Chest
Volume 112, Issue 2, August 1997, Pages 393-397
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Tuberculous Pleurisy Is More Common in AIDS Than in Non-AIDS Patients With Tuberculosis

https://doi.org/10.1378/chest.112.2.393Get rights and content

Objective

To investigate the incidence, clinical features, and treatment of tuberculous pleurisy in AIDS patients.

Methods

We reviewed all cases of pleural tuberculosis in AIDS patients in South Carolina from 1988 through 1994. Clinical findings, test results, treatment, and outcome were analyzed.

Main results

Twenty-two (11%) of the 202 AIDS patients with tuberculosis had pleural involvement compared to 6% (169/2,817) pleural involvement in non-AIDS patients (p=0.01). Associated features of AIDS tuberculous pleurisy included substantial weight loss (7.65±1.35 kg) and lower lobe infiltrates (12/22; 55%). No difference in pleural fluid characteristics was found when comparing AIDS patients with a serum CD4 count ≥200/µL to patients with CD4 count <200/µL. Two (9%) of the 22 patients died of tuberculosis. Chest radiograph follow-up of 20 patients showed complete resolution in 7, improvement in 10, and no improvement in 3.

Conclusions

In South Carolina, pleural involvement is more common in AIDS patients than in non-AIDS patients with tuberculosis. Tuberculous pleurisy has several atypical features in AIDS patients such as substantial weight loss and lower lobe infiltrates. The outcome of treatment is good for most patients.

Section snippets

Materials and Methods

We identified all cases of pleural tuberculosis in South Carolina from 1988 through 1994 by reviewing the state tuberculosis registry. From this group, we identified those patients who were also HIV positive. All patients with tuberculosis are routinely offered HIV testing. Case information was obtained from the treating physicians and by review of the records. Patient confidentiality was maintained. These cases were reviewed retrospectively for clinical findings, test results, treatment, and

Results

From 1988 through 1994, there were 2,817 cases of tuberculosis in non-AIDS patients in South Carolina. Pleural involvement was diagnosed in 169 of 2,817 (6%) cases. There were 202 AIDS patients with tuberculosis. Twenty-two of 202 (11%) of the AIDS patients with tuberculosis had pleural involvement compared to 6% pleural involvement in non-AIDS patients (p=0.01). There were 19 definite cases and three probable cases of AIDS tuberculous pleuritis. During this time, there were 4,552 newly

Discussion

Among all patients with tuberculosis in South Carolina, the proportion with pleural involvement is greater in AIDS patients than in non-AIDS patients. This is an unexpected finding given the currently accepted pathophysiologic state of the disease. Since tuberculous pleurisy is thought to be primarily an immune reaction to tuberculin proteins in the pleural space, a lower incidence in AIDS patients because of impaired cell-mediated immunity would be expected. There are several possible

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    Chest

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