Pathogenesis and clinical implications of HIV-related anemia in 2013

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Abstract
Anemia is a common feature of HIV-related disease and has been uniformly demonstrated to be an independent predictor of morbidity and mortality. Although anemia often responds to combination antiretroviral therapy, many patients remain anemic despite therapy and such persistent anemia continues to negatively affect prognosis regardless of drug response. Anemia is also a common feature of normal aging. We postulate that the pathophysiology of anemia in HIV, especially that which persists in the face of combination antiretroviral therapy, is a reflection of underlying proinflammatory pathways that are also thought to contribute to anemia in the elderly, as well as other age-related chronic diseases such as cardiovascular disease and chronic obstructive pulmonary disease. This suggests that HIV induces inflammatory pathways that are associated with a pattern of accelerated aging and that anemia is a biomarker of these processes. A better understanding of the pathophysiology of HIV-related anemia may provide important entry points for improving the chronic manifestations of HIV-related disease.

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