Search for: rheumatoid arthritis methotrexate autoimmune disease biomarker gene expression GWAS HLA genes non-HLA genes
ID | PMID | Title | PublicationDate | abstract |
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28716999 | Improving recognition of anxiety and depression in rheumatoid arthritis: a qualitative stu | 2017 Aug | BACKGROUND: Comorbid anxiety and depression are common in patients with rheumatoid arthritis (RA) but are often under-recognised and treated, contributing to worse outcomes. National Institute for Health and Care Excellence (NICE) recommends that patients with RA should be offered a holistic annual review, including an assessment of mood. AIM: To explore patients' perspectives of anxiety and depression in RA and preferences for disclosure and management of mood problems. DESIGN AND SETTING: Qualitative interview study with patients recruited from a nurse-led RA annual review clinic in the Midlands, England. METHOD: Patients attending the clinic who scored ≥3 on the case-finding questions (PHQ-2 and GAD-2) were invited for interview. Data were analysed thematically using principles of constant comparison. RESULTS: Participants recognised a connection between their RA and mood, though this was perceived variably. Some lacked candidacy for care, normalising their mood problems. Fear of stigmatisation, a lack of time, and the perception that clinicians prioritise physical over mental health problems recursively affected help-seeking. Good communication and continuity of care were perceived to be integral to disclosure of mood problems. Participants expressed a preference for psychological therapies, though they reported problems accessing care. Some perceived medication to be offered as a 'quick fix' and feared potential drug interactions. CONCLUSION: Prior experiences can lead patients with RA and comorbid anxiety and depression to feel they lack candidacy for care. Provision of equal priority to mental and physical health problems by GPs and improved continuity of care could help disclosure of mood concerns. Facilitation of access to psychological therapies could improve outcomes for both mental and physical health problems. | |
27564591 | Predicting Low Disease State and Remission in Early Rheumatoid Arthritis in the First Six | 2017 May | OBJECTIVE: To compare the European League Against Rheumatism (EULAR) and Simplified Disease Activity Index 50% (SDAI50) response measures (RMs) and their impact on future response to treatment in patients with early rheumatoid arthritis (ERA). METHODS: Biologic agent-naive ERA patients from the Canadian Early Arthritis Cohort study with complete data at baseline, 3, and 6 months were evaluated. Kappa statistics were used to evaluate the agreement between the EULAR (moderate or good response) and SDAI50 RMs. The RMs at 3 months were also compared for their ability to predict low disease activity state (LDAS) or remission (REM) at 6 months. RESULTS: A total of 1,124 patients were evaluated. Of those, 215 patients (30%) and 294 patients (45%) failed to achieve a EULAR and SDAI50 response, respectively. There was a good agreement between EULAR and SDAI50 RMs with a kappa of 0.59 (95% confidence interval 0.53-0.66). Throughout the range of disease activity, the SDAI50 response was shown to be more stringent than the EULAR response. Multivariable linear regression analysis demonstrated that both RMs at 3 months were associated with LDAS or REM at 6 months, and SDAI50 had a more significant impact on this outcome compared to the EULAR response. CONCLUSION: There is a good agreement between the EULAR and SDAI50 RMs. Although a minority of patients have discordant RMs at each end of the disease activity spectrum at baseline, the SDAI50 response at 3 months appears to be a more significant predictor of outcomes at 6 months than EULAR response. | |
