Wednesday, 31st of July 2013 |
J Gastroenterol Hepatol. 2013 Apr 11. doi: 10.1111/jgh.12217. [Epub ahead of print]
Gish RG, Yi DH, Kane S, Clark M, Mangahas M, Baqai S, Winters MA, Proudfoot J, Glenn JS.
Source
Section of Hepatology, Division of GI, Department of Medicine, and Center for Hepatobiliary Disease and Abdominal Transplantation, University of California, San Diego, San Diego, California, 92103.
Abstract below; full text is at http://onlinelibrary.wiley.com/doi/10.1111/jgh.12217/abstract;jsessionid=76E38FC3535A535E7FF7562017255F6C.d04t02
BACKGROUND & AIMS:
With no report on the overall prevalence and ramifications of hepatitis Delta virus (HDV) infection in the U.S. for more than two decades, we assessed characteristics of chronic hepatitis B virus (CHB) patients coinfected with HDV, including clinical presentation, rate of hepatitis C virus (HCV) tri-infection, and HDV viral load.
METHODS:
At California Pacific Medical Center, a retrospective chart review was conducted on all CHB patients.
RESULTS:
Of 1,191 CHB patients, 499 had been tested for HDV, with 42 (8%) determined to be coinfected; half of these were also HCV-infected. Cirrhosis was present in 73% of the coinfected, 80% of the tri-infected, but only 22% of the monoinfected. Twenty-nine patients (69%) were Caucasian non-Hispanic; 10 (24%) were Asians and Pacific Islanders. Of 39 patients for whom HBV DNA quantification at time of HDV presentation was available, 22 (56%) had undetectable levels; four (10%) had levels >100,000 IU/mL.
CONCLUSIONS:
HDV affects individuals of all ages and various ethnic groups. Although HBV viral loads are lower, rates of cirrhosis are higher in coinfected patients, and higher still in the tri-infected. Our data supports revising screening guidelines to advocate for all patients with HBV to be screened for HDV in order to both give the individual patient important information related to the possible need for treatment, and to support the public health goal of reducing transmission by educating HDV-negative patients about the need for protection against superinfection and HDV-infected patients about the need to protect against transmission to others.
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