Abstract Number: 584 • 2019 ACR/ARP Annual Meeting
Radiographic Association of Hip and SI Joints in Ankylosing Spondylitis Patients
Background/Purpose: The modified Stoke Ankylosing Spondylitis Spinal Score (mSASSS) is a representative tool for assessing radiographic progression in spine of ankylosing spondylitis (AS) patients. However,…Abstract Number: 585 • 2019 ACR/ARP Annual Meeting
Effect of Testosterone on Spinal Ankylosis in Ankylosing Spondylitis : in Vivo and in Vitro
Background/Purpose: Ankylosing spondylitis (AS) is a predominantly male disease and spinal ankylosis more severely affect male AS1 suggesting role of testosterone on spinal ankylosis. In…Abstract Number: 586 • 2019 ACR/ARP Annual Meeting
Drug Concentrations and Anti-drug Antibodies Influence in Response to Adalimumab: Results from the BioEfficacySpA Clinical Trial
Background/Purpose: Almost all protein-based biotherapeutics can induce immunogenicity, which may result in loss of efficacy and/or increased risk of adverse reactions. Despite all the efforts…Abstract Number: 587 • 2019 ACR/ARP Annual Meeting
Increased Prevalence of Cardiac Disorders in Dutch Ankylosing Spondylitis Patients: The CARDAS Study
Background/Purpose: The overall mortality rate in ankylosing spondylitis (AS) patients is increased by 60–90% compared with the general population. This higher mortality rate is predominately…Abstract Number: 588 • 2019 ACR/ARP Annual Meeting
The Gut Enthesis Axis Coming into Focus with the Description of Enriched Entheseal Resident Mucosal Associated Invariant T-cells (MAITs) Capable of IL17A and TNF Production
Background/Purpose: Mucosal associated invariant T-cells (MAITs) are innate-like T lymphocytes that express a semi-invariant TCR repertoire that are activated by microbial ligands or cytokines including…Abstract Number: 589 • 2019 ACR/ARP Annual Meeting
Smoking, Alcohol Intake and Body Mass Index in Prediction of Disease Activity over Time in Early Axial Spondyloarthritis – Results from the SPondyloArthritis Caught Early (SPACE) Cohort
Background/Purpose: In ankylosing spondylitis (AS), smokers have been found to have both higher disease activity and greater syndesmophyte progression, and a higher body mass index…Abstract Number: 590 • 2019 ACR/ARP Annual Meeting
What Is the Impact of MRI on the Performance of the ASAS Classification Criteria in Patients Presenting with Undiagnosed Back Pain?
Background/Purpose: Classification criteria for axSpA comprise an imaging and a clinical arm, the former requiring radiographic or MRI evidence of sacroiliitis. Several cohorts have reported…Abstract Number: 591 • 2019 ACR/ARP Annual Meeting
Longitudinal Assessment of MRI of the Sacroiliac Joints in the ASAS Classification Cohort: Evolution of Diagnostic Features and Predictive Utility for Axial Spondyloarthritis
Background/Purpose: Follow up of the ASAS Classification Cohort (CC) indicated a high positive predictive value for the ASAS classification criteria derived from baseline patient and…Abstract Number: 592 • 2019 ACR/ARP Annual Meeting
Replacement of Radiographic Sacroilitis by MRI Structural Lesions: What Is the Impact on Classification of Axial Spondyloarthritis in the ASAS Classification Cohort?
Background/Purpose: xClassification of axial spondyloarthritis is based on the application of either an imaging or clinical arm. Radiographic or MRI evidence of sacroiliitis can be…Abstract Number: 593 • 2019 ACR/ARP Annual Meeting
Performance of the ASAS Classification Criteria Presenting with Undiagnosed Back Pain: Data from the Screening in Axial Spondyloarthritis in Psoriasis, Iritis, and Colitis Cohort
Background/Purpose: Classification criteria for axial spondyloarthritis (axSpA) that capture the spectrum of disease present challenges due to the frequency of back pain, the relative infrequency…Abstract Number: 594 • 2019 ACR/ARP Annual Meeting
Enhanced Performance of the ASAS Classification Criteria by Deletion of Non-Discriminatory Clinical Items: Data from the Screening in Axial Spondyloarthritis in Psoriasis, Iritis, and Colitis Cohort
Background/Purpose: xThe ASAS classification criteria for axial spondyloarthritis (axSpA) have overall sensitivity/specificity of 82.9%/84.4% but component imaging and clinical arms differ in performance (66.2%/97.3% and…Abstract Number: 595 • 2019 ACR/ARP Annual Meeting
What Is the Impact of Discrepancy Between Central and Local Readers in Evaluation of MRI Scans on the Classification of Axial Spondyloarthritis? Data from the ASAS Classification Cohort Study
Background/Purpose: Active MRI lesions typical of axSpA were reported in 61.6% and 2.2% of axSpA and not-axSpA patients, respectively, from the ASAS classification cohort (ASAS-CC)1.…Abstract Number: 596 • 2019 ACR/ARP Annual Meeting
Prostaglandin Receptor EP4 Drives Pathogenic Th17 Cell Development in Ankylosing Spondylitis and Is a New Marker of Disease Activity
Background/Purpose: Th17 cells are involved in the pathogenesis of ankylosing spondylitis (AS). However, the mechanism underlying enhanced Th17 cell accumulation in AS remains unknown. The…Abstract Number: 597 • 2019 ACR/ARP Annual Meeting
High Prevalence of Sacroiliac Bone Marrow Edema on MRI in Post Partum Women: A Temporary Phenomenom
Background/Purpose: Magnetic Resonance Imaging (MRI) is a sensitive method for detection of sacroiliitis. However, recently, concerns have been raised about its specificity. In contrast to…Abstract Number: 598 • 2019 ACR/ARP Annual Meeting
Identification of Potential Risk Factors for Spinal Structural Damage in Chinese Patients with Ankylosing Spondylitis
Background/Purpose: Spinal structural damage can lead to physical dysfunction and decline of spinal mobility in patients with ankylosing spondylitis (AS). Although great progress has been…