27991741 | 4β-Hydroxycholesterol Level in Patients With Rheumatoid Arthritis Before vs. After Initia | 2017 Jan | Systemic inflammation has been linked to suppressed CYP3A(4) activity. We determined 4β-hydroxycholesterol (4βOHC), an endogenous CYP3A4 metabolite, in patients with rheumatoid arthritis (RA) before and after treatment with biological disease-modifying antirheumatic drugs (bDMARDs). The 4βOHC was compared in 41 patients before and 2-5 months after initiating TNFα inhibitors (n = 31), IL-6 inhibitors (n = 5), or B-cell inhibitors (n = 5). Correlations between 4βOHC and inflammatory markers (C-reactive protein (CRP) and erythrocyte sedimentation rate (ESR)) were also tested before and after bDMARDs. 4βOHC did not differ following bDMARD treatment (P = 0.6), nor in patients who started with IL-6 inhibitors (median 51.6 vs. 50.6 nmol/L). The 4βOHC and CRP/ESR did not correlate before treatment (P > 0.5), but correlated significantly after bDMARDs (CRP = Spearman r -0.40; P < 0.01; ESR = r -0.34; P = 0.028) suggesting that mainly non-CYP3A4-suppressive cytokines were reduced during treatment. Thus, this study does not support a generally regained CYP3A4 phenotype in patients with RA following initiation of bDMARDs. | |
28324153 | Epigenetics in the pathogenesis of RA. | 2017 Jun | Epigenetic modifications can stably alter gene expression and have been shown to be important in the maintenance of cell type-specific functions as well as in cell differentiation, e.g., in T and B cell maturation. In RA, alterations in DNA methylation, histone modifications, and microRNA expression have been found in immune as well as in stromal cells. These changes in the epigenome in RA patients influence key inflammatory and matrix-degrading pathways and are suspected to play a major role in the pathogenesis of RA. In this manuscript, we explain the basic mechanisms of epigenetics, review studies that analyzed epigenetic changes in RA, and assess their potential as therapeutic targets. | |
26200759 | Increased disease activity, severity and autoantibody positivity in rheumatoid arthritis p | 2017 Dec | AIM: Patients with rheumatoid arthritis (RA) and co-existent bronchiectasis (BRRA) have a five-fold increased mortality compared to rheumatoid arthritis alone. Yet previous studies have found no difference in clinical and serological markers of RA disease severity between BRRA patients and RA alone. However, RA disease activity measures such as Disease Activity Score of 28 joints - C-reactive protein (DAS28-CRP) and anti-cyclic citrullinated peptide antibodies (anti-CCP) have not been studied, so we assessed these parameters in patients with BRRA and RA alone. METHODS: BRRA patients (n = 53) had high-resolution computed tomography proven bronchiectasis without any interstitial lung disease and ≥ 2 respiratory infections/year. RA alone patients (n = 50) had no clinical or radiological evidence of lung disease. DAS28-CRP, rheumatoid factor (immunoglobulin M) and anti-CCP were measured in all patients, together with detailed clinical and radiology records. RESULTS: In BRRA, bronchiectasis predated RA in 58% of patients. BRRA patients had higher DAS28 scores (3.51 vs. 2.59), higher levels of anti-CCP (89% vs. 46%) and rheumatoid factor (79% vs. 52%) (P = 0.003) compared to RA alone. Where hand and foot radiology findings were recorded, 29/37 BRRA (78%) and 13/30 (43%) RA alone had evidence of erosive change (P = 0.003). There were no significant differences between groups in smoking history or disease-modifying anti-rheumatic drug/biologic therapy. CONCLUSIONS: Increased levels of RA disease activity, severity and RA autoantibodies are demonstrated in patients with RA and co-existent bronchiectasis compared to patients with RA alone, despite lower tobacco exposure. This study demonstrates that BRRA is a more severe systemic disease than RA alone. | |
27863180 | Underuse of Methotrexate in the Treatment of Rheumatoid Arthritis: A National Analysis of | 2017 Jun | OBJECTIVE: Methotrexate (MTX) is the anchor drug in the treatment of rheumatoid arthritis (RA) due to its effectiveness, tolerability, and cost. This study examines MTX prescribing practices in the US from 2009 to 2014. METHODS: Symphony Health Solutions, which covers 274 million patients in the US, was used to identify patients diagnosed with RA who were naive to MTX in 2009 and 2012. Data were collected, including medication use and doses, demographics, and medical comorbidities. RESULTS: Of the patients who had 5-year followup data available, oral MTX was started in 35,640 in 2009, and 44% continued taking this dose during the followup. Of the 20,041 patients who changed therapy during the study period, 87% had the addition of or switched to a biologic agent, while 13% were changed from oral to subcutaneous (SC) MTX. The mean oral dose prior to the start of a biologic agent was 15.3 ± 5 mg/week. A comparison of 2009 with 2012 showed a modest increase in the mean dose of oral MTX from 15.3 mg/week to 15.9 mg/week, as well as a small but statistically significant (P < 0.0001) increase in the use of SC MTX after failure of oral MTX from 13% to 16% of patients. CONCLUSION: MTX is underutilized in the treatment of RA with suboptimal dosing, inadequate duration of therapy, and failure to use SC administration. The comparison of MTX use between the 2009 and the 2012 cohorts demonstrates only a marginal increase in the dose of oral MTX and the use of SC MTX. | |
