Human immunodeficiency virus (HIV) infection in parenteral drug users: evolution of the epidemic over 10 years. Valencian Epidemiology and Prevention of HIV Disease Study Group

Hernández-Aguado, Ildefonso; Avino, María José; Pérez‐Hoyos, S.; González-Aracil, J; Ruiz-Pérez, Iñaki; Torrella, Ariadna; Hera, Manuela García de la; Belda, F. Javier; Fernández, Esteve; Santos, Camila Alves dos; Trullen, J.M. Pérez; Fenosa, A.

doi:10.1093/ije/28.2.335

Cited by 27 publications

(8 citation statements)

References 13 publications

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“…The HIV incidence in this group is much higher than that observed among a cohort of 1886 IDU attending clinics for drug addiction treatment in Barcelona between 1991 and 1996 (global incidence of 3.66 per 100 PY), 7 and not so different from that observed among a cohort of 1746 IDU who attended at the AIDS Prevention and Information Centers of the Autonomous Region of Valencia (6.85 cases per 100 PY; 95% CI 6.04-7.66). 8 For MSM, the incidence observed in our study was much closer to those observed in other studies performed on repeat testers. McFarland et al reported an HIV incidence of 2.8 per 100 PY among MSM who repeated anonymous HIV testing in San Francisco in 1995.…”

Section: S Pain Has the Second Highest Aids Rate In Europe Aftersupporting

confidence: 90%

Estimation of HIV Incidence among Repeat Anonymous Testers in Catalonia, Spain

Nascimento

Casado²,

Casabona³

et al. 2004

AIDS Research and Human Retroviruses

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A retrospective cohort study of 2124 repeat HIV testers attending at anonymous testing sites (ATS) of Catalonia between 1995 and 2001 registered 3273 person-years (PY) of follow-up and 76 seroconversions (incidence density of 2.32 per 100 PY; 95% CI: 1.83, 2.90). The highest HIV infection incidence was observed among heterosexual injection drug users (IDU) (9.25 per 100 PY; 95% CI: 6.77, 12.25) and the lowest was among heterosexual non-IDU (0.69 per 100 PY; 95% CI: 0.35, 1.24). In multivariate Cox regression, factors independently associated with seroconversion were men having sex with men, IDU, and having sex with a known HIV-infected person. In spite of some limitations, such results suggest that prevention interventions targeting specific groups attending at ATS in Catalonia should be prioritized.

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Section: S Pain Has the Second Highest Aids Rate In Europe Aftersupporting

confidence: 90%

Estimation of HIV Incidence among Repeat Anonymous Testers in Catalonia, Spain

Nascimento

Casado²,

Casabona³

et al. 2004

AIDS Research and Human Retroviruses

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“…HIV prevalence among PWID in this study was a third to a half of what it was in the 1980s and 90s in Spain [11,33], although the overall prevalence was very high (17%), only lower than that found among MSM sex workers. During the study period, these figures remained stable.…”

Section: Discussioncontrasting

confidence: 64%

Trends in HIV testing, prevalence among first-time testers, and incidence in most-at-risk populations in Spain: the EPI-VIH Study, 2000 to 2009

et al. 2014

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“…More information about the cohort can be obtained elsewhere. 9 A soundex code constructed with the date of birth, sex, name and surname initials was used to anonymously identify the individual and link the subjects' tests. Before HIV testing, a personal face-to-face interview was carried out by health professionals where information on different sociodemographic variables and risk practices was collected.…”

Section: Methodsmentioning

confidence: 99%

Trends in HIV testing, serial HIV prevalence and HIV incidence among people attending a Center for AIDS Prevention from 1988 to 2003

Hurtado¹,

Alastrué

Ferreros³

et al. 2006

Sexually Transmitted Infections

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Aim: To analyse trends in HIV testing, serial HIV prevalence and HIV incidence among people who underwent voluntary testing in a Center for AIDS Prevention in Valencia, Spain. Methods: Open cohort study including all subjects who went to the Center for AIDS Prevention from 1988 to 2003. Information on sociodemographic variables and HIV test results was collected. Serial prevalence and incidence rates were calculated, and joinpoint regression was used to identify changes in trends over time.Results: 21 241 subjects were analysed; 67% men, 27% injecting drug users (IDUs), 43% heterosexuals and 13% men who have sex with men (MSM). From 1988 to 1990, IDUs accounted for 57% of clinic attenders, decreasing to 14% by 1997-2003, accompanied by an increase in heterosexuals. Overall, HIV prevalence for the whole period was 15%, dropping from 35% to ,10% after 1999 and to 3% by 2003, when HIV prevalence was 26% in IDUs, 6% in MSM and 2% in heterosexuals. Total HIV incidence was 2.5%. From 1988 to 1990, HIV incidence ranged from 6% to 8%, and a gradual and progressive decline observed from 1990 onwards. From 1995 onwards, HIV incidence was ,2%. The highest incidence rate is seen in IDUs, 7-12% in the first period and 4-5% at the end. Among MSM, a change in the decreasing trend is seen by 1998, and increases in incidence are detected by 2002-3. Conclusions: Serial HIV prevalence has markedly decreased from 1988 in all transmission categories, although it is still high. With regard to HIV incidence, the drop has been marked too, although a worrying increase, that requires further follow-up, has been detected in MSM in the past 2 years.

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Human immunodeficiency virus (HIV) infection in parenteral drug users: evolution of the epidemic over 10 years. Valencian Epidemiology and Prevention of HIV Disease Study Group

Cited by 27 publications

References 13 publications

Estimation of HIV Incidence among Repeat Anonymous Testers in Catalonia, Spain

Estimation of HIV Incidence among Repeat Anonymous Testers in Catalonia, Spain

Trends in HIV testing, prevalence among first-time testers, and incidence in most-at-risk populations in Spain: the EPI-VIH Study, 2000 to 2009

Trends in HIV testing, serial HIV prevalence and HIV incidence among people attending a Center for AIDS Prevention from 1988 to 2003

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