Publications by authors named "Laetitia Sparsa"

Background: Despite guidelines, poor access to appropriate care for juvenile idiopathic arthritis (JIA) patients remains a global issue. Prompt referral to a pediatric rheumatology (PR) center and effective care is known to be critical for changing the natural history of the disease and improving long-term prognosis. This project assesses socio-economic factors of delayed referral to a pediatric rheumatologist (PRst) for JIA patients in France and Switzerland within the Juvenile Inflammatory Rheumatism (JIR) Cohort.

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Background: The treatment of children with juvenile idiopathic arthritis (JIA) to prevent disability is a major challenge in paediatric rheumatology. The presence of synovitis, which is difficult to detect in children, is associated with structural damage. Musculoskeletal ultrasonography (MSUS) can be used in patients with JIA to reveal subclinical synovitis.

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Objectives: To compare the benefits of a tight-control/treat-to-target strategy (TC/T2T) in axial spondyloarthritis (axSpA) with those of usual care (UC).

Methods: Pragmatic, prospective, cluster-randomised, controlled, open, 1-year trial (NCT03043846). 18 centres were randomised (1:1).

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Objectives: Therapeutic alliance (TA) is the agreement between caregiver and patient during the care process. Therapeutic adherence is a major issue for the management of Juvenile Idiopathic Arthritis (JIA) requiring child's strong ability to follow treatments. The aim of this study was to evaluate the relationship between TA and adherence in patients with JIA.

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Objectives: To evaluate the reliability of the OMERACT paediatric ultrasound (US) synovitis definitions and scoring system in JIA.

Methods: Thirteen sonographers analysed 75 images for the presence/absence of elementary lesions (binary scoring) and for grading synovitis, synovial hypertrophy, effusion and Doppler signals. Static US images of the second metacarpophalangeal joint (MCP-II), wrist, elbow, knee and ankle in JIA patients at different ages and different disease stages were collected with standardized scanning by two experienced sonographers.

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Background: The efficacy of antitumour necrosis factor alpha (anti-TNF-α) treatment is well recognised in rheumatoid arthritis (RA) but remains controversial in systemic lupus erythematosus (SLE). Therefore, the role of anti-TNF-α treatment in 'Rhupus', a disease sharing features of RA and SLE, is still debated.

Objective: To evaluate the efficacy and tolerance of anti-TNF-α in patients with rhupus.

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Introduction: In chronic inflammatory rheumatic diseases (CIRDs), comorbidities such as cardiovascular disease and infections are sub-optimally managed. EULAR recently developed points to consider to collect and report comorbidities. The objective of this present study was to develop a pragmatic guide to collect, report and propose management recommendations for comorbidities, from a rheumatologist perspective.

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Objective: Few studies have assessed Health-Related Quality of Life (HR-QoL) in adults following juvenile idiopathic arthritis, and none since the advent of biotherapies. The aim of our study is to assess the impact of juvenile idiopathic arthritis on quality of life in a large transitional cohort, evaluate which factors influence quality of life in juvenile idiopathic arthritis, and determine which questionnaire should be used in practice.

Methods: All consecutive juvenile idiopathic arthritis patients followed during adulthood in a transitional care program were included.

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Objective: Fractal bone analysis (Hmean) is a texture parameter reflecting bone microarchitecture. The BMA device (D3A™ Medical Systems, Orléans, France) is a high-resolution X-ray device that allows assessment of bone texture analysis. We aimed to measure Hmean in rheumatoid arthritis patients at the second and third metacarpal bones, at baseline and after 1 year of follow-up, and to assess the relationship of Hmean and rheumatoid arthritis disease parameters.

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The use of biological therapies for treating autoimmune diseases is increasing. These therapies are sometimes administered to pregnant women as part of a planned therapeutic regimen or to women with unexpected or unplanned pregnancies. The safety of biological therapies in this setting is a major issue.

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The type I cryoglobulins (CGs) account for 10-15% of all cryoglobulins and are found in patients with hematological disorders. We here describe the largest series of seven cases of type I cryoglobulinemia associated with multiple myeloma (MM) and provide a detailed review of the literature associated with this disorder, with the aim of improving the future diagnosis and therapeutic management of this rare disease. Six of the cases in our series were men aged 28-69 years, and most of the subject patients had an immunoglobulin G (IgG) monoclonal component and stage I indolent MM that manifested as cryoglobulin-related symptoms.

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Introduction: Interleukin-32 (IL-32) is a recently described cytokine that is a strong inducer of pro-inflammatory cytokines such as tumor necrosis factor (TNF)-α, IL-1β, IL-6, and IL-8. The expression of this cytokine is highly increased in the rheumatoid synovium and correlated with the severity of joint inflammation. Little is known regarding the innate immune-related regulation of IL-32 by fibroblast-like synoviocytes (FLSs).

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Leflunomide can have adverse effects, but cases of subacute cutaneous lupus have more rarely been described. This drug, through its immunomodulatory effect, can favor the appearance of a Th2 lymphocyte immune response inducing lupus. A recent study has suggested that Jessner-Kanof disease (JKD) could be a dermal form of lupus.

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Article Synopsis
  • Vertebral osteonecrosis typically shows an intravertebral vacuum cleft on MR images, seen in older patients with severe fractures and instability, but these clefts may indicate fracture non-union rather than being specific to osteonecrosis.
  • The double-line sign is commonly associated with osteonecrosis in long bones, although it has been observed in a rare case involving spinal cord and vertebral bone marrow radionecrosis.
  • The case presented discusses a confirmed multilevel vertebral osteonecrosis exhibiting the double-line sign without vertebral collapse or relation to prior radiotherapy.
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