28840387 | Systematic and progressive implementation of the centers of excellence for rheumatoid arth | 2017 Dec | The implementation of excellence centers in specific diseases has been gaining recognition in the field of health; specifically in rheumatoid arthritis, where the prognosis of the disease is related to an early diagnosis and a timely intervention, it is necessary that the provision of health services is developed in an environment of quality, opportunity, and safety with the highest standards of care. A methodology that allows this implementation in such a way that is achievable by the most of the care centers is a priority to achieve a better attention to populations with this disease. In this paper, we propose a systematic and progressive methodology that will help all the institutions to develop successful models without faltering in the process. The expected impact on public health is defined by a better effective coverage of high-quality treatments, obtaining better health outcomes with safety and accessibility that reduces the budgetary impact for the health systems of our countries. | |
26962132 | 'It might hurt, but still it's good': People with rheumatoid arthritis beliefs and expecta | 2017 Nov | Many people who have rheumatoid arthritis report low levels of physical activity. We conducted 17 interviews with people who have rheumatoid arthritis to gain insight into how they view physical activity and to explore how their levels of activity may be increased. Interviews were transcribed verbatim and analysed using thematic analysis. Four main themes were generated: being active, barriers and facilitators, information and advice, and supporting physical activity. A lack of information about being active fostered negative emotions limiting physical activity participation. Improved provision of physical activity advice is warranted to promote physical activity in people who have rheumatoid arthritis. | |
28901842 | Rheumatoid granulomatous disease and pachymeningitis successfully treated with rituximab. | 2018 Aug | Granulomatous disease and pachymeningitis rarely occur in rheumatoid arthritis patients and confer a challenging differential diagnosis. Our patient, treated with a tumor necrosis factor alpha inhibitor, presented with meningitis and diffuse granulomatous adenopathies. Opportunistic infections and malignancy were excluded after confirmation of negative broath serologic, molecular analysis, and negative cytology. Because of the time frame and the clinical presentation, this case was considered as a rare systemic manifestation of RA. He was treated with rituximab with beneficial clinical evolution. This case offers an excellent opportunity to focus on the diagnostic and therapeutic approach in pachymeningitis and granulomatous disease in rheumatoid arthritis patients. | |
29870649 | Nerve conduction study and gastrocnemius H reflex response in rheumatoid arthritis. | 2017 Nov 30 | BACKGROUND AND PURPOSE: We aimed to evaluate nerve conduction studies and gastrocnemius H reflex responses in rheumatoid arthritis (RA) patients and compared to the healthy adult subjects. METHODS: Twenty-six RA patients and twenty-two healthy adult subjects were included in the study. The nerve conduction study (NCS) findings and bilateral gastrocnemius H reflex responses were evaluated in all the groups. Age, gender, subcutaneous nodules, joint deformities, laboratory parameters, duration of disease, anti-rheumatic drug and steroid usage were recorded. Activity of disease was assessed using a 28-joint disease activity score (DAS28).The functional status was measured using the health assessment questionnaire (HAQ), pain intensity measured using a visual analog scale (VAS). RESULTS: The rate of electroneuromyographic (ENMG) abnormalities was 73% in RA patients. The most common diagnosis was carpal tunnel syndrome (61.4%). There were no significant correlations between ENMG findings and clinical and laboratory features evaluated. Right H reflex latencies were statistically longer in RA patients (p=0.03). According to calculated cut-off levels, there were more subjects with longer H reflex latencies in RA patients. CONCLUSION: In this study, entrapment neuropathies were found common as independent identity from duration and severity of disease in RA patients. For H reflex latencies, cut-off values were longer in RA patients. It may provide information about the early neuropathic involvement of long peripheral nerves in RA patients. But this findings are needed to be supported by larger population study. | |
