Predictors of immunological failure and determinants of suboptimal CD4 testing among adults with HIV on first-line antiretroviral therapy in Andhra Pradesh, India, 2008-2011

Transactions of the Royal Society of Tropical Medicine and Hygiene
Ramesh Reddy AllamSanjay Mehendale

Abstract

Failure of first-line antiretroviral therapy (ART) results in high morbidity and mortality. We identified the predictors of immunological failure and suboptimal CD4 testing among adult people living with HIV (PLHIV) initiated on first-line ART. The cohort of PLHIV aged ≥ 15 years initiated on first-line ART in Hyderabad city, Andhra Pradesh state, in 2008 was followed-up until 31 December 2011 or until death and/or lost to follow-up (LFU). We estimated cumulative incidence of immunological failure. We explored socio-demographic, clinical, pharmacological and immunological factors to identify the predictors of immunological failure and determinants of suboptimal CD4 testing (<2 tests/year). Among the 1431 PLHIV, 275 (19.2%) died and 263 (18.4%) were LFU. Of the remaining 893 (62.3%) patients on follow-up, 193 (21.6%) experienced immunological failure; these patients were more likely to be males, illiterate, with a history of pulmonary TB while on ART and taking stavudine-based regimen. Incidence of suboptimal testing ranged between 41 and 60% over 4 years of follow-up. Suboptimal CD4 testing among PLHIV was associated with history of TB prior to initiation of ART and stage 3 and 4 of HIV disease at enrollment. There was low immu...Continue Reading

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Mar 15, 2014·Transactions of the Royal Society of Tropical Medicine and Hygiene·Ramesh Reddy AllamSanjay Mehendale

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