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Clinical outcomes improve with highly active antiretroviral therapy in vertically HIV type-1-infected children.Resino S, Resino R, Maria Bellón J, Micheloud D, Gutiérrez MD, de José MI, Ramos JT, Fontelos PM, Ciria L, Muñoz-Fernández MA, Laboratorio de Inmuno-Biología Molecular, Hospital General Universitario Gregorio Marañón, Madrid, Spain. sresino.hgugm@salud.madrid.org Background. Use of antiretroviral therapy has resulted in a decrease in morbidity and mortality rates in human immunodeficiency virus type 1 (HIV-1)-infected children.Methods. We performed a retrospective study involving 427 children to determine the effectiveness of different antiretroviral therapy protocols on clinical outcome. The follow-up period was divided into 5 calendar periods (CPs): CP1 (1980-1989), before antiretroviral therapy was administered; CP2 (1990-1993), when monotherapy was administered; CP3 (1994-1996), when combined therapy was administered; CP4 (1997-1998), when </=50% of children were receiving highly active antiretroviral therapy (HAART); and CP5 (1999-2003), when >/=60% of children were receiving HAART.Results. Children experienced a progressive increase in the CD4(+) cell count and decrease in the viral load from 1997 onwards. A lower number of AIDS cases and deaths occurred during CP5 than during the other CPs (P<.01), with a relative risk of an absence of AIDS of >20 and a relative risk of survival of >30. The AIDS rate was >50% in CP1; we observed a very strong decrease to 14% in CP2, to 16% in CP3, to 7% in CP4, and to 2% in CP5. The mortality rates in CP2 and CP3 were >6% and thereafter decreased to 0.5% in CP5. The relative risks for no hospital admission in CP4 and CP5 were >3.5. The total rates of hospital admission in CP1, CP2, and CP3 were >30%; we observed a decrease in CP4 and CP5. The duration of hospitalization decreased during the follow-up period, and it was higher in CP1 (~30 days) than in the other periods.Conclusions. We observed that HAART produces a decrease in adverse clinical outcomes (i.e., hospital admission, AIDS, and death) in children with vertical HIV-1 infection in Madrid, Spain. Published 16 June 2006 in Clin Infect Dis, 43(2): 243-52.
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