Without DMARDS, Shoulder Arthroplasty Increasing in Rheumatoid Arthritis The need for total shoulder arthroplasty (TSA) in rheumatoid arthritis (RA) patients appears to depend on the use of DMARDs, according to Seminars in Arthroplasty. https://t.co/iGAQaa7Ppc https://t.co/AbteC427wI