Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 20 de 75
Filtrar
Mais filtros

Base de dados
País/Região como assunto
Tipo de documento
Intervalo de ano de publicação
1.
BMC Womens Health ; 24(1): 124, 2024 Feb 16.
Artigo em Inglês | MEDLINE | ID: mdl-38365703

RESUMO

BACKGROUND: Patients with rheumatic diseases (RDs) have a lower desire to have children, fewer children, and a longer interval between their pregnancies, which can be due to the patient's personal choice, the physician's advice, changes in sexual activity, changes in fertility, and pregnancy failure. This study aimed to explore the understanding and experience of women with RDs regarding pregnancy intention. METHOD: In Mashhad, Northeast Iran, between December 2022 and March 2023, this qualitative inquiry was carried out. Purposive sampling was used to select thirty women with RDs. Semi-structured interviews were used to collect the data. Graneheim and Lundman's conventional content analysis method was used to analyze the data. The data organization was done using MAXQDA 12 software. Credibility, dependability, confirmability, and transferability have been considered as elements of trustworthiness. RESULTS: The participants' data analysis revealed the following main theme: "duality of desire and fear in childbearing". Five main categories were identified, including "Individual health concerns following pregnancy", "motherhood and womanhood perceptions", "concerns about child harm", "contradictory beliefs and attitudes of significant family members and clinicians about pregnancy", and "lack of social support for fertility". CONCLUSION: In order to improve the outcomes of pregnancy for women with RDs, the medical professionals who manage them must actively and frequently inquire about their intentions to childbearing and offer them individualized guidance on how to be in the best possible health at the time of conception. Rheumatologists, gynecologists, and reproductive health specialists can better address the sexual and reproductive health needs of this population by enhancing their collaboration in the care of women with RDs.


Assuntos
Intenção , Doenças Reumáticas , Gravidez , Criança , Humanos , Feminino , Fertilidade , Reprodução , Comportamento Sexual
2.
BMC Pediatr ; 24(1): 106, 2024 Feb 10.
Artigo em Inglês | MEDLINE | ID: mdl-38341578

RESUMO

BACKGROUND: Preterm labor (PTL) is a common and serious pregnancy disorder that can cause long-term neurological issues in the infant. There are conflicting studies concerning whether sildenafil citrate (SC) reduces preterm labor complications. Therefore, the meta-analysis aimed to examine the clinical outcomes in women with threatened PTL who received nifedipine plus SC therapy versus only nifedipine. METHODS: For the original articles, six databases were searched using relevant keywords without restriction on time or language until January 13, 2024. The Cochrane risk-of-bias tool for randomized trials (RoB) and the Risk of Bias Assessment Tool for Nonrandomized Studies (RoBANS) were both used to assess the risk of bias in randomized and non-randomized studies, and GRADE determined the quality of our evidence. Meta-analysis of all data was carried out using Review Manager (RevMan) version 5.1. RESULTS: Seven studies with mixed quality were included in the meta-analysis. The study found that combining nifedipine and SC resulted in more prolongation of pregnancy (MD = 6.99, 95% CI: 5.32, 8.65, p < 0.00001), a lower rate of delivery in the 1st to 3rd days after hospitalization (RR = 0.62, 95% CI: 0.50, 0.76, p < 0.00001), a higher birth weight (252.48 g vs. nifedipine alone, p = 0.02), and the risk ratio of admission to the neonatal intensive care unit (NICU) was significantly lower (RR = 0.62, 95% CI: 0.50, 0.76, p < 0.00001) compared to nifidepine alone. The evidence was high for prolongation of pregnancy, delivery rate 24-72 h after admission, and NICU admission, but low for newborn birth weight. CONCLUSIONS: Given the effectiveness of SC plus nifedipine in increased prolongation of pregnancy and birth weight, lower delivery in the 1st to 3rd days after hospitalization, and NICU admission, Gynecologists and obstetricians are suggested to consider this strategy for PTL management, although additional article rigor is required to improve the quality of the evidence.


