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Osteoarthritis (OA) is frequently regarded by patients and health care providers as a normal consequence of ageing and a minor condition. In contrast, rheumatoid arthritis (RA) is a pathological condition that usually requires prolonged treatment and regular Rheumatology follow-up. Pain and physical limitations are hallmarks of both conditions and some previous studies suggest that OA and RA may have a similar burden for both groups of patients although those works usually do not take into account the inflammatory activity of RA. With this work, the authors compare levels of pain, physical disability and health-related quality of life in patients with primary hand osteoarthritis (hOA) and with RA - active disease (aRA) or in remission (rRA). The results show that hOA may have similar or even higher burden of pain than RA even with clinically relevant inflammatory activity in hand joints. Rather than suggesting that OA could be as severe as RA (or more or less severe), this brief study highlights OA as a cause of severe pain, which should lead us to try to achieve better symptom control for these patients and encourage rheumatologists to endeavor efforts to perform more studies in the field of OA.

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OBJECTIVE: Salivary gland ultrasound (SGUS) has been applied in the diagnosis of primary Sjögren's syndrome (pSS). To investigate the association of SGUS findings with clinical and analytical features of pSS patients. MATERIAL AND METHODS: 54 pSS patients underwent SGUS evaluation. The parenchymal homogeneity of bilateral parotid and submandibular glands was graded using a score of 0 (normal) to 4 (gross inhomogeneity). Patients were classified into two groups according to the highest SGUS score obtained. The grades 1 and 2 were considered to be normal and grades 3 and 4 to represent pathological SGUS findings. Demographic, clinical and laboratorial data were collected and compared between the groups. RESULTS: Nineteen of 54 patients had pathological SGUS findings. These were associated with higher ESSDAI and positivity for rheumatoid factor and anti-SSB antibody. Anti-SSB antibody was strongly and independently associated with pathological US findings in the salivary gland of pSS patients. CONCLUSION: This study provides further evidence that salivary gland ultrasound is linked to clinical and autoimmunity profile in pSS and confirm what has been reported in the literature. SGUS represents a useful imaging tool for diagnostic and prognostic of pSS.

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Ultrasound-guided core biopsy is a minimally invasive technique able to identify lymphoma accompanying Sjögren syndrome, neoplasms or infiltrative diseases, with less complications compared to open biopsy. With these images, we aim to describe the ultrasound-guided core biopsy procedure, in a female patient with rheumatoid arthritis who presented evident inhomogeneity of the parotid gland. The procedure was performed by rheumatologists, trained in ultrasonography of the salivary glands, demonstrating that ultrasound-guided core biopsy is an easy and safe method to obtain salivary gland tissue.

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OBJECTIVES: Characterization of sociodemographic and clinical aspects of patients admitted to the Orthopedic Department (OD) after observation in the Emergency Room (ER) with the diagnosis of septic arthritis (SA). MATERIAL AND METHODS: A retrospective, monocentric, cross-sectional study was conducted. Sociodemographic and clinical data on patients admitted to the OD with suspected SA between April 2014 and September 2019 were collected. RESULTS: One-hundred and ten patients were included. In the overall sample, most patients were male (n=61; 55.5%) with a median age of 70 (IQR=20) years old. Thirty-six patients (32.7%) had a previous history of hyperuricemia or gout, or had this diagnosis established at the time of their hospital admission. Monoarthritis was the most common form of presentation (n=106; 96.4%), with the knee being the most frequently involved joint (n=60; 54.5%). S. aureus was the most representative microorganism in synovial fluid (SF) cultures (n=33; 30.6%). SF cultures did not allow the identification of a causative microorganism in 53 cases submitted to arthrotomy (50.5%). Serum C-reactive protein (CRP) was a predictive factor for microorganism identification in SF cultures, with values ≥ 17.6 mg/dl presenting a sensibility and specificity of 60.8% and 77.4%, respectively [CI 95% (0.52 - 0.80)]. Patients with a diagnosis of hyperuricemia or gout presented a higher risk for a negative SF culture result (OR = 4.7 [CI 95% =1.9 - 11.5]). CONCLUSIONS: Elderly subjects with multiple comorbidities, namely cardiovascular risk factors, seem more prone to SA. Serum CRP appears to be a predictive factor for the identification of a causative microorganism. The higher risk of a negative SF culture in patients with hyperuricemia or gout should alert us for the possibility of misdiagnosis of SA in patients with an acute gout attack.