27885849 | DNA methylation at diagnosis is associated with response to disease-modifying drugs in ear | 2017 Apr | AIM: A proof-of-concept study to explore whether DNA methylation at first diagnosis is associated with response to disease-modifying antirheumatic drugs (DMARDs) in patients with early rheumatoid arthritis (RA). PATIENTS & METHODS: DNA methylation was quantified in T-lymphocytes from 46 treatment-naive patients using HumanMethylation450 BeadChips. Treatment response was determined in 6 months using the European League Against Rheumatism (EULAR) response criteria. RESULTS: Initial filtering identified 21 cytosine-phosphate-guanines (CpGs) that were differentially methylated between responders and nonresponders. After conservative adjustment for multiple testing, six sites remained statistically significant, of which four showed high sensitivity and/or specificity (≥75%) for response to treatment. Moreover, methylation at two sites in combination was the strongest factor associated with response (80.0% sensitivity, 90.9% specificity, AUC 0.85). CONCLUSION: DNA methylation at diagnosis is associated with disease-modifying antirheumatic drug treatment response in early RA. | |
28704564 | Poor clinical response in rheumatoid arthritis is the main risk factor for diabetes develo | 2017 | OBJECTIVES: Despite of the European League Against Rheumatism (EULAR) provided different sets of recommendations for the management of cardiovascular risk in inflammatory arthritis patients, it must be pointed out that cardiometabolic comorbidity, such as type 2 diabetes (T2D), remains still underdiagnosed and undertreated in patients affected by rheumatoid arthritis (RA). METHODS: In this work, we designed a single centre, prospective study in order to better investigate the occurrence of T2D during the course of 1 year of follow-up. Furthermore, we evaluated the role of both traditional cardiovascular and RA-specific related risk factors to predict the occurrence of new T2D. RESULTS: In this study, we evaluated 439 consecutive RA patients and we observed that 7.1% of our patients (31/439) developed T2D, after 12 month of prospective follow-up. The regression analysis showed that the presence of high blood pressure, the impaired fasting glucose (IFG) at the first observation and the poor EULAR-DAS28 response, after 12 months of follow-up, were significantly associated with an increased likelihood of being classified as T2D. Similarly, we observed that 7.7% of our patients (34/439) showed IFG after 12 months of prospective follow-up. The regression analysis showed that the presence of high blood pressure and the poor EULAR-DAS28 response after 12 months of follow-up, were significantly associated with an increased likelihood of showing IFG. CONCLUSIONS: Our study supports the hypothesis of a significant short-term risk of T2D in RA patients and of a close associations between uncontrolled disease activity and glucose metabolism derangement. Further multicentre, randomised-controlled studies are surely needed in order to elucidate these findings and to better ascertain the possible contribution of different therapeutic regimens to reduce this risk. | |