Assuntos
Trabalho de Parto Prematuro , Nascimento Prematuro , Tocolíticos , Gravidez , Recém-Nascido , Feminino , Humanos , Nifedipino/uso terapêutico , Citrato de Sildenafila/uso terapêutico , Tocolíticos/uso terapêutico , Peso ao Nascer , Trabalho de Parto Prematuro/tratamento farmacológico , Trabalho de Parto Prematuro/prevenção & controle
3.
Med J Islam Repub Iran ; 37: 65, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37745016

RESUMO

Background: Environmental exposures and genetic predisposition interactions may result in autoimmune rheumatic diseases. This study aimed to determine the effect of outdoor air pollutants on the activity of rheumatoid arthritis (RA) in a longitudinal follow-up. Methods: We longitudinally studied 50 patients with RA bimonthly over 6 months in Mashhad, one of the most polluted cities in Iran. Disease activity and health-related quality of life (HRQoL) were examined according to the disease activity score (DAS28ESR), health assessment questionnaires (HAQ), physical health component summary (PCS), and visual analogue scale (VAS) criteria. The outdoor air pollutant was measured by monitoring the average concentration of nitrogen oxide (NO), carbon monoxide (CO), O2 level, Sulfur dioxide (SO2), and some particles less than 10 and 2.5 micrometers in diameter (PM <10 µm, PM <2.5 µm). The temperature and humidity levels were also measured. The univariate and multivariate statistical analyses were used for data analysis and the role of confounding factors was determined using the generalized estimation equation method. Results: Statistical analysis indicated a significant increase of the DAS28ESR (B = 0.04 [0.08]; P = 0.01) and VAS (B = 4.48 [1.73]; P = 0.01) by CO concentration. Moreover, a number of polluted days increased the VAS in patients. In addition, other air pollutants, temperature, and humidity were not affected significantly by the DAS28ESR and quality of life indexes by considering confounders such as medications, age, and job. Conclusion: Based on our findings, CO concentration was the only effective outdoor air pollutant that could increase RA disease activity. In addition, CO concentration and the number of polluted days make patients feel more ill. As the role of indoor air pollutants is highly important, further research on this critical topic is required to establish the role of air pollution on RA disease activity.

4.
Lupus ; 31(7): 820-827, 2022 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-35414318

RESUMO

The heterogeneity in systemic lupus erythematosus research topics poses a challenge for the entire lupus community, from basic geneticists to clinical investigators. As such, it is critical for medical professionals to remain up to date on directions in lupus research and the main fields in which this research is being conducted (e.g., etiology, diagnosis, treatment, and outcomes). This article develops two multi-label text-classification models using Deep Neural Networks and Convolutional Neural Networks to classify the human-based adult-onset lupus-related articles in the PubMed database based on their abstract, keywords, and MeSH terms. During training evaluation, our models correctly indicated all relevant labels for 70% of the articles. The applied machine learning models (Deep Neural Network and Convolutional Neural Network) yielded a Micro-F1 score of 0.89, meaning that it successfully labeled the most relevant medical domains and types. In addition, these types of studies help the researchers be aware of the essential topics in this field, but due to difficulties in designing, the related studies are ignored or fade.


Assuntos
Lúpus Eritematoso Sistêmico , Adulto , Algoritmos , Bases de Dados Factuais , Humanos , Lúpus Eritematoso Sistêmico/diagnóstico , Aprendizado de Máquina , Redes Neurais de Computação
5.
Reumatologia ; 60(4): 231-241, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-36186839

RESUMO

Introduction: During the SARS-CoV-2 virus pandemic, immunosuppressive agents in treating chronic disease have become a concern, and rheumatic patients are not an exception. The controversies about the deteriorating effects of such medications led this study to evaluate the influence of biologic and conventional disease-modifying antirheumatic drugs (DMARDs) on the incidence of COVID-19 infection in rheumatic patients. Material and methods: In the present cohort-analytical study, 512 patients with rheumatic diseases were enrolled during the COVID-19 pandemic (2020-2021). The incidence of COVID-19 infection was diagnosed according to the definition of the Iranian Ministry of Health. The frequency of COVID-19 infection in patients treated with biological and conventional DMARDs and glucocorticosteroids were compared. Results: Among 512 rheumatic patients, 19.9% were definitely infected with COVID-19, and 23.3% of infected patients were hospitalized. Only one patient with vasculitis died during the two outbreaks. Our study showed that adding biologic DMARDs to conventional DMARDs did not increase the risk of COVID-19 infection. However, unlike biologic DMARDs, in conventional DMARDs, methotrexate increased, and hydroxychloroquine decreased COVID-19 infection. Regression analysis showed that prednisolone at a dosage higher than 10 mg/day increased the risk of COVID-19 infection 5-fold; hydroxychloroquine had a protective impact and reduced the risk of infection by 40%. Conclusions: Biologic DMARDs and the type of selected rheumatic diseases in our study did not influence the susceptibility to COVID-19 infection. Prednisolone raised the coronavirus infection, and hydroxychloroquine played a protective role in the current study. Most of our patients showed good adherence to the health protocols. Further studies after worldwide vaccination are now required to reevaluate the influence of rheumatic diseases and DMARDs on COVID-19 infection.

