BMC Rheumatology最新文献

{"title":"Correlations among quality of life, spinal mobility, and disease activity in early-treated axial spondyloarthritis: a single-center cross-sectional study.","authors":"Tinh Khampaen, Thanuchporn Kafaksom, Nichapa Dechapaphapitak, Nattakirana Tongdee, Parawee Chevaisrakul","doi":"10.1186/s41927-024-00426-2","DOIUrl":"https://doi.org/10.1186/s41927-024-00426-2","url":null,"abstract":"<p><strong>Background: </strong>Axial spondyloarthritis (axSpA) significantly impacts patients' lives. The ASAS-OMERACT guideline was formulated for the multidimensional evaluation of axSpA patients, employing a specific set of tools. Given the pivotal role of patient perception, comprehensive correlation among these tools, especially concerning quality of life, may provide a clinically relevant perspective and enhance treatment efficacy in the early stages of the disease. This study aims to investigate the correlation among disease activity, functional ability, and quality of life in early-treated axSpA patients. In addition, the association between high disease activity and clinical characteristics was explored.</p><p><strong>Methods: </strong>This cross-sectional study was conducted in a tertiary hospital in Thailand. Patients diagnosed with axSpA according to ASAS classification criteria and receiving treatment from rheumatologists within three years of onset of symptoms were included. Clinical and laboratory data were retrieved from a hospital database. Disease activity was assessed using the Ankylosing Spondylitis Disease Activity Score with ESR or CRP (ASDAS-ESR/CRP) and Bath Ankylosing Spondylitis Disease Activity Index (BASDAI). Spinal mobility was measured using the Bath Ankylosing Spondylitis Metrology Index (BASMI), while quality of life and function were evaluated using the ASAS Health Index (ASAS-HI) and Bath Ankylosing Spondylitis Functional Index (BASFI), respectively. The correlation between these measurements was analyzed using the Pearson correlation coefficient (r). Additionally, factors associated with high disease activity (ASDAS/CRP > 2.1) were explored using multivariate regression analysis.</p><p><strong>Results: </strong>Sixty-six patients (41 males; mean age 49.3 ± 13.3 years) were enrolled between April to December 2022. Disease activity (ASDAS-CRP) was significantly inversely correlated with spinal mobility (BASMI), function (BASFI), and quality of life (ASAS-HI). High disease activity was associated with obesity (BMI ≥ 30 kg/m^2) and a longer duration of symptoms before treatment (≥ 2 years).</p><p><strong>Conclusion: </strong>In early-treated axSpA patients, ASDAS-CRP showed significant correlations with functional ability, quality of life, and spinal mobility. High disease activity was associated with obesity and a longer pre-treatment symptom duration in our study. Early treatment may enhance patients' function, mobility, and quality of life, with weight reduction being possibly beneficial for obese axSpA patients.</p><p><strong>Clinical trial number: </strong>Not applicable.</p>","PeriodicalId":9150,"journal":{"name":"BMC Rheumatology","volume":"8 1","pages":"54"},"PeriodicalIF":2.1,"publicationDate":"2024-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11481462/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142458044","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Reproductive health and rheumatoid arthritis.","authors":"Mohammad Erfan Ranjbaran, Maryam Kazemi","doi":"10.1186/s41927-024-00429-z","DOIUrl":"https://doi.org/10.1186/s41927-024-00429-z","url":null,"abstract":"<p><strong>Introduction: </strong>The prevalence of Rheumatoid Arthritis (RA) has been steadily increasing over the last thirty years, particularly among women. Due to the conflicting results of various studies on the link between rheumatoid arthritis and reproductive health, we have undertaken this study to explore their relationship.</p><p><strong>Methods: </strong>This cross-sectional study utilized primary data from5557 women involved in the Fasa Persian Cohort in the years 2013 to 2018. The study examined the frequency of RA and its association with various factors related to reproductive health, including age at first pregnancy, number of alive children, history of abortion, and infertility. SPSS software was utilized for data analysis, with the significance level set at p < 0.05.