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Am J Gastroenterol 1997 Dec;92(12):2232-2236

Determination of hepatitis delta virus (HDV)-RNA in asymptomatic cases of HDV infection.

Sakugawa H, Nakasone H, Kawakami Y, Adaniya H, Mizushima T, Nakayoshi T, Kinjo F, Saito A, Zukeran H, Miyagi Y, Yakabi S, Taira M, Kinoshita M, Yamakawa Y

OBJECTIVES:

To assess the frequency of hepatitis delta virus (HDV) viremia in asymptomatic cases of HDV infection and the clinical significance of the HDV viremia, we conducted a cross-sectional, community-based study.

METHODS:

Of 2207 examinees, 210 (9.5%) were found to be positive for Hepatitis B surface antigen (HBsAg). Antibody to HDV was detected in 47 (22.4%) of the 210 examinees, and 43 of the 47 were further evaluated for serum HDV-RNA by polymerase chain reaction.

RESULTS:

Twenty-one (48.8%) of the 43 had detectable levels of HDV-RNA in serum, and 22 (51.2%) were negative for serum HDV-RNA. The majority (61.9%) of the HDV-RNA-positive HBsAg carriers had high levels of serum ALT. In contrast, the frequency of an abnormally high level of serum ALT was only 9.1% in the HBsAg carriers positive for HDV antibody but negative for HDV-RNA, and the frequency did not differ from that seen in the HBsAg-negative individuals. The semiquantified HDV-RNA levels did not correlate with the serum ALT levels.

CONCLUSION:

Seropositivity of HDV-RNA was strongly associated with liver cell damage, even in asymptomatic cases. The absence of a detectable level of serum HDV-RNA might be related to previous HDV infection.

PMID: 9399760, UI: 98060681

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