Spondyloarthritis & psoriatic arthritis

DEUS Enthesitis Index (DEI): a new tool integrating ultrasound and clinical examination for enthesitis assessment in spondyloarthritis

RMD OpenPublished Cross-sectional study

Authors' conclusion

DEI is a novel tool that integrates both ultrasound and clinical examination findings for enthesitis assessment, potentially ensuring a more reliable evaluation of this key domain in SpA.

Study context

Population
Patients with spondyloarthritis (SpA), 20 rheumatology centres across 11 countries; bilateral US and clinical examination of lower limb large entheses (quadriceps tendon, proximal and distal patellar tendons, Achilles tendon, plantar fascia)
Participants
413 patients
Exposure
DEI vs clinical examination of the entheses alone
  • Axial SpAn = 224
  • PsAn = 189
Outcome
DEI score (range 0–20) in SpA
Methodological detailsobservational, multicentric
  • Observational
  • Multicentric

Main finding

As reported in the abstract

SpA

1.0

median · IQR 0.0–3.0

Observational data: associations, not effects.

Original publication

DEUS Enthesitis Index (DEI): a new tool integrating ultrasound and clinical examination for enthesitis assessment in spondyloarthritis. RMD Open. Published 28 April 2025. doi:10.1136/rmdopen-2025-005496

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