</p><p><strong>Results: </strong>5557 women with an average age of 48.6 ± 9.5 years participated. Of these women, 7.2% were diagnosed with rheumatoid disease, with an average onset age of 38.2 ± 15.2. The study did not find a significant correlation between RA and factors such as number of pregnancies, age at first pregnancy, duration of breastfeeding and number of children.</p><p><strong>Conclusion: </strong>The study suggests that the experience of RA is independent of gynecological, obstetric factors, or reproductive life. This finding may provide reassurance to women affected by RA.</p>","PeriodicalId":9150,"journal":{"name":"BMC Rheumatology","volume":"8 1","pages":"53"},"PeriodicalIF":2.1,"publicationDate":"2024-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11475594/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142458045","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Survey self-report of rheumatoid arthritis and treatments versus specialist clinician confirmation.","authors":"Shamil Jugnundan, Gabriela Schmajuk, Laura Trupin, Paul D Blanc","doi":"10.1186/s41927-024-00425-3","DOIUrl":"10.1186/s41927-024-00425-3","url":null,"abstract":"<p><strong>Objective: </strong>To assess agreement between patient survey report and physician recorded arthritic conditions and medication use in order to validate population-based epidemiologic approaches to auto-immune arthritic conditions.</p><p><strong>Methods: </strong>Rheumatologists in the U.S. Appalachian region recruited men 50 years or older with a confirmed rheumatoid arthritis (RA) diagnosis. For each participating patient, the treating specialist completed a brief chart abstraction that included rheumatic diagnosis and corresponding treatment. Patients participated in a telephone interview using the same questionnaire as applied in a larger random digit dial survey that queried arthritis diagnosis and treatment. We assessed patient-clinician agreement with the Prevalence Adjusted and Biased Adjusted Kappa (PABAK) statistic.</p><p><strong>Results: </strong>We included 36 patient-clinician dyads in this analysis. All clinicians and patients concurred in the RA diagnosis (PABAK = 1). For concomitant systemic lupus and scleroderma, we observed generally concordant responses (PABAK 0.89 and 1, respectively). For medication use, for hydroxychloroquine or sulfasalazine was associated with the lowest PABAK (0.39), intermediate values for methotrexate and for the \"other conventional synthetic DMARDs\" category (0.67), and with the highest agreement PABAK value for the \"biologic DMARD or JAK 2 inhibitor\" category (0.89).</p><p><strong>Conclusion: </strong>Survey-based self-report of RA offers a useful approach in epidemiological investigation. This is particularly relevant to population-based approaches to autoimmune arthritis related to occupational and environmental factors.</p>","PeriodicalId":9150,"journal":{"name":"BMC Rheumatology","volume":"8 1","pages":"51"},"PeriodicalIF":2.1,"publicationDate":"2024-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11462809/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142387974","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Disabling foot pain and its impact on daily living among people with psoriatic arthritis in Singapore: a cross-sectional observational investigation.","authors":"Vanessa H Y Teo, Kai Li Chia, Catherine Bowen, Manjari Lahiri, Peter P M Cheung, Deborah E Turner, Kate Carter","doi":"10.1186/s41927-024-00409-3","DOIUrl":"10.1186/s41927-024-00409-3","url":null,"abstract":"<p><strong>Background: </strong>Psoriatic Arthritis (PsA)-related foot involvement has been shown to have a profound impact on daily functioning, with most studies having focused on predominantly Caucasian populations. The aim was to describe disabling foot pain (DFP) and its impact on daily living in PsA in Singapore.</p><p><strong>Methods: </strong>A cross-sectional, retrospective study was conducted using clinical data collected during a single-visit to a rheumatology clinic in Singapore. Records for adults with physician-diagnosed PsA were reviewed for sociodemographic information, disease characteristics, global disease activity and burden. Foot-specific measures included clinical assessment and the Manchester Foot Pain and Disability Index used to define DFP and evaluate between-group differences.