28933133 | The effect of nerve mobilization exercise in patients with rheumatoid arthritis: a pilot s | 2017 Sep 21 | Rheumatoid arthritis (RA) is an autoimmune disorder characterized by chronic inflammation of the joints. The neurogenic inflammatory mechanism plays an important role in the inflammatory process of RA, and pathological changes in neural tissues in RA have also been noted. We aim to investigate treatment of the nervous system to relieve joint pain and inflammation in RA. Nerve mobilization, a nervous system-specific therapeutic exercise, was applied on RA patients to determine the effect of nerve mobilization on joint inflammation. Twelve RA patients were recruited from the community and were randomised into an experimental and a control group. In the experimental group, the subjects were taught a set of nerve mobilization exercises while the subjects in the control group were taught a set of gentle joint mobilization exercises. Both groups were instructed to practice the exercises daily. After a 4-week period, their RA pain scale (RAPS) and pain scores were examined, as well as the C-reactive protein (CRP) and erythrocyte sedimentation rate (ESR). Subjects in the experimental group showed improvements in RAPS and pain scores after 4 weeks of nerve mobilization exercises, while CRP and ESR values remained unaffected. These preliminary data showed that nerve mobilization exercises might be beneficial in controlling joint pain in RA patients. | |
28968703 | Improved flare and remission pattern in rheumatoid arthritis over recent decades: a popula | 2017 Dec 1 | OBJECTIVE: To assess trends in the occurrence of flares and remission in RA over recent decades. METHODS: A retrospective medical records review of each clinical visit was performed in a population-based cohort of patients with RA (age ⩾30 years; 1987 ACR criteria met in 1988-2007) to estimate flare and remission status. RA flare was defined as any worsening of RA activity leading to an initiation, change or increase of therapy (OMERACT 9). The primary definition for remission required the absence of RA disease activity (i.e. tender joint count 0, swollen joint count 0 and ESR ⩽10 mm/h) (OMERACT 7). All subjects were followed until death, migration or 1 July 2012. RESULTS: The study included 650 RA patients (mean age 55.8 years; 69% female) with a mean follow up of 10.3 years. Patients were flaring at 2887 (17%) visits. There was a significant decline in the RA flare rate across disease duration (P < 0.001), predominantly in the first 5 years after diagnosis of RA. Patients diagnosed with RA in more recent years experienced fewer flares during first few years of RA (P < 0.001). There was no difference between the sexes in trends of flare rates over time (P = 0.42) Current smokers had higher flare rates than non-smokers (P = 0.047) and former smokers were not different from non-smokers (P = 0.87). CONCLUSION: Patients diagnosed in more recent years have lower flare rates than those diagnosed in prior decades. Flare rates declined fastest in the first 5 years of disease and tended to be stable thereafter. Current smoking was associated with an adverse flare profile. | |
27782866 | Increased mortality of incident rheumatoid arthritis versus matched non-RA control subject | 2017 Mar | OBJECTIVES: This study aimed to critically investigate all-cause and major-cause mortality of incident rheumatoid arthritis (RA) cases versus matched non-RA comparison (CN) subjects in a long-term prospective cohort. METHODS: Baseline 1974 cohort entry demographic and serum biomarker data on 54 incident RA patients and 216 matched CN subjects were related to their mortality from 1995 through 2015. Mortality of RA patients was also analysed by 3 categories of course responses to therapy assigned by the sole community rheumatologist in 1995 (19 good, 23 fair, and 12 limited). Cox proportional hazards regression models including baseline covariates were used to determine survival from all-causes, cardiovascular disease (CVD), respiratory-related, malignancies, and other causes of death (CODs). RESULTS: Total deaths occurred in 38 (70.4 percent) of 54 RA and 102 (47.7 percent) of 216 CN (p=0.003). Total mortality remained greater (p=0.011) in RA versus CN subjects after adjustment for baseline demographic covariates (HR= 1.66, 95% CI 1.12-2.46). Respiratory-related CODs were also greater (p=0.047) in RA versus CN (HR= 2.69, 95% CI 1.02-7.14) subjects. The RA patients' responses to therapy in 1995 significantly (p=0.004) predicted total mortality. Baseline serum immunological and steroid biomarkers independently predicted total, CVD, and other and unknown CODs. Pre-clinical (1974) ranked biomarker z-score values (1 = lowest, 5 = highest) within matched sets of 1 RA and 4 CN study subjects independently associated with mortality from 1995 through 2015, for both total (CRP, p=0.028 and sIL-2Rα, p=0.030) and CVD (CRP, p=0.005 and sTNF-R1, p=0.003) deaths. CONCLUSIONS: Total mortality and respiratory-related CODs were greater in incident RA versus CN subjects. The 35 RA cases who had fair or limited course responses to rheumatologist's therapy had greater mortality than their matched CN, whereas the 19 good RA responders had equivalent survival to CN subjects. The independent CRP and sTNF-R1 biomarker associations with CVD deaths were enhanced by a gradient of their dichotomous z-score values in survival models. | |
