Analysis of factors determining response to hepatitis B vaccination among hemodialysis patients / Ma. Gina D. Villarama, AntonionB. Cayco
Subject(s): Abstract: Hepatitis B infection is a known complication among hemodialysis (HD) patients, because of their impaired cellular and humoral response and because of increased exposure to blood products. Hepatitis B vaccine is known to be effective in producing protection against hepatitis B virus in HD patients, however the antibody response or seroconversion is variable and very little information is available about the factors contributing to the reduced antibody response to Hepatitis B vaccination. This study attempts to determine the seroconversion rate and to identify factors associated with a positive response to hepatitis B vaccination among HD patients in Makati Medical Center. A retrospective study was done among HD patients at the Kidney Unit of the Makati Medical Center from 1998 to 2002. A total of 32 patients qualified in the study Baseline and post-vaccination anti-HBs antibody tilers were monitored. Age, gender, dose, serum albumin, blood urea nitrogen (BUN), timing of vaccination, concomitant hepatitis C infection and diabetes mellitus (DM) were correlated and developed anti-HBs antibody titer. Ten out of 32 patients seroconverted and developed anti-HBs liters post-vaccination, wilh seroconversion rate of 31.3 percent. Gender, dose, concomitant DM and Hepatitis C infection did not show any correlation with regards to anti-Hbs titer post vaccination. Age showed a trend lo correlate negatively with anti-Hbs tilers. Higher levels of BUN, albumin and longer interval between first dialysis and vaccination all trend lo correlate with higher anti-Hbs tiler. Test of significance of all parameters however failed lo meet p value < 0.05. None of Ihe parameters proved predictive of negative or positive response to vaccination. (Author)| Cover image | Item type | Current library | Home library | Collection | Shelving location | Call number | Materials specified | Vol info | URL | Copy number | Status | Notes | Date due | Barcode | Item holds | Item hold queue priority | Course reserves | |
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DOH Central Library Electronic Resource Section | J000635 (Browse shelf(Opens below)) | Available | D0001J000635 |
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Hepatitis B infection is a known complication among hemodialysis (HD) patients, because of their impaired cellular and humoral response and because of increased exposure to blood products. Hepatitis B vaccine is known to be effective in producing protection against hepatitis B virus in HD patients, however the antibody response or seroconversion is variable and very little information is available about the factors contributing to the reduced antibody response to Hepatitis B vaccination. This study attempts to determine the seroconversion rate and to identify factors associated with a positive response to hepatitis B vaccination among HD patients in Makati Medical Center.
A retrospective study was done among HD patients at the Kidney Unit of the Makati Medical Center from 1998 to 2002. A total of 32 patients qualified in the study Baseline and post-vaccination anti-HBs antibody tilers were monitored. Age, gender, dose, serum albumin, blood urea nitrogen (BUN), timing of vaccination, concomitant hepatitis C infection and diabetes mellitus (DM) were correlated and developed anti-HBs antibody titer.
Ten out of 32 patients seroconverted and developed anti-HBs liters post-vaccination, wilh seroconversion rate of 31.3 percent. Gender, dose, concomitant DM and Hepatitis C infection did not show any correlation with regards to anti-Hbs titer post vaccination. Age showed a trend lo correlate negatively with anti-Hbs tilers. Higher levels of BUN, albumin and longer interval between first dialysis and vaccination all trend lo correlate with higher anti-Hbs tiler. Test of significance of all parameters however failed lo meet p value < 0.05. None of Ihe parameters proved predictive of negative or positive response to vaccination. (Author)
Makati Medical Center Proceedings, 2004 (18) pages 10-15
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