Background The proportion of the late-onset forms of disease is growing in rheumatoid arthritis (RA) population. Concerns about comorbidities and drug adverse events lead to delay or ineffective treatment in these patients. The aim of this study is to analyze the tolerability and efficacy of methotrexate therapy in late-onset RA (LORA) patients and compare the baseline characteristics, efficacy, and gastrointestinal (GIT) adverse effects of methotrexate treatment between LORA and young-onset RA patients (YORA). Results Patients whose symptoms began after 65 years or older were classified as LORA. Baseline characteristics, rheumatoid factor (RF) and anti-citrullinated protein antibody (ACPA) status, C-reactive proten (CRP) levels, disease activity scores, and radiographs of hands and feet were recorded. Patients were started to methotrexate therapy and followed for 6 months. Female gender was predominant in both LORA and YORA. LORA patients had less seropositivity (RF or anti-CCP), higher CRP levels, and higher DAS 28 scores. More than half of the patients (58%) had large joint involvement. Remission rates were higher in LORA patients, and total remission and low disease activity rates were similar. Methotrexate withdrawal due to gastrointestinal adverse events (nausea and vomiting) was lower than YORA patients. Logistic regression analysis demonstrated that DAS 28 score was the only predictor for disease remission (p: 0.000), and no predictive factor was found for methotrexate-related adverse events. Conclusion Methotrexate-related gastrointestinal adverse events do not increase in LORA patients, and nausea-vomiting is seen lower than YORA. Methotrexate is well tolerated and effective in LORA patients, and a large amount of patients achieve treatment targets after 6 months of treatment with MTX. Methotrexate should be started immediately in LORA without additional concerns on adverse effects.
Objectives Familial Mediterranean fever (FMF) is the most common autoinflammatory disease, characterised by recurrent fever and serositis attacks lasting 1–3 days. Musculoskeletal involvement is the second most common manifestation in FMF patients. Sacroiliitis is another musculoskeletal involvement; as there is no spinal involvement, this is called FMF with sacroiliitis. This study was designed to investigate the clinical, demographic and genetic features of FMF in sacroiliitis patients and to compare them with axial SpA and FMF patients. Materials and Methods Forty-two FMF with sacroiliitis patients, 100 axial SpA patients and 100 FMF patients were recruited, and their demographic characteristics were recorded. Evidence of sacroiliitis was confirmed by sacroiliac joint MRI, and patients were examined for arthritis and enthesitis. MEFV gene mutations, HLA B27 positivity and ESR and CRP results were compared. Results In the FMF with sacroiliitis group, the M694V mutation was detected in 59.5% of patients. FMF with sacroiliitis patients were largely (83.3%) negative for HLA B27. The frequency of enthesitis was similar between FMF with sacroiliitis and axial SpA, and the frequency of arthritis was higher in axial SpA patients. Inflammatory markers (ESR and CRP) were statistically higher in FMF with sacroiliitis patients compared with axial SpA and FMF patients. Conclusion When all three groups were compared, the M694V mutation was more common, HLA B27 was largely negative and inflammatory markers were higher in the FMF with sacroiliitis group. FMF should be included in the differential diagnosis of sacroiliitis for managing treatment correctly and preventing complications.
Ankylosing spondylitis (AS) is a chronic inflammatory disease affecting the spine and the sacroiliac joints. AS occurs with the inflammation of the entheses and formation of syndesmophytes and finally sacral and spinal ankylosis. Imaging demonstrates both inflammatory and chronic lesions. Sacroiliitis is the hallmark of the disease. Spinal changes usually take place in advanced stages of the disease. 1984 The Modified New York criteria evaluated for the diagnosis of AS with definite radiological sacroiliitis (bilaterally grade 2 or unilateral grade 3/4 sacroiliitis) on imaging. The Modified New York criteria are well performed in diagnosing the established disease but its sensitivity is too low in early disease identification and leads to a diagnostic delay. So, in 2009 The Assessment in Spondyloarthritis International Society (ASAS) recommended classification criteria for axial spondyloarthritis (axSpA). Patients have sacroiliitis on imaging and ≥1 SpA features (imaging arm) or positive HLA B27 and ≥2 SpA features (clinical arm) are classified as axial SpA. On the imaging arm, either radiographic sacroiliitis according to Modified New York criteria or active inflammation on MRI is required. Imaging is also used for determining extent of disease, monitoring activity and progression of the disease, assessment of the treatment effect, and prognosis in AS patients.
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