Spondyloarthritis & psoriatic arthritis
The association between sonographic enthesitis with sonographic synovitis and tenosynovitis in psoriatic arthritis patients
Authors' conclusion
Sonographic enthesitis is associated with sonographic synovitis and tenosynovitis.
Study context
- Population
- Consecutive PsA patients fulfilling CASPAR criteria (mean age 52.3 years, 55.7% female)analysed
- Participants
- 158 patients
- Outcome
- Association between sonographic enthesitis and sonographic synovitis and tenosynovitis
Methodological detailsprospective recruitment, consecutive patients, sonographer blinded to clinical data, multivariate linear regression
- Prospective recruitment
- Consecutive patients
- Sonographer blinded to clinical data
- Multivariate linear regression
Main finding
As reported in the abstract
- US enthesitis vs US synovitis, β
- 0.18 (P = 0.008)
- US enthesitis vs US tenosynovitis, β
- 0.06 (P = 0.02)
- Associations derived from the enthesitis inflammatory subcategory of the MAdrid Sonography Enthesitis Index (MASEI)
- P < 0.05
Observational data: associations, not effects.
Further findings
Enthesitis–synovitis association at elbow, knee and ankle joints
- Associations also demonstrated at elbow, knee and ankle
- P < 0.05
US enthesitis and clinical characteristics
- Significantly associated with older age, male sex, swollen joint count, CRP level and physical occupation
Original publication
The association between sonographic enthesitis with sonographic synovitis and tenosynovitis in psoriatic arthritis patients. Rheumatology (Oxford). Published 11 May 2023. doi:10.
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