28263098 | Type-III interferons and rheumatoid arthritis: Correlation between interferon lambda 1 (in | 2017 Mar | AIM: To assess serum type III or lambda (λ) interferons (IFN) levels and its clinical and laboratory associations in rheumatoid arthritis (RA). METHODS: A cross-sectional study including 43 patients with RA (86% females; age 45.3 ± 10.3 years) and 43 healthy individuals was performed. Clinical data including disease activity, acute-phase reactants, rheumatoid factor and anticyclic citrullinated peptide (anti-CCP) antibodies were collected. Serum IFNλ1, IFNλ2, IFNλ3, CXCL8 and anti-mutated citrullinated vimentin (anti-MCV) antibody levels were measured. RESULTS: Patients with RA had higher IFNλ1 (113.5 ± 118.6 pg/mL versus 55.9 ± 122.3 pg/mL; p < 0.0001) and IFNλ2 (245.4 ± 327.7 pg/mL versus 5.1 ± 11.0 pg/mL; p = 0.009) levels than controls, but not IFNλ3 levels. Notably, IFNλ1 levels were found to be higher in both patients with active disease (124.9 ± 135.9 pg/mL; p < 0.001) and quiescent disease (99.0 ± 93.7 pg/mL; p < 0.01), while IFNλ2 levels were higher only in patients with active disease (264.0 ± 356.1 pg/mL; p = 0.02). A noteworthy association between serum IFNλ1 levels and anti-MCV antibody titers (Spearman's rho coefficient 0.36, 95% CI 0.36 to 0.61; p = 0.02) was observed. CONCLUSION: Serum IFNλ1 and IFNλ2 levels are abnormally elevated in patients with RA and the former are linearly associated with circulating anti-MCV antibody levels. These results may place type-III IFN as an attractive new therapeutic target in RA. | |
29202861 | The McMaster Toronto Arthritis patient preference questionnaire (MACTAR): a methodological | 2017 Dec 4 | OBJECTIVES: The McMaster Toronto Arthritis patient preference questionnaire (MACTAR) is a semi-structured interview consisting of a baseline and a follow-up interview. The MACTAR baseline is reliable and valid, however the reliability of the MACTAR follow-up is scarcely described. The aim of this study was to describe aspects of reliability and ability to detect changes of the Swedish MACTAR follow-up following acupuncture treatment in individuals with rheumatoid arthritis. RESULTS: The study was of Single Subject Experimental Design, with a 2-week non-interventional A-phase and a 6-week intervention B-phase. Eight individuals with RA, age 30-68Â years, were included. MACTAR baseline was performed once followed by five assessments with MACTAR follow-up during the A-phase and another ten assessments during the B-phase. Reliability statistics were calculated for measurements 1-3 during the A-phase and the ability to detect effects of acupuncture treatment was tested by celeration lines in the B-phase. The MACTAR follow-up was highly reliable (ICCÂ =Â 0.7-0.9, SEMÂ =Â 2.3-4.3, and SDDÂ =Â 6.2-11.7). Visual and statistical analyses indicated that the MACTAR follow-up could detect effects on individual- and group levels after acupuncture treatment, indicating that the MACTAR follow-up seems to be reliable and is able to detect effects of acupuncture treatment in RA. | |
29221496 | Does intensive management improve remission rates in patients with intermediate rheumatoid | 2017 Dec 8 | BACKGROUND: Uncontrolled active rheumatoid arthritis can lead to increasing disability and reduced quality of life over time. 'Treating to target' has been shown to be effective in active established disease and also in early disease. However, there is a lack of nationally agreed treatment protocols for patients with established rheumatoid arthritis who have intermediate disease activity. This trial is designed to investigate whether intensive management of disease leads to a greater number of remissions at 12Â months. Levels of disability and quality of life, and acceptability and cost-effectiveness of the intervention will also be examined. METHODS: The trial is a 12-month, pragmatic, randomised, open-label, two-arm, parallel-group, multicentre trial undertaken at specialist rheumatology centres across England. Three hundred and ninety-eight patients with established rheumatoid arthritis will be