</p><p><strong>Results: </strong>Forty-two participants with PsA (83% female, 57% Chinese, 31% Malay, 9.5% Indian, mean (SD) age 54-years (16)) attended the rheumatology clinic over the study-period. The median (IQR) disease duration was 2-years (11) and all were taking current DMARDs. Global disease measures demonstrated mild-to-moderate global disease activity and mild functional impairment, and were significantly higher in those with DFP. Despite 90% reporting to be coping well with their condition, self-care and having emotional support (n = 38), this study sample demonstrated high levels of anxiety/depression (29%), sleep disturbance (34%) and fatigue (24%), and a lack of disease- and drug-specific knowledge (64%). Further management was indicated for medication adherence counselling (48%), occupational therapy (43%), physiotherapy (36%) and podiatry (30%). Nearly half had current foot pain with 40% reporting DFP (n = 17), which caused significantly greater difficulty walking 3 km than those without DFP (p < 0.05). Rearfoot enthesitis (plantar fasciitis, Achilles enthesitis) was the most common cause of DFP (67%) with pain lasting longer than 1-year. 72% were overweight or obese, with a high proportion not engaging in any cardiovascular exercise (70%). Three of 42 participants had previously seen a podiatrist.</p><p><strong>Conclusions: </strong>People with DFP in PsA experience more severe global disease activity, reduced mobility and higher levels of negative impact on their daily lives in Singapore. In the absence of working in a multidisciplinary-team, there is value in comprehensive assessments that have potential to capture a holistic view of personal impact and improve person-centred care in PsA.</p>","PeriodicalId":9150,"journal":{"name":"BMC Rheumatology","volume":"8 1","pages":"52"},"PeriodicalIF":2.1,"publicationDate":"2024-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11462968/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142387972","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Environmental pollution impact on the severity of some rheumatic diseases: a comparative analytical study on inflammatory and non-inflammatory samples.","authors":"Adel Elbeialy, Soaad El Sawy, Hala Elzomor, Rana Haddad","doi":"10.1186/s41927-024-00420-8","DOIUrl":"https://doi.org/10.1186/s41927-024-00420-8","url":null,"abstract":"<p><strong>Objective: </strong>Environmental pollution of heavy metals is increasingly a problem and has become of great concern due to the adverse effects it causes worldwide. Heavy metal exposure has been implicated in health problems, including fibromyalgia and rheumatoid arthritis. We aim to evaluate the rule of chronic heavy metals toxicity on the induction of vitamin D3 (VD) deficiency and parathyroid hormone (PTH) disturbances in an inflammatory disease like rheumatoid arthritis (RA) and non-inflammatory disease like fibromyalgia syndrome (FMS).</p><p><strong>Methods: </strong>This comparative analytical study was conducted on sixty adults (age ≥ 18 years). Participants were divided into three groups. Group I: twenty patients diagnosed with RA according to the specific ACR/EULAR criteria for RA. Group II: twenty patients diagnosed with FMS according to the specific 2010 (ACR) criteria for FMS. Group III: twenty healthy adults. All patients and controls were subjected to routine laboratory tests as well as the measurement of PTH, VD and estimation of serum levels of lead, cadmium, and chromium.</p><p><strong>Results: </strong>VD was significantly inversely correlated to PTH, lead, cadmium, chromium, and activity scores in the RA and FMS groups. Lead, Cadmium and Chromium had a significant independent risk on the VD level in RA patients, while lead had a significant independent risk on the VD level in FMS patients.</p><p><strong>Conclusion: </strong>Heavy metals may affect VD synthesis, leading to hypovitaminosis D and secondary hyperparathyroidism in RA and FMS patients. Heavy metals play a key role in the pathogenesis of RA, FMS, and their disease activity.