Hepatitis B or hepatitis C co-infection in individuals infected with human immunodeficiency virus and effect of anti-tuberculosis drugs on liver function.
Padmapriyadarsini, C.; Chandrabose, J.; Victor, L.; Hanna, L.E.; Arunkumar, N.; Swaminathan, S.
Journal of Postgraduate Medicine; 2006; 52; 92-96.
Abstract: Background: Tuberculosis (TB) and hepatitis are the two common co-infections in patients infected with human immunodeficiency virus (HIV). Anti-tuberculosis treatment (ATT) may have an effect on the liver enzymes in these co-infected HIV patients.
Aims: To determine the prevalence of Hepatitis B and C virus coinfection in HIV infected patients in Tamilnadu and assess effects of anti-tuberculosis drugs on their liver function.
Settings: HIV positive subjects referred to the Tuberculosis Research Centre, Chennai.
Materials and Methods: All HIV infected patients referred to the Tuberculosis Research centre, from March 2000 to May 2004, were screened for Hepatitis B surface antigen (HBsAg) & Hepatitis C virus (HCV) antibodies by enzyme linked immunoabsorbent assay (ELISA). HIV infection was confirmed using two rapid tests and one ELISA. Patients were given either short- course anti-tuberculosis treatment or preventive therapy for tuberculosis, depending on the presence or absence of active TB, if their baseline liver functions were within normal limits. None of these patients were on antiretroviral therapy during the study period.
Statistical Analysis: Paired t-test was used to find the significance between baseline and end of treatment liver enzymes levels, while logistic regression was done for assessing various associations.
Results: Of the 951 HIV-infected patients, 61 patients (6.4%) were HBsAg positive, 20 (2.1%) had demonstrable anti HCV antibodies in their blood. Serial estimation of liver enzymes in 140 HIV patients (81 being co-infected with either HBV or HCV) showed that 95% did not develop any liver toxicity while they were on anti-tuberculosis treatment or prophylaxis.
Conclusions : The prevalence of hepatitis B and C coinfection was fairly high in this largely heterosexually infected population supporting the use of more careful screening for these viruses in HIV positive persons in this region. Anti-tuberculosis therapy as well as TB preventive therapy can be safely employed in HIV and hepatitis coinfected patients, if baseline liver function tests are within normal limits.
Keywords: HIV, Hepatitis B, Hepatitis C, antituberculosis therapy
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