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Paper Information

Journal:   GOVARESH JOURNAL   SUMMER 2007 , Volume 12 , Number 2; Page(s) 86 To 91.
 
Paper: 

EFFECT OF VACCINATION AGAINST HEPATITIS B IN CASES WITH ISOLATED ANTI-HBC

 
 
Author(s):  KABIR A.*, KESHVARI MALIHEH, ALAVIAN S.M.
 
* RESEARCHERS INSTITUTE, UNIT 9, NO. 1, 3RD FLOOR, 3RD BAHAR ALLEY, ASHRAFI ISFAHANI HIGHWAY, POONAK SQUARE, TEHRAN, IRAN
 
Abstract: 

Background: 1.3% of people in Iran are positive for anti-HBc antibody. The objective of this study is to determine the rate of seroconversion in those with persistent isolated anti-HBc after vaccination.

Materials and Methods: In a quasi-experimental study, 94 persons with isolated anti-HBc antibody who were referred to Tehran Blood Transfusion Organization between 2002 and 2004 were selected through a convenient sampling. They were given recombinant hepatitis B vaccine on 0, 1 and 6 months. Immunization was defined by anti-HBs antibody titer ³10 mlU/mL, 1-2 months after administration of the last dose. Results: Response to HB vaccination consisted of 28%, 62% and 76% after each injection, respectively. The total response rate was 80% (n=75). Nineteen (20%) persons were negative for anti-HBs even after three doses of HB vaccination. Factors associated with decreased response to vaccination were positive anti-HBe (OR=6.4, P=0.008), history of bloodletting (OR=3.1, P=0.039) and prior history of being HBsAg positive (OR=5.6, P=0.002). Conclusion: Although there were some differences between the response rates after each vaccine injections observed in our study and similar ones, the total response was nearly the same.
 
Keyword(s): HEPATITIS B, RECOMBINANT HEPATITIS B VACCINE, IMMUNOGENECITY, PERSISTENT ISOLATED ANTI-HBC
 
References: 
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