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The study was conducted in order to investigate adherence in patients with Rheumatoid arthritis (RA), correlating it with other variables such as affect and self-esteem. Seventy-eight patients with RA between 20 and 81 years of age were evaluated. Patients were assessed for Medical Outcomes Study (MOS) Measures of Patient Adherence, Rosenberg self-esteem scale and Short Portuguese version of the Positive and Negative Affect Schedule (PANAS). Pearson's correlation coefficient was used to assess the correlation between the therapeutic compliance and age, disease activity, disability, GPA, self-esteem, affect and inflammatory parameters. An independent T-test was used to evaluate differences in adherence within gender. The one-way analysis of variance (ANOVA) was used to determine associations between adherence and marital status, education level and employment status. A linear regression model was adjusted with stepwise data entry to determine predictors of therapeutic compliance. Patients had a mean age of 57 years and disease duration of 12.8 years. We observed higher levels of adherence in patients with higher self-esteem (r= 0.343, p<0.05) and positive affect (r= 0.345, p<0.01). The adjusted linear regression model allowed the identification of positive affect as a RA patient's adherence predictor (R = 0.347, p<0.05). In our study, high levels of self-reported adherence in RA patients were found. Positive affect seems to be an important determinant of therapeutic adherence in RA patients. These results suggest a relevant role of psychosocial aspects in therapeutic compliance and outcome, which should alert physicians to the need of an holistic approach of the patient.

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Systemic sclerosis is a connective tissue disease characterized by a complex pathogenesis and a multi organ involvement of unknown etiology. Genetic features and environmental factors, as the use of some drugs, influence the onset of the clinical picture. The authors describe a case of a patient who developed systemic sclerosis after treatment of melanoma with interferon alfa-2b, drug rarely implicated in the induction of this disease.

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Objective To compare outcomes in psoriatic arthritis (PsA) patients initiating adalimumab (ADA), with short- and long-term disease duration and to evaluate the potential effect of concomitant conventional synthetic disease-modifying antirheumatic drugs (csDMARD) or glucocorticoids. Methods Analyses included adult PsA patients registered in the Rheumatic Diseases Portuguese Register (Reuma.pt) between June 2008-June 2016 who received ADA for ≥3 months. Psoriatic Arthritis Response Criteria (PsARC) response, tender and swollen joint count, inflammatory parameters, patient (PtGA) and physician global assessment (PhGA), Disease Activity Score-28 joints (DAS28), and Health Assessment Questionnaire Disability Index (HAQ-DI) were compared between patients with <5 years of disease (early PsA) and those with ≥5 years of disease duration (late PsA). Time to achieving PsARC response was estimated using the Kaplan-Meier method. Results Of 135 PsA patients treated with ADA, 126 had information on disease duration (earlyPsA, n=41). PsARC response was achieved by 72.9% of the patients (88.0% early PsA vs 62.2% late PsA; P=0.022) after 3 months and by 85.4% after 24 months (100% early PsA vs 75.9% late PsA; P=0.044). Early PsA patients achieved significantly less painful joints (2.7 vs 6.7, p=0.006), lower mean C-reactive protein (0.5 mg/dL vs 1.3 mg/dL; P=0.011), and PhGA (18.3 vs 28.1; P=0.020) at 3 months. In the long term, early PsA patients also had fewer swollen joints (0.3 vs 1.7; P=0.030) and lower PhGA (6.3 vs 21.9; P<0.001), C-reactive protein (0.4 mg/dL vs 1.0 mg/dL; P=0.026), and DAS28 (2.2 vs 3.2; P=0.030). HAQ-DI decreased in both groups reaching a mean value at 24 months of 0.4 and 0.8 (P=ns) in early and late PsA, respectively. Early PsA patients obtained PsARC response more rapidly than late PsA (3.8 and 7.4 months, respectively; P=0.008). Concomitant csDMARDs showed clinical benefit (2-year PsARC response, 88.3% vs 60.0%; P=0.044). Concomitant glucocorticoids had no effect on PsARC response over 2 years of follow-up. Persistence on ADA was similar in both groups. Conclusion Early PsA patients had a greater chance of improvement after ADA therapy and better functional outcome, and achieved PsARC response more rapidly than late PsA. In this cohort, comedication with csDMARDs was beneficial over 2 years.

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