None listed
Conditions
Brief summary
Rheumatoid interstitial lung disease is a serious extra-articular manifestation of rheumatoid arthritis. To date there is little known about rheumatoid interstitial lung disease in New Zealand. The number of persons with rheumatoid arthritis in Canterbury is also unknown. The overarching aim of this project is to investigate the frequency of rheumatoid interstitial lung disease in Canterbury, and to determine risk factors and outcomes related to this disease and to compare them to international cohorts.
Interventions
Sponsors
Eligibility
Inclusion criteria
Individuals will be classified as having RA if they meet the 2010 American College of Rheumatology/European Alliance of Associations for Rheumatology (previously known as European League Against Rheumatism) Rheumatoid Arthritis Classification Criteria. Individuals will be classified as having probable or definite RA-ILD if they meet pre-specified criteria: Probable ILD: Chest radiograph/chest CT evidence of ILD AND Treating physician diagnosis of ILD, Definite ILD: Chest radiograph/chest CT consistent with ILD AND 1 of: Diagnosis of ILD by a respiratory physician OR Presence of 2 longitudinal CT studies documenting the persistence of a diffuse interstitial pulmonary process consistent with reported interstitial pneumonia patterns in RA OR Lung biopsy consistent with ILD
Exclusion criteria
Individuals who do not meet the classification criteria for RA. Individuals who did not live in the region of the Canterbury District Health Board during the study periods.