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  • Title: Risk stratification for dissemination of tuberculosis in HIV-infected patients.
    Author: Llibre JM, Tor J, Manterola JM, Carbonell C, Roset J.
    Journal: Q J Med; 1992 Feb; 82(298):149-57. PubMed ID: 1620815.
    Abstract:
    The location of tuberculosis (TB) early in the course of HIV-induced immunosuppression was located, and an attempt was made to determine the correlation between the degree of immune suppression and prognostic variables to stratify the risk for dissemination of TB in HIV-infected patients. Clinical and laboratory characteristics were reviewed in 73 HIV-infected patients with TB admitted between 1984 and 1990. The presence of Mycobacterium tuberculosis was investigated in different clinical samples to verify the diagnostic yield of different sources. TB was extrapulmonary in 46.6 per cent of patients in whom it was their first opportunistic infection, and in 46.7 per cent of patients with previously diagnosed AIDS (p = NS). TB was frequently associated with other opportunistic infections, particularly oesophageal candidiasis (p = 0.006). Patients with localized extrapulmonary or disseminated TB presented more often with cytopenias, hypoalbuminaemia and oral thrush. The existence of extrapulmonary TB or another opportunistic coinfection allowed AIDS to be diagnosed in the same admission in 30 patients and a mean of 8.4 months later in another eight. Extrapulmonary TB was found to be as common in early HIV infection as in patients with established AIDS. Haematological derangements were common in these patients, and cytopenias, hypoalbuminaemia and oral thrush were useful predictors of TB dissemination. The location of TB and its dissemination were not significantly linked to a more advanced CDC stage of HIV infection or a more profound fall in CD4 count.(ABSTRACT TRUNCATED AT 250 WORDS)
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