recruited. They will currently have intermediate disease activity (disease activity score for 28 joints assessed using an erythrocyte sedimentation rate of 3.2 to 5.1 with at least three active joints) and will be taking at least one disease-modifying anti-rheumatic drug. Participants will be randomly selected to receive intensive management or standard care. Intensive management will involve monthly clinical reviews with a specialist health practitioner, where drug treatment will be optimised and an individualised treatment support programme delivered based on several principles of motivational interviewing to address identified problem areas, such as pain, fatigue and adherence. Standard care will follow standard local pathways and will be in line with current English guidelines from the National Institute for Health and Clinical Excellence. Patients will be assessed initially and at 6 and 12Â months through self-completed questionnaires and clinical evaluation. DISCUSSION: The trial will establish whether the known benefits of intensive treatment strategies in active rheumatoid arthritis are also seen in patients with established rheumatoid arthritis who have moderately active disease. It will evaluate both the clinical and cost-effectiveness of intensive treatment. TRIAL REGISTRATION: Current Controlled Trials, ID: ISRCTN70160382 . Registered on 16 January 2014. | |
26717269 | Evaluation of the Choroid, Fovea, and Retinal Nerve Fiber Layer in Patients with Rheumatoi | 2017 Apr | PURPOSE: To evaluate the effect of rheumatoid arthritis (RA) on choroid, retinal nerve fiber layer (RNFL), and foveal thickness using spectral domain optical coherence tomography (OCT). METHODS: Fifty patients with RA and forty-one healthy volunteers were enrolled in this study. The subfoveal, perifoveal choroidal, RNFL, and foveal thicknesses were measured by spectral domain OCT. RESULTS: The mean subfoveal, nasal, and temporal choroidal thicknesses in RA individuals were significantly higher than those in the control group (p ˂ 0.05). However, there was no significant difference between the RA and healthy group regarding RNFL and foveal thickness (p ˃ 0.05). A significant correlation was found between rheumatoid factor (RF) and the subfoveal temporal choroidal thickness. CONCLUSION: Choroidal thickness in RA patients was higher than that in healthy participants. Choroidal thickening showed a positive correlation with RF, which may be an indicator for systemic vasculitis. | |
29174015 | Effect of statin therapy on the prevention of new-onset acute coronary syndrome in patient | 2018 Feb 15 | BACKGROUND: The aim of this study is to investigate whether statin therapy can reduce new-onset acute coronary syndrome (ACS) in patients with rheumatoid arthritis (RA). METHODS: We used a database from the Registry for Catastrophic Illness from the National Health Research Institute (NHRI) in Taiwan. All RA patients aged 18 or older, diagnosed between 1995 and 2013, without previous cardiovascular events were included. We divided participants into quartiles according to the accumulated statin equivalent dosage and tertiles of period of days of statin treatment to examine the possible dose-response effect. To avoid confounding effects, a 1:4 propensity score matching and Cox's proportional hazard regression models were applied to estimate the hazard ratios for ACS events in patients with and without statin use. RESULTS: Total 49,227 patients were included and PS matching identified 5483 patients receiving statins and 21,932 who did not. RA patients treated with statins had lower incidence of first ACS event (IRR 0.779, 95% CI: 0.654-0.927, p=0.005) after PS matching. Statin therapy is associated with reduced risk of new ACS before PS matching (HR=0.847, 95% CI: 0.737-0.973, p=0.019) and the beneficial effect is correlated with accumulated dose and therapy duration (HRs from Q1 to Q4 are 1.215, 0.825, 0.716 and 0.611, p<0.001 for trend; HRs from T1 to T3 are 1.100, 0.841 and 0.611, p<0.001 for trend). These results remained robust after propensity matching. Comparison between 6 different statins, rosuvastatin seems to be associated with better outcome on ACS primary prevention after excluding participants taking more than one kind of statin. CONCLUSIONS: Our study demonstrated that statin therapy is associated with lower event rate of new-onset ACS in RA patients and the beneficial effect is dose-responsive. |