Enfermedades infecciosas y microbiologia clinica · 2005
[Changing trends in HIV epidemics: recent diagnoses in the Spanish VACH cohort (2000-2002)].
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Teira Ramón, Suárez-Lozano Ignacio, Muñoz Pepa, Viciana Pompeyo, Lozano Fernando, Galindo María J, Terrón Alberto, Vergara Antonio, Geijo Paloma, Arribas José R, Cosín Jaime, Domingo Pere, Ribera Esteban, Roca Bernardino, García-Alcalde M Luisa, Sánchez Trinitario, Muñoz-Sanz Agustín
Аннотация
BACKGROUND: Studying the changing trends of HIV epidemics is a useful means of evaluating the results of current preventive plans as well as of defining future needs and objectives.
METHODS: We performed a cross-sectional study of the newly-diagnosed cases of HIV infection included in the Spanish VACH cohort. New HIV cases were defined as those diagnosed between January 2001 and December 2002. Their epidemiologic characteristics were compared with those of patients included in the same cohort who had been diagnosed between January 1998 and December 2000.
RESULTS: We studied 603 new cases (27% women). In 146 (24.4%) HIV infection had been acquired by sharing material for intravenous drug use (IVDU), 171 (28,6%) were men who had had sex with other men (MSM) and 247 (41.3%) acknowledged some risk for heterosexual HIV transmission. The median age was 36 years (range: 18-80). Only 1.5% of the patients were younger than 20 years while 32.1% were older than 40 years. This percentage was significantly higher than that corresponding to 1998-2000 (27.5%; p < 0,05). HIV infection was diagnosed simultaneously with an AIDS-defining condition in 13.3% of patients and an AIDS-defining disease was diagnosed in the first month after HIV-diagnosis in another 40 patients (6.6%).
CONCLUSIONS: We confirm the trends observed in previous studies: a growing proportion of newly diagnosed cases among women, a decreasing proportion of IVDU, a growth of MSM, and a trend toward diagnosis at a later age.
METHODS: We performed a cross-sectional study of the newly-diagnosed cases of HIV infection included in the Spanish VACH cohort. New HIV cases were defined as those diagnosed between January 2001 and December 2002. Their epidemiologic characteristics were compared with those of patients included in the same cohort who had been diagnosed between January 1998 and December 2000.
RESULTS: We studied 603 new cases (27% women). In 146 (24.4%) HIV infection had been acquired by sharing material for intravenous drug use (IVDU), 171 (28,6%) were men who had had sex with other men (MSM) and 247 (41.3%) acknowledged some risk for heterosexual HIV transmission. The median age was 36 years (range: 18-80). Only 1.5% of the patients were younger than 20 years while 32.1% were older than 40 years. This percentage was significantly higher than that corresponding to 1998-2000 (27.5%; p < 0,05). HIV infection was diagnosed simultaneously with an AIDS-defining condition in 13.3% of patients and an AIDS-defining disease was diagnosed in the first month after HIV-diagnosis in another 40 patients (6.6%).
CONCLUSIONS: We confirm the trends observed in previous studies: a growing proportion of newly diagnosed cases among women, a decreasing proportion of IVDU, a growth of MSM, and a trend toward diagnosis at a later age.