6.
Indian J Clin Biochem ; 35(3): 347-352, 2020 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-32647413

RESUMO

Redox state and immune mechanisms are two major factors implicated in rheumatoid arthritis (RA). Regarding some limitations of anti-cyclic citrullinated peptide (anti-CCP) antibody in RA diagnosis, recruiting another strong marker of oxidative stress could lead to more definitive diagnosis. To evaluate the potential of protein carbonyl content as a supplementary biomarker for RA. Eighty patients with RA attending the Research Center from 2015 to 2016 were recruited in this study. Smoker and alcoholic subjects, or those with any other systemic illness were excluded from the study. Demographic information and clinical data were collected. Numbers of swollen and tender joints were determined and RA disease activity was assessed. Serum samples were used for assessing protein carbonyl level, platelet count, and anti-CCP antibody values. Statistical analyses for significant differences were performed according to parametric (Student t test) and nonparametric (Mann-Whitney test) tests. The correlation was determined by Pearson coefficient. There was a significant correlation between protein carbonyl levels and anti-CCP antibodies in active RA (p value = 0.01), but not in remission phase (p value = 0.28). A significant positive correlation was observed between protein carbonyl levels and platelets count in active RA (p value = 0.001), but not in remission phase (p value = 0.85). Protein carbonyl could be considered as a future cost-effective supplementary biomarker, alongside anti-CCP antibody, in active RA diagnosis as it showed a significant positive correlation with anti-CCP antibody and platelet, two major mediators in the disease pathogenesis.

7.
J Cell Biochem ; 119(9): 7865-7872, 2018 09.
Artigo em Inglês | MEDLINE | ID: mdl-29943843

RESUMO

Systemic lupus erythematosus (SLE) concurs with excessive uncontrolled inflammatory immune responses that lead to the loss of immune tolerance. Dendritic cells (DCs) are important and determinant immune cells that regulate immune responses. Tolerogenic DCs with regulatory markers and cytokines could induce regulatory immune cells and responses. Tolerogenic probiotics are capable of producing regulatory DCs from monocytes in in vitro conditions. The purpose of this study was to evaluate the effect of Lactobacillus delbrueckii and Lactobacillus rhamnosus on the production of DCs in an in vitro condition. Peripheral blood mononuclear cells were isolated from the healthy and SLE donors. Monocytes were cultured with optimized concentrations of granulocyte-macrophage colony-stimulating factor (GM-CSF) and interleukin 4 (IL-4) to produce immature DCs (IDCs). An IDC uptake assay was performed, and IDCs of healthy and SLE donors were divided into three subgroups following 48 hours of treatment with GM-CSF and IL-4, along with L. delbrueckii, L. rhamnosus, and mixed probiotics for the production of tolerogenic DCs. The surface expression of Human Leukocyte Antigen-antigen D Related (HLA-DR), CD86, CD80, CD83, CD1a, and CD14 was analyzed using flow cytometry, and the gene expression levels of indoleamine 2,3-dioxygenase (IDO), IL-10, and IL-12 were measured using real-time polymerase chain reaction. We observed significantly reduced expression of costimulatory molecules and other surface markers in the probiotic-induced mature DCs (MDCs) in both healthy and SLE donor groups in comparison with lipopolysaccharide (LPS)-induced MDCs. In addition, the expression of IDO and IL-10 increased, whereas IL-12 decreased significantly in probiotic-induced MDCs compared with LPS-induced MDCs. IDCs and especially mature tolerogenic DC of SLE patients highly expressed IDO. The results of the current study suggested that live probiotics could modify properties of DCs to modulatory cells, which might contribute to the induction of tolerance and renovation of immune hemostasis.


