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[The clinical characteristics of pleural tuberculosis in patients with and without human immunodeficiency virus infection].

OBJECTIVE
To determine whether or not there are differences in the characteristics of pleural tuberculosis (PT) related to whether patients are or are not infected by human immunodeficiency virus (HIV).


METHODS
We conducted a retrospective study of the medical histories of patients diagnosed of PT in our hospital between 1986 and 1993.


RESULTS
We found no significant differences in the proportions of tuberculosis patients with or without HIV infection (8% versus 11%) who were diagnosed of PT. Of the 119 patients diagnosed of PT, 10% were also HIV positive. The HIV patients had more serious forms of PT, and among them there was a higher incidence of pleural discharge, more isolations of Mycobacterium tuberculosis in sputum and pleural fluid (42% and 45% versus 13% and 15%, p < 0.05), and more deaths before end of treatment (17% versus 1%, p < 0.05). The HIV patients had a lower rate of positive results in Mantoux's intradermal reaction test (17% versus 67%, p < 0.01), however, and fewer positive results for pleural biopsy (36% versus 84% positivity for granulomas, p < 0.01).


CONCLUSIONS
The frequency of PT was similar for subjects with and without HIV infection in our study. In patients with both HIV and PT pleural fluid and sputum cultures are more useful diagnostic tools than pleural biopsy, and the former tests should therefore be stressed.