Spondyloarthritis & psoriatic arthritis
Temporomandibular joint involvement in psoriatic arthritis: a prospective clinical and ultrasonographic study
Authors' conclusion
Peripheral enthesitic involvement may represent a potential risk factor for the development of TMJ synovitis in PsA patients.
Study context
- Population
- Patients with psoriatic arthritis (PsA) who underwent at least one temporomandibular joint (TMJ) ultrasound (US) examination and maxillofacial surgeon's evaluation, 2018–2021
- Participants
- 142 patients
- Exposure
- TMJ US vs maxillofacial surgeon's clinical evaluation and PsA disease activity indexes
- Outcome
- Prevalence of TMD and accuracy of TMJ US vs clinical evaluation and clinimetric composite index in assessing TMJ involvement
Methodological detailsmonocentric
- Monocentric
Main finding
As reported in the abstract
TMJ US changes in patients without TMD on clinical assessment
Totally asymptomatic for temporomandibular disorders (TMD) (n=111) with TMJ US changes
58.5%
No relevant findings at maxillofacial surgeon's examination (n=103) with US signs of TMD
55.3%
Observational data: associations, not effects.
Further findings
| Outcome | Prevalence of peripheral enthesitic involvement | P value |
|---|---|---|
| Peripheral enthesitic involvement in patients with vs without TMD (univariate)With TMJ synovitis vs Without TMJ synovitis · multivariate p=0.01 | 95.7% vs. 4.3% | P = 0.001 |
| Peripheral enthesitic involvement in patients with vs without TMD (univariate)With active power Doppler signal vs Without active power Doppler signal · multivariate p=0.013 | 72.2% vs. 27.3% | P = 0.007 |
Original publication
Temporomandibular joint involvement in psoriatic arthritis: a prospective clinical and ultrasonographic study. Clin Exp Rheumatol. Published 2 April 2023. doi:10.
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