Assuntos
Células Dendríticas/citologia , Lacticaseibacillus rhamnosus/fisiologia , Lactobacillus delbrueckii/fisiologia , Lúpus Eritematoso Sistêmico/microbiologia , Monócitos/citologia , Adulto , Estudos de Casos e Controles , Técnicas de Cultura de Células , Células Cultivadas , Citocinas/genética , Citocinas/metabolismo , Células Dendríticas/imunologia , Células Dendríticas/microbiologia , Feminino , Fator Estimulador de Colônias de Granulócitos e Macrófagos/farmacologia , Humanos , Indolamina-Pirrol 2,3,-Dioxigenase/genética , Indolamina-Pirrol 2,3,-Dioxigenase/metabolismo , Interleucina-4/farmacologia , Lactobacillus delbrueckii/imunologia , Lacticaseibacillus rhamnosus/imunologia , Lúpus Eritematoso Sistêmico/imunologia , Masculino , Monócitos/efeitos dos fármacos , Monócitos/imunologia , Monócitos/microbiologia , Probióticos
8.
J Cell Biochem ; 118(12): 4831-4835, 2017 12.
Artigo em Inglês | MEDLINE | ID: mdl-28544067

RESUMO

Systemic lupus erythematosus (SLE) is an autoimmune disease characterized by production of inflammatory cytokines and autoreactive antibodies due to the loss of immune tolerance. Recognition of self-nucleic acids by intracellular Toll-like receptors (TLRs) can overactivate immune responses and this abnormal activation of TLRs contributes to the pathogenesis of the disease. In recent years, anti-inflammatory and immunomodulatory effects of 1,25-dihydroxyvitamin D3 (VitD3) on the immune system has received particular attention. The present study investigated the effects of vitamin D3 on the expression of TLR3, TLR7, and TLR9 in SLE patients. Study participants included 20 SLE patients and 20 age- and sex-matched healthy controls. Peripheral blood mononuclear cells (PBMCs) were isolated and cultured in the presence or absence of vitamin D3 (50 nM). Then RNA was extracted, cDNA was synthesized and gene expression levels of TLR3, TLR7, and TLR9 were assessed using real-time PCR. Up-regulated expression levels of TLR7 and TLR9 were observed in the PBMCs of SLE patients in comparison with controls. Culturing PBMCs with vitamin D3 significantly down-regulated the expression of TLR3 (8.86 ± 4.2 for SLE patients vs. 45.34 ± 18.6 for control; P = 0.03), TLR7 (17.91 ± 7.7 for SLE patients vs. 242.37 ± 89.6 for controls; P = 0.0001) and TLR9 (4.67 ± 1.9 for SLE patients vs. 8.9 ± 1.5 for controls; P = 0.007) in SLE patients in comparison with healthy controls. The results of the current study suggest that vitamin D3 could exert some of its immunomodulatory effects in SLE patients via affecting the expression levels of some TLRs. J. Cell. Biochem. 118: 4831-4835, 2017. © 2017 Wiley Periodicals, Inc.


Assuntos
Colecalciferol/farmacologia , Regulação da Expressão Gênica/efeitos dos fármacos , Leucócitos Mononucleares/metabolismo , Lúpus Eritematoso Sistêmico/metabolismo , Receptores Toll-Like/biossíntese , Adulto , Células Cultivadas , Feminino , Humanos , Leucócitos Mononucleares/patologia , Lúpus Eritematoso Sistêmico/patologia , Masculino , Pessoa de Meia-Idade
9.
Indian J Med Res ; 146(2): 224-229, 2017 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-29265023

RESUMO

BACKGROUND & OBJECTIVES: Systemic lupus erythematosus (SLE) is a chronic autoimmune disease which affects females more than males. Gender affects the manifestations of SLE and men with lupus show more severe symptoms and worse prognosis. This study was aimed to compare clinical and immunological features in female and male lupus patients in Iran. METHODS: Demographic, clinical and laboratory data from 78 women and 20 men with lupus were collected. Autoantibodies (against nRNP, Sm, SSA, SSB, Ro-52, CENP, Jo-1, Scl-70, nucleosome, anti-dsDNA, histone and Rib-p protein) were determined using immunoblotting technique. RESULTS: Men with lupus had less anti-SSA (21.1 vs 48.1%) and anti-Ro52 (10.5 vs 44.3%) antibodies when compared to women and none of the male patients had anti-SSB antibodies. Kidney damage was more frequent in men (68.4% in men vs 36.7% in women). In men with kidney involvement, anti-dsDNA increased significantly (84.6 vs 20.0%) in comparison to males without nephritis. Anti-SSA (7.7 vs 50.0%) and anti-nRNP (0.0 vs 33.8%) on the other hand, decreased. Women with renal involvement had no anti-SSB antibodies. INTERPRETATION & CONCLUSIONS: In male patients, SLE appeared with more severe features, and kidney damage was more frequent in males. The frequency of some autoantibodies was different between females and males. In males with kidney damage anti-dsDNA increased significantly, while anti-SSA and anti-nRNP decreased. Anti-SSB was not detected in males and females with nephritis.