</p>","PeriodicalId":9150,"journal":{"name":"BMC Rheumatology","volume":"8 1","pages":"50"},"PeriodicalIF":2.1,"publicationDate":"2024-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11460183/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142387973","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The potential role of fatigue in difficult-to-treat rheumatoid arthritis.","authors":"Leticia Leon, Dalifer Freites-Núñez, Alfredo Madrid, María Rodriguez-Mariblanca, Benjamín Fernandez-Gutierrez, Lydia Abasolo","doi":"10.1186/s41927-024-00423-5","DOIUrl":"10.1186/s41927-024-00423-5","url":null,"abstract":"<p><strong>Objectives: </strong>A subset of patients with rheumatoid arthritis (RA) who remains symptomatic after failing to multiple drugs are deemed to have \"difficult-to-treat RA\" (D2T RA). Fatigue is a burdensome symptom for RA patients, hindering their improvement. Our purpose was to evaluate the role of fatigue in D2T RA.</p><p><strong>Methods: </strong>This cross-sectional study included rheumatoid arthritis (RA) patients between 2018 and 2022, treated with biological agents or targeted synthetic disease-modifying antirheumatic drugs. D2T RA was defined attending EULAR criteria. Independent variable was fatigue (dimensions and impact) assessed by the Bristol Rheumatoid Arthritis Fatigue Multidimensional Questionnaire and Numerical Rating Scales. Covariables: sociodemographic, clinical and treatment. To identify factors independently associated to D2T RA, multivariable logistic regression was run.</p><p><strong>Results: </strong>The study included 145 patients and 38 (26.21%) developed D2T RA. D2T RA group were older, with more comorbidity and disability. D2T RA patients scored higher for global fatigue (p = 0.003), and almost for all their dimensions except for cognitive fatigue (p = 0.06) and fatigue coping (p = 0.07). Females with D2T RA showed more fatigue than those with non-D2T RA. In the adjusted models, all fatigue dimensions were associated with D2T RA: global fatigue RA (OR: 1.03; p = 0.007), physical (OR: 1.09; p = 0.008), living (OR: 1.09; p = 0.016), cognitive (OR: 1.1; p = 0.046) and emotional (OR: 1.18; p = 0.012).</p><p><strong>Conclusions: </strong>Despite the absence of an explicit mention of fatigue in the definition of D2T RA, it appears to be associated to this outcome. Fatigue should be evaluated in a multidimensional perspective, and gender-specific differences should be considered.</p>","PeriodicalId":9150,"journal":{"name":"BMC Rheumatology","volume":"8 1","pages":"49"},"PeriodicalIF":2.1,"publicationDate":"2024-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11440696/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142341695","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Menopausal state and rheumatoid arthritis: a systematic review and meta-analysis.","authors":"Negin Namavari, Mohammad Jokar, Arnoosh Ghodsian, Hossein Kargar Jahromi, Vahid Rahmanian","doi":"10.1186/s41927-024-00418-2","DOIUrl":"10.1186/s41927-024-00418-2","url":null,"abstract":"<p><strong>Background: </strong>Rheumatoid arthritis (RA) is a chronic inflammatory condition primarily affecting the joints. The higher prevalence of RA among females, combined with the known effects of sex hormones on immune function, has led researchers to investigate the potential relationship between menopausal status and the risk, severity, or progression of RA. This systematic review and meta-analysis aimed to determine the association between menopause and rheumatoid arthritis.</p><p><strong>Methods: </strong>In 2023, we conducted a comprehensive search across multiple databases, including Google Scholar, Scopus, PubMed/MEDLINE, Science Direct, Web of Science, EMBASE, Springer, and ProQuest. The search aimed to identify studies exploring the association between menopause and rheumatoid arthritis.</p><p><strong>Results: </strong>Our analysis revealed that post-menopausal women had a higher risk of developing rheumatoid arthritis compared to pre-menopausal women, with an estimated odds ratio of 1.35 (95% CI: 1.04-1.67). Additionally, women who experienced early menopause (defined as onset before age 45) showed significantly higher odds of developing RA, with an odds ratio of 2.97 (95% CI: 1.73-4.22).