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Pleuropulmonary manifestation in patients with rheumatoid arthritis in Saudi Arabia
Omer S B Alamoudi1, Suzan Mansour Attar1
1Department of Internal Medicine, King Abdulaziz University, Jeddah, Saudi Arabia.
Background And Objectives:
Pleuropulmonary (PP) involvement in rheumatoid arthritis (RA) is associated with high morbidity and mortality. Nevertheless, limited data are available regarding lung complications in the Middle East, especially in Saudi Arabia. The objectives of the current study were to determine the prevalence of PP manifestations and to identify the associated risk factors.
Methods:
This was a retrospective study involving 419 patients diagnosed at a tertiary center over a 12.5-year period. The frequency of pulmonary manifestations was recorded based on combined results from chest X-rays, pulmonary function tests, and high-resolution computed tomography scan of the chest.
Results:
The overall frequency of lung involvement was 25.8%. Pneumonia, bronchiectasis, and interstitial lung disease were the most common abnormalities (36%, 35%, and 23%, respectively). The presence of comorbid illness (odds ratio [OR]: 3.19; 95% confidence interval [CI]: 2.02-5.1), male gender (OR: 2.4; 95% CI: 1.3-4.24), and the presence of extra-articular manifestations of RA (ExRA) (OR: 2.35; 95% CI: 0.4-4.01) were predictive of lung involvement.
Conclusions:
Pneumonia, bronchiectasis, and interstitial lung disease were the most common abnormalities seen in RA patients. The presence of comorbidity, male gender, and ExRA was significantly associated with lung involvement.
