidelines have been developed recommending routine pretreatment screening of patients for hepatitis B surface antigen (HBsAg) and antibodies to hepatitis B core antigen (anti-HBc).(296-299) Based on the serological profile (HBsAg-positive versus HBsAg-negative/ anti-HBc-positive) and the type, dose, and duration of immunosuppressive therapy, the risk of HBV reactivation during treatment can be estimated as high (≥10%), moderate (1%-10%), and low (<1%)....
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References
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"Update on prevention, diagnosis, an..." refers methods in this paper
...The AASLD 2018 Practice Guidelines on HCC has been published.((133)) Of the 2 tests prospectively evaluated as screening tools for HCC, alphafetoprotein (AFP) and ultrasonography (US), the sensitivity, specificity, and diagnostic accuracy of US are higher than those of AFP....
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2,696 citations
"Update on prevention, diagnosis, an..." refers background in this paper
...Anti-HBc may be the only marker of HBV infection during the window phase of acute hepatitis B; these persons should test positive for antiHBc immunoglobulin M.((37,38)) iv....
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...Some persons may test positive for anti-HBc, but not HBsAg; they may or may not also have anti-HBs, with the prevalence depending on local endemicity or the risk group.((37,38)) The finding of isolated anti-HBc (anti-HBc positive but negative for HBsAg and antiHBs) can occur for a variety of reasons....
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2,558 citations
"Update on prevention, diagnosis, an..." refers background in this paper
...2% per year.((134)) Using this principle, all patients with cirrhosis warrant screening....
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...For patients without cirrhosis, age, sex, race, and family history determine when surveillance should begin.((134,135)) Other subgroups with a higher risk of HCC include persons with HCV, HDV, or HIV coinfections and those with fatty liver....
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2,552 citations
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...The prevalence of HBsAg varies greatly across countries, with high prevalence of HBsAg-positive persons defined as 8%, intermediate as 2% to 7%, and low as <2%.((21,22)) In developed countries, the prevalence is higher among those who immigrated from high- or intermediate-prevalence countries and in those with high-risk behaviors....
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