Spondyloarthritis & psoriatic arthritis
Identifying Axial Spondyloarthritis in Patients With Inflammatory Bowel Disease Using Computed Tomography
Authors' conclusion
In this study, 5% (3/60) of patients with IBD undergoing abdominopelvic CT for non-MSK indications with CTSI were found to have undiagnosed axSpA and, overall, 18.3% (11/60) were found to have axSpA.
Study context
- Population
- Patients with verified inflammatory bowel disease (IBD), aged 18 to 55 years, who underwent abdominopelvic computed tomography (CT) for non-MSK indicationsCT scans reviewed
- Participants
- 301 patients
- Outcome
- Proportion of patients with IBD undergoing abdominopelvic CT for non-MSK indications who have axSpA
Methodological detailsCT screening tool, radiologist review of abdominopelvic CT for non-MSK indications
- CT screening tool
- Radiologist review of abdominopelvic CT for non-MSK indications
Main finding
As reported in the abstract
CT-defined sacroiliitis (CTSI)
60 out of 301
19.9%
Undiagnosed axial spondyloarthritis (axSpA) among those with rheumatology assessment
3 out of 14
21.4%, 95% CI 4.7–50.8
Rheumatologist-verified axSpA among enrolled
11 out of 27
40.7%, 95% CI 22.4–61.2
Observational data: associations, not effects.
Further findings
Enrolment of patients with CTSI
- Responded to invitation
- 32 (53%)
- Enrolled
- 27 out of 32 (84.3%)
- Preexisting axSpA diagnosis
- 8
- Did not report chronic back pain (CBP)
- 5
- Underwent rheumatology assessment
- 14
Original publication
Identifying Axial Spondyloarthritis in Patients With Inflammatory Bowel Disease Using Computed Tomography. J Rheumatol. Published 15 October 2022. doi:10.
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