Controlled HIV viral replication, not liver disease severity associated with low bone mineral density in HIV/HCV co-infection.


BACKGROUND & AIMS:To evaluate the prevalence and risk factors for low bone mineral density (BMD) in persons co-infected with HIV and Hepatitis C. METHODS:HIV/HCV co-infected study participants (n=179) were recruited into a prospective cohort and underwent dual-energy X-ray absorptiometry (DXA) within 1 year of a liver biopsy. Fibrosis staging was evaluated according to the METAVIR system. Osteoporosis was defined as a T-score ≤-2.5. Z-scores at the total hip, femoral neck, and lumbar spine were used as the primary outcome variables to assess the association between degree of liver disease, HIV-related variables, and BMD. RESULTS:The population was 65% male, 85% Black with mean age 50.3 years. The prevalence of osteoporosis either at the total hip, femoral neck, or lumbar spine was 28%, with 5% having osteoporosis of the total hip, 6% at the femoral neck, 25% at the spine. The mean Z-scores (standard deviation) were -0.42 (1.01) at the total hip, -0.16 (1.05) at the femoral neck, and -0.82 (1.55) at the lumbar spine. In multivariable models, controlled HIV replication (HIV RNA <400 copies/ml vs. ≥400 copies/ml) was associated with lower Z-scores (mean ± standard error) at the total hip (-0.44 ± 0.17, p = 0.01), femoral neck (-0.59 ± 0.18, p = 0.001), and the spine (-0.98 ± 0.27, p = 0.0005). There was no association between degree of liver fibrosis and Z-score. CONCLUSIONS:Osteoporosis was very common in this population of predominately African-American HIV/HCV co-infected patients, particularly at the spine. Lower BMD was associated with controlled HIV replication, but not liver disease severity.


J Hepatol


Journal of hepatology


El-Maouche D,Mehta SH,Sutcliffe C,Higgins Y,Torbenson MS,Moore RD,Thomas DL,Sulkowski MS,Brown TT




Has Abstract


2011-10-01 00:00:00














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