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Updated: Aug 12, 2026

Knee Arthrocentesis in Adults
Published on: February 25, 2022
Abstract:
Case notes of the last 67 patients to present at the Brompton Hospital with nontuberculous empyemas, and without malignant disease, have been examined. Three cases of empyema in association with rheumatoid arthritis (RA) were found, and these cases are reported. Previous literature concerning this association is reviewed. It is concluded that two types of empyema may occur in patients with RA. Some develop in association with nodular pleuropulmonary disease and the formation of pyopneumothoraces; in other cases large, recurrent, primary empyemas build up in the presence of active rheumatoid disease alone. As with rheumatoid pleural effusions, middle-aged men seem to be particularly susceptible.
Insights
Rheumatoid arthritis (RA) can lead to two types of nontuberculous empyema, sometimes with lung nodules or as large, recurrent infections. Middle-aged men with active RA are particularly susceptible to these serious pleural infections.
Area of Science:
- Pulmonology
- Rheumatology
- Infectious Diseases
Background:
- Nontuberculous empyema is a serious thoracic infection.
- Rheumatoid arthritis (RA) is a systemic autoimmune disease affecting joints and potentially other organs.
- The association between RA and empyema is not well-established, necessitating further investigation.
Purpose of the Study:
- To investigate the occurrence and characteristics of nontuberculous empyema in patients with rheumatoid arthritis.
- To review existing literature on the link between RA and empyema.
- To identify distinct patterns of empyema in RA patients.
Main Methods:
- Retrospective case review of 67 patients with nontuberculous empyema at Brompton Hospital.
- Inclusion criteria: absence of malignant disease.
- Analysis of three identified cases of empyema associated with RA.
Main Results:
- Three cases of nontuberculous empyema in patients with RA were identified.
- Two distinct patterns of empyema in RA were observed: 1) associated with nodular pleuropulmonary disease and pyopneumothoraces, and 2) large, recurrent primary empyemas in the presence of active RA.
- Middle-aged men showed a higher susceptibility, similar to rheumatoid pleural effusions.
Conclusions:
- Rheumatoid arthritis is associated with specific types of nontuberculous empyema.
- Empyema in RA patients can manifest with or without pleuropulmonary nodules.
- Active rheumatoid disease and nodular lung disease are key factors in RA-associated empyema development.
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