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  • 1
    ISSN: 1365-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Changes in IgG levels and patterns in association with human immunodeficiency virus, (HIV) infection were characterized in a prospective investigation by studying serum electrophoresis and antibodies to HIV at least once a year in 144 homo/bisexual (HS) men during a 4-year period. Initially, 25 men (17.4%) were HIV-positive, and this increased to 44 at the end of the study period. HIV-negative men had IgG levels of 11.2 ± 2.2 g/l. In the 19 HIV seroconverters the mean IgG level rose with time according to the equation IgG = 0.054×+ 12.56 (x= months after the last HIV-negative test). Oligoclonal IgG bands were found in three of the 19 seroconverters (16%) prior to conversion and in 2/16 (13%), 5/13 (38%), 7/11 (64%), and 3/8 (38%) 1,2, 3, and 4 years after conversion, respectively. Of the 25 initially HIV-positive men, five have developed acquired immunodeficiency syndrome (AIDS) during the 4.5 year follow-up. At the first investigation these five men had higher mean IgG levels (16.0 ± 2.7 g/l) than the 20 men who have remained healthy (14.6 ± 2.8 g/l), and all live had oligoclonal bands as compared to 9/20 of those who did not develop AIDS. Oligoclonal IgG bands reflect the IgG increase and seem to indciate long-standing HIV infection and a poor prognosis.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    European journal of clinical microbiology & infectious diseases 8 (1989), S. 778-782 
    ISSN: 1435-4373
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A commercial EIA (Chlamydiazyme) for detection ofChlamydia trachomatis was evaluated in comparison to culture using genital specimens from 472 men and 279 women. The sensitivity of the EIA compared with culture was 66.0% in men and 71.4% in women, while the specificity was 99.7% and 95.9% respectively. The EIA failed more often to detect chlamydial antigen when the number of inclusion bodies found in the corresponding cultures was ⩽ 100/well. A direct test (MicroTrak) was performed on the EIA samples which showed discordant results compared to corresponding cultures. One of 17 EIA positive samples, and 12 of 36 EIA negative samples were positive in the direct test (p〈0.05). A cut-off absorbance value of 0.1 is recommended by the manufacturer in the EIA. However, 84.2% of the EIA negative samples in the negative absorbance interval 0.05–0.099 corresponded with a positive culture. In view of variations in the sensitivity of the culture technique between laboratories and the low sensitivity of the EIA found in this study, it is recommended that each laboratory using the EIA compare it to culture. It is also recommended that an equivocal zone around the cut-off value be used in the EIA, the zone to be established by each laboratory using the test.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    European journal of clinical microbiology & infectious diseases 12 (1993), S. 971-972 
    ISSN: 1435-4373
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    European journal of clinical microbiology & infectious diseases 12 (1993), S. 447-449 
    ISSN: 1435-4373
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The performance of a commercial EIA (Chlamydiazyme) for detection ofChlamydia trachomatis in urine specimens was compared with that of culture of urethral samples from men with urethritis. The incidence of chlamydial infection on the basis of culture results was 34 % (56/167). The sensitivity, specificity, positive and negative predictive values for the EIA were 55 % (31/56), 98 % (109/111), 94 % (31/33) and 81 % (109/134), respectively, compared with culture. Although this EIA has a high specificity, the low sensitivity makes it valueless as a clinical tool for demonstrating chlamydial antigen in urine from men with urethritis.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1439-0973
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung In einer systematischen Studie über die Dosis-Wirk-Beziehung wurden an 883 Patienten mit unkomplizierter Gonorrhöe Einzeldosen von 400, 800 und 1600 mg Bacampicillin mit 1 g Probenecid verabreicht. Eine Einzeldosis von 800 mg Bacampicillin plus Probenecid war das Minimum für eine wirksame Behandlung bei Patienten mit voll Ampicillin empfindlichen Stämmen. Bei Patienten mit Gonokokken, die vermindert Ampicillin empfindlich waren, wurden 1600 mg Bacampicillin benötigt, um eine Heilungsrate von 95% zu erzielen. Bacampicillin wurde in allen Behandlungsgruppen gut vertragen. Von Nebenwirkungen wurde bei 4,6% aller Behandlungszyklen berichtet. Die häufigste Reaktion waren weiche Stühle (1,9%), die häufiger nach der 1600 mg Dosis beobachtet wurden, denen jedoch keine oder nur geringe klinische Bedeutung beigemessen wurde.
    Notes: Summary In a systematic study of dose-response relationship 883 patients with uncomplicated gonorrhoea were given single oral doses of 400, 800 or 1600 mg bacampicillin, with 1 g probenecid. A single dose of bacampicillin 800 mg plus probenecid was the minimum effective dose in patients with fully ampicillin-sensitive strains. In patients with gonococci showing reduced sensitivity to ampicillin, 1600 mg bacampicillin was required to reach a cure rate above 95%. Bacampicillin was well tolerated in all treatment groups. Side-effects were reported in 4.6% of the courses of treatment. The most frequent adverse reaction was loose stools (1.9%), which was noted more often after the 1600 mg dose but was considered to be of no or very little clinical importance.
    Type of Medium: Electronic Resource
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