</p><p><strong>Conclusion: </strong>These findings highlight the importance of considering menopausal status when assessing the risk of RA development in women. The results suggest that post-menopausal women, particularly those who experience early menopause, may be at higher risk for developing RA. Further research in this area could provide valuable insights into potential preventive measures and targeted interventions for high-risk individuals.</p>","PeriodicalId":9150,"journal":{"name":"BMC Rheumatology","volume":"8 1","pages":"48"},"PeriodicalIF":2.1,"publicationDate":"2024-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11441135/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142341694","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Incidence of serious infection among etanercept and infliximab initiators: safety comparison between biosimilars and bio-originators with Canadian population-based data.","authors":"Marina G Birck, Luck Lukusa, Denis Choquette, Gilles Boire, Walter P Maksymowych, Harminder Singh, Waqqas Afif, Sasha Bernatsky","doi":"10.1186/s41927-024-00415-5","DOIUrl":"10.1186/s41927-024-00415-5","url":null,"abstract":"<p><strong>Background: </strong>Safety remains a significant concern for biologic drugs, and studies are needed to ensure a comparable safety profile for biosimilars and their legacy treatments. Using Canadian administrative health data from 2015-2019, we compared the incidence of serious infection between biosimilars and bio-originators initiators for etanercept and infliximab, two of the most commonly used biologics during this time.</p><p><strong>Methods: </strong>We performed a retrospective cohort study using pan-Canadian data (except Quebec) from the National Prescription Drug Utilization Information System linked to hospitalization data. We studied new users of infliximab or etanercept (January/2015-December/2019) and compared incidence rates of serious infection, defined as those which required hospitalization, by using Cox regression models adjusted by biological sex, age at treatment initiation, prior corticosteroid or biologic, province, and calendar year.</p><p><strong>Results: </strong>We studied 6,583 etanercept users (mean age 62) and 7,202 infliximab users (mean age 45). Hospitalization with infections occurred in 7% of infliximab and 2% of etanercept users. Comparing the risk of infection between biosimilar to bio-originator, the adjusted hazard ratio (95% confidence interval) was 1.33 (0.77, 2.30) for etanercept and 0.93 (0.72, 1.18) for infliximab.</p><p><strong>Conclusions: </strong>Our study found no clear difference between etanercept and infliximab biosimilars and their bio-originators for infection incidence, suggesting a similar safety profile.</p>","PeriodicalId":9150,"journal":{"name":"BMC Rheumatology","volume":"8 1","pages":"47"},"PeriodicalIF":2.1,"publicationDate":"2024-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11441163/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142341693","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Socioeconomic status, reserve capacity, and depressive symptoms predict pain in Rheumatoid Arthritis: an examination of the reserve capacity model.","authors":"Desiree R Azizoddin, Richard Olmstead, Kris-Ann Anderson, Alanna E Hirz, Michael R Irwin, Shadi Gholizadeh, Michael Weisman, Mariko Ishimori, Daniel Wallace, Perry Nicassio","doi":"10.1186/s41927-024-00416-4","DOIUrl":"10.1186/s41927-024-00416-4","url":null,"abstract":"<p><strong>Background: </strong>Guided by the reserve capacity model, we evaluated the unique relationships between socioeconomic status (SES), reserve capacity (helplessness, self-efficacy, social support), and negative emotions on pain in patients with Rheumatoid Arthritis (RA).</p><p><strong>Methods: </strong>The secondary analysis used baseline, cross-sectional data from 106 adults in a clinical trial comparing behavioral treatments for RA. Patients were eligible if they were ≥ 18 years old, met the ACR criteria for RA (determined by study rheumatologist), had stable disease and drug regimens for 3 months, and did not have a significant comorbid condition. Structural equation modeling evaluated the direct effects of SES, reserve capacity (helplessness- Arthritis Helplessness Index, self-efficacy -Personal Mastery Scale, social support- Social Provisions Scale) and negative emotions (stress and depressive symptoms- Perceived Stress Scale and Hamilton Depression Rating Scale) on pain (Rapid Assessment of Disease Activity in Rheumatology-RADAR & visual analog scale-VAS), and the indirect effects of SES as mediated by reserve capacity and negative emotions. The SEM model was evaluated using multiple fit criteria: χ² goodness-of-fit statistic, the comparative fit index (CFI), the standardized root mean square residual (SRMR), and the root mean square error of approximation (RMSEA).