Assuntos
Anticorpos Antinucleares/sangue , Lúpus Eritematoso Sistêmico/sangue , Adulto , Anticorpos Antinucleares/imunologia , Feminino , Humanos , Irã (Geográfico) , Rim/imunologia , Rim/patologia , Lúpus Eritematoso Sistêmico/imunologia , Lúpus Eritematoso Sistêmico/patologia , Masculino , Pessoa de Meia-Idade , Caracteres Sexuais
10.
Rheumatol Int ; 34(8): 1145-51, 2014 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-24487422

RESUMO

Rheumatoid arthritis (RA), the most prevalent autoimmune arthritis worldwide, usually presents with a circannual manner and, meanwhile, follows a circadian rhythm for symptoms like morning stiffness. Therefore, association between RA and some hormones such as melatonin (MLT) and vitamin D, whose serum values are related to body circadian rhythms or seasonal variations, has become more noticeable recently. Since some studies proposed that RA patients show altered MLT circadian rhythms, especially in concordance with symptoms, in this research, we present the correlation between MLT serum values and RA disease activity score (DAS28ESR). The current cross-sectional study was carried out on 80 volunteers (60 patients and 20 healthy controls). Fifty percent of the participants in each group were sampled in cold, and the same percentage were sampled in warm seasons at 8 a.m. Disease activity was estimated utilizing DAS28ESR. Patients with possible known confounders of MLT secretion were excluded. A commercial MLT ELISA kit was employed to measure MLT. Statistical analysis was conducted by SPSS-11 software. This study outlined higher serum values of MLT in RA patients compared with controls (P = 0.006, z = -2.73). However, MLT did not correlate with DAS in patients (P = 0.45, r = -0.09). GLM analysis demonstrated that DAS28ESR, age, disease duration, medications, gender, and season of sampling had no influence on serum MLT. However, newly diagnosed RA patients presented higher MLT values than established ones (P = 0.03, t = -2.2). A cutoff point value of 23 pg/mL (63.3 % sensitivity and 90 % specificity) for MLT was computed between patients and controls. This study denoted that morning MLT serum values are higher in RA patients than in healthy volunteers. However, MLT and RA disease activity or other disease characteristics do not correlate. MLT serum values were higher in newly diagnosed RA patients than established ones.


Assuntos
Artrite Reumatoide/diagnóstico , Ritmo Circadiano , Melatonina/sangue , Adulto , Artrite Reumatoide/sangue , Biomarcadores/sangue , Sedimentação Sanguínea , Estudos de Casos e Controles , Estudos Transversais , Avaliação da Deficiência , Ensaio de Imunoadsorção Enzimática , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Valor Preditivo dos Testes , Estudos Prospectivos , Estações do Ano , Índice de Gravidade de Doença , Fatores de Tempo
11.
J Clin Rheumatol ; 20(3): 160-2, 2014 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-24662559

RESUMO

Progressive dementia in conjunction with multiple bone fractures in a previously healthy young man led to the investigation of the underlying cause. The differential diagnoses (most importantly hypoparathyroidism) were limited given basal ganglia calcifications on the brain computed tomographic scan. Electronic search of the key words basal ganglia calcification, osteoporosis, and dementia revealed a rare condition termed Nasu-Hakola disease or polycystic lipomembranous osteodysplasia with sclerosing leukoencephalopathy. This very rare and potentially fatal genetic disease is characterized by pathological fractures, multiple lytic bone lesions, and presenile dementia. We report an Iranian patient with this disease and a review of the literature.


