Incidence and predictors of dyspnea on exertion in a prospective cohort of patients with rheumatoid arthritis.

Objective: To investigate the incidence and predictors of dyspnea on exertion among subjects with rheumatoid arthritis (RA).

Methods: We investigated dyspnea on exertion using a prospective cohort, the Brigham RA Sequential Study (BRASS). Clinically significant dyspnea on exertion was defined as a score of ≥3 (unable to ambulate without breathlessness or worse) on the validated Medical Research Council (MRC) scale (range 0-5).

Musculoskeletal and pulmonary outcomes of sarcoidosis after initial presentation of osseous involvement.

Objective: We aimed to investigate the musculoskeletal and pulmonary outcomes of patients with osseous sarcoidosis.

Methods: We identified 24 patients with osseous sarcoidosis and at least one year of follow-up after diagnosis (baseline). We collected outcome data at 1-year follow-up and last follow-up.