Are current screening protocols for chronic hepatitis B virus infection adequate?

被引:17
作者
Mortensen, Eva [1 ,2 ]
Kamali, Amanda [1 ,2 ]
Schirmer, Patricia L. [3 ]
Lucero-Obusan, Cynthia [3 ]
Winston, Carla A. [1 ]
Oda, Gina [3 ]
Winters, Mark A. [1 ,2 ]
Durfee, Janet [3 ]
Martinello, Richard A. [3 ,4 ]
Davey, Victoria J. [3 ]
Holodniy, Mark [1 ,2 ,3 ]
机构
[1] VA Palo Alto Hlth Care Syst, Palo Alto, CA USA
[2] Stanford Univ, Stanford, CA 94305 USA
[3] Dept Vet Affairs, Off Publ Hlth, Washington, DC USA
[4] Yale Univ, Sch Med, New Haven, CT USA
关键词
Epidemiology; Hepatitis B virus (HBV); Serology; Review; Veterans; POLYMERASE-CHAIN-REACTION; CHRONIC LIVER-DISEASE; BLOOD MONONUCLEAR-CELLS; HBSAG-NEGATIVE PATIENTS; OCCULT HBV INFECTION; C-VIRAL GENOMES; REAL-TIME PCR; SURFACE-ANTIGEN; HEPATOCELLULAR-CARCINOMA; CORE ANTIGEN;
D O I
10.1016/j.diagmicrobio.2015.12.005
中图分类号
R51 [传染病];
学科分类号
100401 ;
摘要
Chronic hepatitis B virus (HBV) infection screening usually includes only HBV surface antigen (HBsAg) testing; HBV core and surface antibody (anti-HBc, anti-HBs) assays, indicating resolved infection and immunity, are not routinely performed. Yet, serum HBV DNA is measurable in approximately 10% of HBsAg-negative/anti-HBc-positive cases, representing occult HBV infection (OBI). Patient blood samples from 2 Veterans Affairs medical center look-back investigations were screened for HBV infection using HBsAg enzyme immunoassays. Supplementary testing included anti-HBc and anti-HBs enzyme immunoassays. For anti-HBc-positive samples, HBV DNA testing was performed. Background OBI prevalence was further estimated at these 2 facilities based on HBV serology testing results from 1999-2012. Finally, a literature review was performed to determine OBI prevalence in the published literature. Of 1887 HBsAg-negative cohort patients, 98 (5.2%) were anti-HBc positive/anti-HBs negative; and 175 (9.3%), anti-HBc positive/anti-HBs positive. Six of 273 were HBV DNA positive, representing 0.3% of the total tested and 2.2% who were anti-HBc positive/anti-HBs negative or anti-HBc positive/anti-HBs positive. Among 32,229 general population veterans at these 2 sites who had any HBV testing, 4/108 (3.7%) were HBV DNA positive, none of whom were part of the cohort. In 129 publications with HBsAg-negative patients, 1817/1,209,426 (0.15%) had OBI. However, excluding blood bank studies with greater than 1000 patients, the OBI rate increased to 1800/17,893 (10%). OBI is not rare and has implications for transmission and disease detection. HBsAg testing alone is insufficient for detecting all chronic HBV infections. These findings may impact blood donation, patient HBV screening, follow-up protocols for patients assumed to have cleared the infection, and initiation of immunosuppression in patients with distant or undetected HBV. Published by Elsevier Inc.
引用
收藏
页码:159 / 167
页数:9
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