Assuntos
Doenças Ósseas/etiologia , Demência/etiologia , Lipodistrofia/complicações , Lipodistrofia/diagnóstico , Osteocondrodisplasias/complicações , Osteocondrodisplasias/diagnóstico , Panencefalite Esclerosante Subaguda/complicações , Panencefalite Esclerosante Subaguda/diagnóstico , Absorciometria de Fóton , Adulto , Densidade Óssea/fisiologia , Doenças Ósseas/diagnóstico , Doenças Ósseas/diagnóstico por imagem , Encéfalo/diagnóstico por imagem , Demência/diagnóstico , Humanos , Irã (Geográfico) , Masculino , Tomografia Computadorizada por Raios X
12.
Curr Rheumatol Rev ; 20(1): 39-45, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-37691222

RESUMO

OBJECTIVE: Osteoarthritis (OA) is one of the most prevalent joint disorders in the world that has placed an enormous economic and social burden on governments and healthcare sectors in many countries. Hand OA (HOA) is the most common peripheral arthritis, which is less investigated than knee and hip OA. Due to limited approved drug choices and adverse effects of long-term use of current regimens, we aimed to review the existing evidence that were used as oral herbal medicine to treat HOA. METHODS: The PubMed database was searched for both observational and interventional studies that have investigated herbal medicine safety and efficacy in HOA, written in English and published between 2010 and 2022. RESULTS: A total of 5 original articles fulfilled the inclusion criteria, and each article assessed a different herbal regimen. Overall, it seems desirable to add specific herbal treatments to the regimen of HOA patients, specifically in case of early stages of HOA. CONCLUSION: Currently, the need for a low-risk alternative treatment in HOA patients is felt more than ever. There are reliable references relating to the safety of Korean red ginseng, GCSB-5, XLGB, and GS-GCu in these patients, although their efficacy was limited. Additionally, herbs like curcumin and Boswellia serrata have positively affected patients with knee osteoarthritis. However, there is a lack of strong evidence supporting their effectiveness in hand osteoarthritis (HOA). This emphasizes the potential benefits that these herbs may have for HOA patients.


Assuntos
Curcumina , Osteoartrite do Quadril , Osteoartrite do Joelho , Humanos , Osteoartrite do Joelho/tratamento farmacológico , Extratos Vegetais/uso terapêutico , Osteoartrite do Quadril/tratamento farmacológico , Curcumina/uso terapêutico , Mãos
13.
Arch Bone Jt Surg ; 12(1): 1-11, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38318309

RESUMO

Objectives: Since various medications can control the rate of fractures and subsequent complications of osteoporosis, the early detection of the disease is crucial. This systematic study aimed to compare the diagnostic accuracy of Singh index (SI) with dual-energy X-ray absorptiometry (DEXA) as a benchmark standard for diagnosing osteoporosis. Methods: The Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) were utilized in the current study. A detailed search was carried out using PubMed and Scopus from inception to 30 May 2022. Examining quality of the studies was performed by the Quality Assessment of Diagnostic Accuracy Studies-2 (QUADAS-2). Results: A total of 22 studies were included. In general, 50% of the studies considered SI a poor screening tool for detecting osteoporosis due to a negligible inter-observer agreement between SI and DEXA or a poor correlation of SI with the bone mineral density (BMD) category or DEXA T-score. A moderate inter-observer agreement was reported for SI in 5 (55.6%) studies. Among the studies assessing the sensitivity and specificity of SI compared to DEXA (n=13), six studies estimated a low sensitivity for SI. Conclusion: While there is supporting evidence indicating the potential usefulness of SI for predicting femoral neck fractures in individuals with suspected osteoporosis, numerous studies challenge its reliability and diagnostic value as a screening tool for identifying femoral neck osteoporosis. Further primary studies are required to verify the effectiveness of the SI index in identifying populations at risk of osteoporosis.

