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  • 1
    ISSN: 1279-8509
    Keywords: Hemophilia ; Human immunodeficiency virus (HIV) ; Cohort ; Age ; AIDS ; Death
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract HEMOCO is a multicenter prospective cohort set up in 1989 to monitor 407 French hemophiliacs infected by HIV-1 and recruited in 4 hemophilia treatment centers in the Paris region. As of 15 July 1995, 42% of the patients in the cohort had developed stage B HIV disease and 29% stage C disease (AIDS); 23.1% of the patients had died. The cumulative proportion of patients with AIDS was 4.5% at 5 years and 27.4% at 10 years, while the respective mortality rates were 3.8% and 19.5%. In our study, only age was predictive of AIDS, with an estimated relative risk of 1.2 per 10-year age increment; this factor was also predictive of death. After 10 years of follow-up, 6.1% of the study population had no clinical or laboratory signs of immunodepression. The follow-up protocol in the HEMOCO protocol is the same as that in the French SEROCO study, which includes men infected by HIV-1 through sexual contact. This will allow us to compare the progression of HIV infection between these two exposure groups.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1437-1596
    Keywords: Morphine ; Codeine ; Solid-phase-extraction ; Mixed mode solid-phase extraction ; GC/MS analysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Law
    Notes: Abstract Different procedures of solid-phase extraction were re-examined and a new solid-phase extraction procedure was developed using gas chromatography-mass spectrometry for the simultaneous detection and quantitation of morphine, 6-monoacetylmorphine, codeine and dihydrocodeine in plasma and whole blood. The effects of different types of sorbent and buffer solutions on the recoveries and purity of the extracts were also studied. Some preparation techniques on whole blood samples were also investigated. The method developed using Chromabond C18 (100) with spiked plasma samples had good recoveries for all opiates of interest: morphine 93.1% ± 7.4%, 6-monoacetylmorphine 68.0% ± 6.7%, codeine 77.0% ±8.3% and dihydrocodeine 67.9% ± 8.4%. The detection limit of all compounds was less than 5 μg/L. The blank plasma showed no interfering peaks in the GC/MS-analysis.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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