Journal List > Tuberc Respir Dis > v.61(6) > 1001034

Hong, Lim, Shin, and Park: Tuberculous Pleurisy: Clinical Characteristics of Primary and Reactivation Disease

Abstract

Background

Traditionally, tuberculous pleurisy has been known to largely develop as primary tuberculosis. However, as the incidence of tuberculosis decrease, recent studies have shown reactivation tuberculosis has become the main cause of tuberculous pleurisy.

Methods

141 cases of tuberculous pleurisy, between January 2003 and February 2006, at the Dankook university hospital. were retrospectively studied. The patients were divided into primary and reactivation tuberculosis. based on the history and radiological characteristics, and the clinical, radiological characteristics at the time of diagnosis and residual pleural thickening after 6 month of chemotherapy were compared between the two groups.

Results

1. Of the 141 tuberculous pleurisy cases, in 135 it was possible to differentiate between primary and reactivation tuberculosis.
2. Of the 135 tuberculous pleurisy cases, 38 (28%) showed a primary tuberculosis pattern, and 98 (72%) showed a reactivation tuberculosis pattern.
3. There were no significant differences between primary and reactivation tuberculosis in relation to age, sex, duration of symptom, amount of pleural effusion, pleural fluid WBC, lymphocyte count, and level of protein, LDH and ADA at the time of diagnosis
4. 124 patients were followed for 6 months after diagnosis of tuberculous pleurisy, and there was no significant difference in the residual pleural thickening between primary and reactivation tuberculosis.

Conclusion

In South Korea, a reactivation disease is currently a more common cause of tuberculous pleurisy than a primary disease. There was no difference in the clinical characteristics between primary and reactivation tuberculosis.

Figures and Tables

Figure 1
Percentage of patients according to age in both primary and reactivation tuberculosis.
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Figure 2
Percentage of patients according to residual pleural thickening in both primary and reactivation tuberculosis. Residual pleural thickness was measured in the lower lateral hemithorax of a posteroanterior chest radiograph at the level of an imaginary line intersecting the diaphragm dome.
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Table 1
Demographic and clinical characteristics of patients with primary and reactivation tuberculosis
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Data are presented as mean ± SD unless otherwise indicated. *Duration between respiratory symptom onset to pleural tapping for diagnosis, Estimated amount of pleural effusion in involved hemithorax, Positive smear or culture findings from pleural fluid, No./total (%)

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