Introduction of human immunodeficiency virus infection among parenteral drug abusers in Sardinia: a seroepidemiologic study.
Introduction of human immunodeficiency virus infection among parenteral drug abusers in Sardinia: a seroepidemiologic study.
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撒丁岛肠外药物滥用者中人类免疫缺陷病毒感染的介绍:一项血清流行病学研究。
DOI:
10.1093/oxfordjournals.aje.a114924
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发表时间:
1988
影响因子:
5
通讯作者:
Balestrieri,A
中科院分区:
文献类型:
--
作者:
Farci,P;Novick,DM;Lai,ME;Orgiana,G;Strazzera,A;Beatrice,ST;DesJarlais,DC;Balestrieri,A
MATERIALS AND METHODSBetween January 1978 and December 1986, 965 consecutive individual parenteral drug abusere had medical evaluations (6) and referrals for methadone maintenance treatment at the Department of Internal Medicine of the University of Cagliari (Sardinia, Italy). All patients abusing drugs parenterally were eligible for evaluation. Fewer patients were seen from 1982 to 1986 due to the opening in 1982 of a second center for treatment of parenteral drug abusere. The second treatment center was similar to our facility in most respects but was not affiliated with the University. Patients were free to select either center. At each visit, sera were obtained from each patient and stored at-20 C. Anti-HIV was determined retrospectively in sera collected from 1978-1984; starting in 1985 it was determined prospectively. Anti-HIV was determined by enzyme-Linked immunoassay (ELISA) using commercial kits (Abbott Laboratories, North Chicago, IL). The assay was done in duplicate. An ELISA was considered positive only if it was reactive on two separate occasions. All samples positive by ELISA were sent for Western blot testing under code to the Retrovirology Laboratory of the New York City Department of Health. The method was that of Tsang et al.(7), and the Western blot was considered reactive if bands were visible at any two of the following three regions: p24, gp41, and gpl20. Patients with reactive Western blots are considered seropositive for anti-HIV. The Student t test and the chi-square