</p><p><strong>Results: </strong>Participants were mostly female (85%), 55.45 years old on average, self-identified as white (61%), Hispanic (16%), black (13%), and other (10%), and had RA for an average of 10.63 years. Results showed that low SES contributed to worse pain, through lower reserve capacity and higher negative emotions. Mediational analyses showed that reserve capacity and negative emotions partially mediated the effect of SES on pain. The final model explained 39% of the variance in pain.</p><p><strong>Conclusions: </strong>The findings indicate that lower SES was related to worse clinical pain outcomes and negative emotions and reserve capacity (helplessness, social support, and self-efficacy) mediated the effect of SES on pain. A primary limitation is the small sample size; future studies should evaluate this model further in larger, longitudinal approaches. Interventions that target negative emotions in patients with low SES may facilitate better pain control with RA.</p><p><strong>Trial registration: </strong>clinicaltrials.gov NCT00072657 01/02/2004 20/03/2009.</p>","PeriodicalId":9150,"journal":{"name":"BMC Rheumatology","volume":"8 1","pages":"46"},"PeriodicalIF":2.1,"publicationDate":"2024-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11414099/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142280281","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A higher body mass index and increased syndesmophytes volume are associated with facet joints ankylosis on thoracic spine in patients with ankylosing spondylitis: a retrospective cohort study","authors":"Simin Liao, Jian Shang, Liuquan Cheng, Jian Zhu, Feng Huang","doi":"10.1186/s41927-024-00408-4","DOIUrl":"https://doi.org/10.1186/s41927-024-00408-4","url":null,"abstract":"To investigate the association between syndesmophytes and facet joint (FJ) lesions in patients with ankylosing spondylitis (AS), and to identify clinical factors associated with FJ ankylosis (FJA) in thoracic segment. Ninety-seven patients with AS who underwent thoracic spine computed tomography (CT) or chest CT and without completely thoracic spine fusion were included. FJ lesions were analyzed for the numbers and distribution of normal, ankylosis, erosions, joint-space narrowing, osteophytes, and subchondral sclerosis. The volume of vertebral syndesmophtes unit (VSU) and total thoracic syndesmophtes volume were separately calculated by Mimics software. Clinical factors associated with FJA were investigated using generalized estimation equation (GEE). The association between syndesmophtes volume and numbers of FJ structural lesions was analyzed using generalized additive mixed model (GAMM). 2328 FJ and 1164 VSUs in thoracic spine were assessed. The majority FJ structural lesions were ankylosis (32.39%). FJA was more frequently seen in vertebrae with syndesmophytes formation (p < 0.001). GEE showed that patients with normal BMI (18.5–24.9 kg/m2) and high BMI (> 24.9 kg/m2) were more likely to have FJA in thoracic spine (odds rations [95% confidence interval]: 0.27(0.12–0.59), 1.45(1.03–8.57), respectively). GAMM showed that syndesmophytes volume increase the numbers of FJA (standard β = 0.009, p < 0.05) and decreased the numbers of normal FJ (standard β = -0.07, p < 0.01). FJA was the most common FJ structural lesion in thoracic spine, and it increases linearly with syndesmophytes before the bridging syndesmophytes formed. A higher BMI (especially > 24.9 kg/m2) and increased syndesmophytes volume are associated with FJA in thoracic spine.","PeriodicalId":9150,"journal":{"name":"BMC Rheumatology","volume":"75 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142255390","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}