Unusual chronic rheumatoid empyema, presenting as a chest wall mass

Endo, Shunsuke; Sakuma, Y.; Satô, Yukio; Sohara, Yasunori

doi:10.1016/j.ejcts.2004.08.001

Cited by 1 publication

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“…To date, there have been several case reports and case series [14][15][16][17][18] that focus on the development of pleural empyema in patients with RA. The detailed mechanisms explaining the association remained unclear; however, some hypotheses could be suggested.…”

Section: Introductionmentioning

confidence: 99%

Rheumatoid arthritis increases the risk of pleural empyema

2020

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BackgroundRheumatoid arthritis (RA) can lead to various pulmonary manifestations. Evidence shows the possible association between RA and pleural empyema.MethodsWe conducted a retrospective cohort study to investigate the risk of pleural empyema in patients with RA. The RA group (n = 29,061) included newly diagnosed adult patients between 2000 and 2012. The comparison group (n = 1,16,244) included individuals without RA at a 1:4 ratio of frequency matched by age, gender, and diagnosis year. The occurrence of pleural empyema was monitored until the end of 2013.ResultsPatients with RA had a higher risk of developing pleural empyema than those without RA (23.6 vs 1.82 per 10,000 person-years, adjusted hazard ratio = 11.0, 95% confidence interval [CI] = 8.90–13.5). Furthermore, intensive care unit admission rates of pleural empyema were 37.7% in the RA group and 37.2% in the comparison group (adjusted odds ratio [OR] = 1.02, 95% CI = 0.66−1.57). The 30-day mortality rates of pleural empyema were 11.2% in the RA group and 10.9% in the comparison group (adjusted OR = 1.01, 95% CI = 0.51−1.88).ConclusionPatients with RA are at a greater risk of developing pleural empyema than those without RA.

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