Similar patterns of inflammation occur in the joints of patients with inflammatory arthritis, but in each individual, arthritis affects only a subset of possible anatomic areas. Chang et al. set out to identify patient-specific anatomic patterns of joint flare to distinguish local from systemic drivers of chronic disease.
Sacroiliitis on MRI: axSpA or Another Cause?
Magnetic resonance imaging (MRI) is the gold standard imaging modality for the detection of sacroiliitis, a hallmark of axial spondyloarthritis (axSpA). However, the specificity of MRI for axSpA has been questioned. Renson et al. found that structural MRI-detected SI joint lesions are frequently seen in healthy individuals.
The ACR’s RISE Registry & Rheumatology Research Foundation Launch Award to Support Early Career Professionals
A new award from the ACR’s RISE Registry and the Rheumatology Research Foundation supports early career rheumatology researchers and clinicians who leverage the registry’s real-world data in research projects.

COVID-19 Vaccinations in Immune-Compromised Patients
A prospective observational study by Syversen et al. found that patients with immune-mediated inflammatory diseases (IMID) had an attenuated serologic response to the standard two-dose vaccine regimen but a third dose was safe and effective.
OA Prevalence Primarily on the Rise
Background & Objectives Worldwide, osteoarthritis (OA) is a highly prevalent, chronic joint disease that causes pain, disability and loss of function. Global trends demonstrated an increase of more than 100% in years lived with disability due to OA from 1990 to 2019. However, no nonsurgical intervention exists to prevent, halt or even delay OA progression….

We Must Include Diverse Belief Models in Rheumatology Research
Information overload generated by the media, family, friends and colleagues is apparent today. Personal beliefs play an important role in how we filter and process the abundant information available and subsequently identify its utility in daily life. Regardless of professional specialty, individual beliefs underpin personal approaches to clinical care, research development and engagement with patients…

Hand Osteoarthritis: Prevalence, Incidence and Progression
Eaton et al. set out to describe the prevalence, incidence and progression of radiographic and symptomatic hand osteoarthritis (OA), and to evaluate differences according to age, sex, race and other risk factors.
Outcomes in Patients with Rheumatic Diseases & COVID-19
Background & objectives: Patients with rheumatic and musculoskeletal diseases (RMDs) may be at an increased risk of SARS-CO-V2 infection as a result of underlying disease, associated comorbidities and use of potentially immunosuppressive treatments. Further, concern exists regarding whether individuals with rheumatic diseases potentially experience more severe COVID-19 and poorer outcomes. This study was undertaken to…
Is Hydroxychloroquine Safe During Pregnancy?
Chambers et al. found no evidence of an increased risk of major structural birth defects nor any increase in a wide range of other pregnancy outcomes attributable to prenatal exposure to hydroxychloroquine.

Pregnancy Outcomes in Patients with Psoriatic Arthritis
In March A&R, Remaeus et al. reported on the results of their study, which evaluated pregnancy outcomes in relation to anti-rheumatic treatment before and during pregnancy, as a proxy of disease severity in pregnant women with psoriatic arthritis (PsA), compared with those without PsA.
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