Clinical Challenges and Complications of IBD

Miguel D Regueiro, MD; Jason Swoger, MD MPH

Chapter 7: Joint Disease (continued)

Kim L. Isaacs, MD, PhD

Arthritis is the most common extraintestinal manifestation of inflammatory bowel disease (IBD), occurring in 20% to 50% of patients with IBD.1 By definition, inflammatory arthritis in patients with IBD is considered a spondyloarthropathy. The other disease entities included under this category are psoriatic arthritis, ankylosing spondylitis, reactive arthritis, and undifferentiated spondylarthritis (SA). These entities are grouped together because they are thought to have a similar genetic predilection and clinical manifestations.1 Both spondyloarthropathy and SA are used…