Hepatitis D overview: Difference between revisions
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Revision as of 17:11, 4 December 2012
Hepatitis D |
Diagnosis |
Treatment |
Hepatitis D overview On the Web |
American Roentgen Ray Society Images of Hepatitis D overview |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Hepatitis D is a disease caused by a small circular RNA virus (Hepatitis delta virus or hepatitis D virus, HDV). HDV is considered to be a subviral satellite because it can propagate only in the presence of another virus, the hepatitis B virus (HBV). Transmission of HDV can occur either via simultaneous infection with HBV (coinfection) or via infection of an individual previously infected with HBV (superinfection). [2] Both superinfection and coinfection with HDV results in more severe complications compared to infection with HBV alone. These complications include a greater likelihood of experiencing liver failure in acute infections and a greater likelihood of developing liver cancer in chronic infections. In combination with hepatitis B virus, hepatitis D has the highest mortality rate of all the hepatitis infections of 20%.