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Final ID: Poster #: EDU-061

Preliminary Definitions for Sacroiliac Joint Pathologies in the OMERACT Juvenile Idiopathic Arthritis MRI Score (OMERACT JAMRIS-SIJ)

Purpose or Case Report: Clinical assessment of the Sacroiliac Joint (SIJ) is limited due to the location and anatomy of the joint. Magnetic Resonance Imaging is a sensitive, non- invasive tool in detecting early SIJ inflammatory changes and structural damage in Juvenile Idiopathic Arthritis (JIA). The quantification of interval change of pediatric SIJs using MRI based scoring methods will serve as an important objective outcome measure for the assessment of disease severity and treatment effectiveness in JIA.
Methods & Materials: The OMERACT consensus-driven methodology consisting of iterative surveys and focus group meetings within an international group of pediatric rheumatologists and radiologist was utilized to decide the measurement construct, items, and definitions. Consensus was deemed to have been achieved if greater than 70% agreement was reached among voting attendees at the session in the absence of greater than 15% present or more in strong disagreement.

Results: Twenty-eight international multidisciplinary experts from North America, Europe, South Asia and South America participated in the study. Two domains, inflammation and structural, were identified. Definitions for bone marrow edema, joint space inflammation, capsulitis, and enthesitis were derived for joint inflammation; sclerosis, erosion, fatty lesion and ankylosis were defined for assessing structural joint changes.

Conclusions: Preliminary consensus-driven definitions for inflammation and structural elements have been drafted, underpinning the ongoing development of the Juvenile arthritis MRI scoring system for SIJ (JAMRIS-SIJ).

  • Otobo, Tarimobo  ( Hospital for Sick Children , Toronto , Ontario , Canada )
  • Rumsy, Dax  ( Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta , Edmonton , Alberta , Canada )
  • Inarejos, Emilio  ( Department of Radiology; Hospital Sant Joan de Deu, Passeige de Sant Joan deDeu, Esplugues de Llobregat , Barcelona , Spain )
  • Kirkhus, Eva  ( Department of Radiology, Rikshospitalet, Oslo University Hospital , Oslo , Norway )
  • Stimec, Jennifer  ( Hospital for Sick Children , Toronto , Ontario , Canada )
  • Panwar, Jyoti  ( Hospital for Sick Children , Toronto , Ontario , Canada )
  • Thorpe, Kevin  ( Dalla Lana School of Public Health, University of Toronto, 155 College Street, Toronto , Toronto , Ontario , Canada )
  • Jans, Lennart  ( Department of Radiology and Medical Imaging, Ghent University Hospital, De Pintelaan 185 , Ghent , Belgium )
  • Van Rossum, Marion  ( Reade | Emma Children’s Hospital / Academic Medical Center , Amsterdam , Netherlands )
  • Tolend, Mirkamal  ( Hospital for Sick Children , Toronto , Ontario , Canada )
  • Perez, Manuela  ( Hospital for Sick Children , Toronto , Ontario , Canada )
  • Conaghan, Philip  ( Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds & NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust , Leeds , United Kingdom )
  • Tzaribachev, Nikolay  ( Pediatric Rheumatology Research Institute, PRI Achtern Dieck 9 , Bad Bramstedt , Germany )
  • Sandhya, Pulukool  ( Department of Clinical Immunology and Rheumatology, Christian Medical College , Vellore , India )
  • Tse, Shirley  ( Hospital for Sick Children , Toronto , Ontario , Canada )
  • Simone, Appenzeller  ( Department of Medical Imaging, University of Toronto , Toronto , Ontario , Canada )
  • Swami, Vimarsha  ( Department of Medical Imaging, University of Toronto , Toronto , Ontario , Canada )
  • Touma, Zahi  ( Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital , Toronto , Ontario , Canada )
  • Lambert, Robert  ( Department of Radiology and Diagnostic Imaging, University of Alberta , Edmonton , Alberta , Canada )
  • Doria, Andrea  ( Hospital for Sick Children , Toronto , Ontario , Canada )
  • Maksymowych, Walter  ( Department of Rheumatology, University of Alberta, 562 Heritage Medical Research Building , Edmonton , Alberta , Canada )
  • Van Der Heijde, Desiree  ( Department of Rheumatology, Leiden University Medical Center , Leiden , Netherlands )
  • Weiss, Pamela  ( University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia , Philadelphia , Pennsylvania , United States )
  • Sudol-szopinska, Iwona  ( Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation , Warsaw , Poland )
  • Herregods, Nele  ( Department of Radiology and Medical Imaging, Ghent University Hospital, De Pintelaan 185 , Ghent , Belgium )
  • Jaremko, Jacob  ( Department of Radiology and Diagnostic Imaging, University of Alberta , Edmonton , Alberta , Canada )
  • Meyers, Arthur  ( Nemours Children's Hospital , Orlando , Florida , United States )
Session Info:

Posters - Educational

Musculoskeletal

SPR Posters - Educational

More abstracts on this topic:
Identification and Grading of Juvenile Idiopathic Arthritis Related changes in the Temporomandibular Joints in Contrast Enahnced Magnetic Resonacne Imaging: An Imaging Atlas

Junhasavasdikul Thitiporn, Kellenberger Christian, Tolend Mirkamal, Doria Andrea

Consensus-driven development of a standardized WB-MRI scoring system for assessment of disease activity in JIA: Special Interest Group from the MRI in JIA in OMERACT

Panwar Jyoti, Kirkhus Eva, Meyers Arthur, Patel Hiten, Van Rossum Marion, Stimec Jennifer, Tse Shirley, Twilt Marinka, Tzaribachev Nikolay, Doria Andrea, Tolend Mirkamal, Akikusa Jonathan, Herregods Nele, Highmore Kerri, Inarejos Clemente Emilio, Jans Lennart, Jaremko Jacob Lester, Von Kalle Thekla

More abstracts from these authors:
Consensus-driven development of a standardized WB-MRI scoring system for assessment of disease activity in JIA: Special Interest Group from the MRI in JIA in OMERACT

Panwar Jyoti, Kirkhus Eva, Meyers Arthur, Patel Hiten, Van Rossum Marion, Stimec Jennifer, Tse Shirley, Twilt Marinka, Tzaribachev Nikolay, Doria Andrea, Tolend Mirkamal, Akikusa Jonathan, Herregods Nele, Highmore Kerri, Inarejos Clemente Emilio, Jans Lennart, Jaremko Jacob Lester, Von Kalle Thekla


Systematic Review on Diagnostic Accuracy of MRI for Assessment of Sacroiliac Joints in Children and Adults

Swami Vimarsha, Jaremko Jacob Lester, Rumsey Dax, Doria Andrea

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