Estimation of the number of injecting drug users attending an outreach syringe-exchange program and infection with human immunodeficiency virus (HIV) and hepatitis C virus: the AjUDE-Brasil project
This study estimated the number of street injecting drug user (IDU) clients of a syringe-exchange program (SEP) who were infected with human immunodeficiency virus (HIV) and hepatitis C virus (HCV). A two-sample capture-recapture method was carried out. The first capture listed all interviewed IDUs...
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| Veröffentlicht in: | Journal of urban health 2003-03, Vol.80 (1), p.106-114 |
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| creator | Caiaffa, Waleska Teixeira Mingoti, Sueli Aparecida Proietti, Fernando A Carneiro-Proietti, Anna Bárbara Silva, Rodrigo Carazolli Lopes, Aline Cristine Souza Doneda, Denise |
| description | This study estimated the number of street injecting drug user (IDU) clients of a syringe-exchange program (SEP) who were infected with human immunodeficiency virus (HIV) and hepatitis C virus (HCV). A two-sample capture-recapture method was carried out. The first capture listed all interviewed IDUs outreached for syringe exchange from April 1 to May 1, 1998; the second capture involved those outreached from May 2 to June 6, 1998. Blood spots were collected for HIV and HCV serologies. Analysis used captured probability model varying with time. We interviewed 55 IDUs in the first capture and 99 in the second; 17 participated in both samples. An estimate of 317 IDUs attending the SEP was obtained (95% confidence interval [CI] 235-467). Based on the overall seroprevalence rates for HIV (47.7%) and HCV (53.1%), it was estimated that 151 IDUs were HIV infected (95% CI 112-223) and 168 (95% CI 125-248) were HCV infected. Enumeration of IDUs associated with estimates of the total number of HIV and HCV seropositives provide a powerful tool for SEPs to help monitor the number of IDUs, to plan for provisions, and to organize the new demands on existing health facilities for HIV and HCV care. |
| doi_str_mv | 10.1093/jurban/jtg106 |
| format | Article |
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A two-sample capture-recapture method was carried out. The first capture listed all interviewed IDUs outreached for syringe exchange from April 1 to May 1, 1998; the second capture involved those outreached from May 2 to June 6, 1998. Blood spots were collected for HIV and HCV serologies. Analysis used captured probability model varying with time. We interviewed 55 IDUs in the first capture and 99 in the second; 17 participated in both samples. An estimate of 317 IDUs attending the SEP was obtained (95% confidence interval [CI] 235-467). Based on the overall seroprevalence rates for HIV (47.7%) and HCV (53.1%), it was estimated that 151 IDUs were HIV infected (95% CI 112-223) and 168 (95% CI 125-248) were HCV infected. Enumeration of IDUs associated with estimates of the total number of HIV and HCV seropositives provide a powerful tool for SEPs to help monitor the number of IDUs, to plan for provisions, and to organize the new demands on existing health facilities for HIV and HCV care.</description><identifier>ISSN: 1099-3460</identifier><identifier>EISSN: 1471-8505</identifier><identifier>EISSN: 1468-2869</identifier><identifier>DOI: 10.1093/jurban/jtg106</identifier><identifier>PMID: 12612100</identifier><language>eng</language><publisher>United States: Springer Nature B.V</publisher><subject>Adult ; Blood-Borne Pathogens ; Brazil - epidemiology ; Confidence intervals ; Cross-Sectional Studies ; Enzyme-Linked Immunosorbent Assay ; Health Knowledge, Attitudes, Practice ; Hepatitis ; Hepatitis C - epidemiology ; Hepatitis C - immunology ; Hepatitis C - prevention & control ; Hepatitis C Antibodies - analysis ; HIV ; HIV Antibodies - analysis ; HIV Infections - epidemiology ; HIV Infections - immunology ; HIV Infections - prevention & control ; Human immunodeficiency virus ; Humans ; Male ; Middle Aged ; Needle Sharing - adverse effects ; Needle-Exchange Programs - utilization ; Risk-Taking ; Seroepidemiologic Studies ; Substance Abuse, Intravenous - epidemiology ; Substance Abuse, Intravenous - virology ; Substance-Related Disorders - epidemiology ; Substance-Related Disorders - virology ; Surveys and Questionnaires ; Urban Health</subject><ispartof>Journal of urban health, 2003-03, Vol.80 (1), p.106-114</ispartof><rights>The New York Academy of Medicine 2003</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c410t-f54bdcb2fc397b1615a20da8645fab5f88eefdd654f2181b924331a78e9364a63</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/12612100$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Caiaffa, Waleska Teixeira</creatorcontrib><creatorcontrib>Mingoti, Sueli Aparecida</creatorcontrib><creatorcontrib>Proietti, Fernando A</creatorcontrib><creatorcontrib>Carneiro-Proietti, Anna Bárbara</creatorcontrib><creatorcontrib>Silva, Rodrigo Carazolli</creatorcontrib><creatorcontrib>Lopes, Aline Cristine Souza</creatorcontrib><creatorcontrib>Doneda, Denise</creatorcontrib><title>Estimation of the number of injecting drug users attending an outreach syringe-exchange program and infection with human immunodeficiency virus (HIV) and hepatitis C virus: the AjUDE-Brasil project</title><title>Journal of urban health</title><addtitle>J Urban Health</addtitle><description>This study estimated the number of street injecting drug user (IDU) clients of a syringe-exchange program (SEP) who were infected with human immunodeficiency virus (HIV) and hepatitis C virus (HCV). 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A two-sample capture-recapture method was carried out. The first capture listed all interviewed IDUs outreached for syringe exchange from April 1 to May 1, 1998; the second capture involved those outreached from May 2 to June 6, 1998. Blood spots were collected for HIV and HCV serologies. Analysis used captured probability model varying with time. We interviewed 55 IDUs in the first capture and 99 in the second; 17 participated in both samples. An estimate of 317 IDUs attending the SEP was obtained (95% confidence interval [CI] 235-467). Based on the overall seroprevalence rates for HIV (47.7%) and HCV (53.1%), it was estimated that 151 IDUs were HIV infected (95% CI 112-223) and 168 (95% CI 125-248) were HCV infected. Enumeration of IDUs associated with estimates of the total number of HIV and HCV seropositives provide a powerful tool for SEPs to help monitor the number of IDUs, to plan for provisions, and to organize the new demands on existing health facilities for HIV and HCV care.</abstract><cop>United States</cop><pub>Springer Nature B.V</pub><pmid>12612100</pmid><doi>10.1093/jurban/jtg106</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1099-3460 |
| ispartof | Journal of urban health, 2003-03, Vol.80 (1), p.106-114 |
| issn | 1099-3460 1471-8505 1468-2869 |
| language | eng |
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| source | MEDLINE; Alma/SFX Local Collection; SpringerLink Journals - AutoHoldings |
| subjects | Adult Blood-Borne Pathogens Brazil - epidemiology Confidence intervals Cross-Sectional Studies Enzyme-Linked Immunosorbent Assay Health Knowledge, Attitudes, Practice Hepatitis Hepatitis C - epidemiology Hepatitis C - immunology Hepatitis C - prevention & control Hepatitis C Antibodies - analysis HIV HIV Antibodies - analysis HIV Infections - epidemiology HIV Infections - immunology HIV Infections - prevention & control Human immunodeficiency virus Humans Male Middle Aged Needle Sharing - adverse effects Needle-Exchange Programs - utilization Risk-Taking Seroepidemiologic Studies Substance Abuse, Intravenous - epidemiology Substance Abuse, Intravenous - virology Substance-Related Disorders - epidemiology Substance-Related Disorders - virology Surveys and Questionnaires Urban Health |
| title | Estimation of the number of injecting drug users attending an outreach syringe-exchange program and infection with human immunodeficiency virus (HIV) and hepatitis C virus: the AjUDE-Brasil project |
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