14.
Iran J Med Sci ; 49(3): 167-175, 2024 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-38584648

RESUMO

Background: The attentive management of rheumatoid arthritis (RA) has attracted particular attention. The German 7-joint Ultrasound (US-7) is the first scoring system that combines bone erosions and soft tissue lesions in a single composite scoring system. This study aimed to assess the correlation between US-7 and Disease Activity Score Using 28 Joint Counts (DAS28) in clinically active RA patients. The efficacy of a novel ultrasound score-based system, the US-9 score (joints assessed with US-7 plus knees), was also compared with the standard US-7 score. Methods: All the RA patients referred to the outpatient rheumatology clinic of Ghaem Hospital, Mashhad, Iran, during 2019-2020 were included. 28 joints were clinically examined to calculate DAS28. Nine joints were assessed comprising the German US-7 plus knees using grayscale ultrasonography (GSUS) and power Doppler ultrasonography (PDUS). Retrieved data were analyzed by SPSS software, version 22. The Spearman Correlation test was used to find the correlation between DAS28 and ultrasonographic findings. The statistical significance level was set at P<0.05. Results: This study was composed of thirty-five RA patients with a mean age of 49.1±12.0 years. US-7 synovitis scores in GSUS and PDUS were significantly correlated with DAS28 (P=0.02, r=0.38 and P=0.003, r=0.48, respectively). US-9 synovitis scores in GSUS and PDUS were also significantly correlated with DAS28 (P=0.003, r=0.49 and P=0.006, r=0.45, respectively). The synovitis score measured by GSUS was significantly correlated with the GSUS knee synovial score (P=0.01, r=0.42). Conclusion: Ultrasound assessment of large joints such as knees can be an effective approach to determining RA severity. However, it can be proposed that adding more involved joints into the sonographic assessment does not necessarily provide a better clinical correlation.


Assuntos
Artrite Reumatoide , Sinovite , Humanos , Adulto , Pessoa de Meia-Idade , Artrite Reumatoide/diagnóstico por imagem , Artrite Reumatoide/patologia , Sinovite/diagnóstico por imagem , Ultrassonografia , Articulação do Joelho/patologia , Irã (Geográfico)
15.
Rheumatol Int ; 33(3): 571-4, 2013 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-22466401

RESUMO

Adult-onset Still's disease (AOSD) is a rare systemic inflammatory disorder of unknown etiology. It is a seronegative disease with multisystemic manifestations. One of the important laboratory findings in AOSD is negative results for rheumatoid factor and antinuclear antibody. Because there is no specific, pathognomonic test for AOSD, diagnosis is based on a set of clinical and laboratory criteria and exclusion of other diseases like infections, malignancies, and vasculitis. It is obvious that antineutrophil cytoplasmic antibodies (ANCAs) are specific for vasculitis; however, few studies detected some types of these antibodies in rheumatoid arthritis, juvenile chronic arthritis, and still's disease. The aim of this study was to investigate whether or not ANCAs exist in sera of patients with AOSD. Forty-one AOSD patients were enrolled in this prospective study; patients were diagnosed according to Yamaguchi criteria and exclusion of other diseases by at least 6-months follow-up. Sera from all patients were tested for p-ANCA and c-ANCA by indirect immunofluorescence assay. Confirmatory antigenic testing for proteinase 3 (PR3) and myeloperoxidase (MPO) ANCA subtypes then were performed on positive sera. Only one patient with AOSD in this study showed low titer of MPO-ANCA in her sera. In a 1-year follow-up, ANCA did not predict vasculitis in this patient. This study suggested that patients with AOSD are mostly seronegative for ANCAs too. Positive ANCA appears to be an epiphenomenon and has not any association with vasculitis in AOSD.


Assuntos
Anticorpos Anticitoplasma de Neutrófilos/sangue , Doença de Still de Início Tardio/diagnóstico , Adulto , Feminino , Técnica Indireta de Fluorescência para Anticorpo , Humanos , Masculino , Mieloblastina/imunologia , Peroxidase/imunologia , Doença de Still de Início Tardio/sangue
16.
Clin Cases Miner Bone Metab ; 10(3): 180-2, 2013 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-24554927

RESUMO

Osteomalacia is a generalized bone disorder characterized by impairment of mineralization, leading to accumulation of unmineralized matrix or osteoid in the skeleton. The clinical features of osteomalacia include musculoskeletal vague pain and muscle weakness. In its mild and early stages, osteomalacia may be misdiagnosed with variety of musculoskeletal diseases including osteopenia and osteoporosis, and for early diagnosis high rate of suspicion of osteomalacia is necessary. Our purpose was to determine the amount of bone mineral density (BMD) in patients with osteomalacia and to evaluate the efficiency of bone densitometry in these patients. Diagnosis of our patients was based on history, physical, laboratory and radiological findings and in three patients with bone biopsy and histological approval. BMD (gm/cm(2)) at the lumbar vertebrae (L2-L4) and femoral neck were measured by dual X-ray absorptiometry in 20 patients with osteomalacia (16 females and 4 males, age range 20 to 60 years, mean 39 years) before treatment, comparing with 28 matched healthy individuals, and their T scores were evaluated according to WHO criteria for the diagnosis of osteopenia and osteoporosis. 14 patients with osteomalacia (70%) had BMD in amount of osteoporosis in the lumbar spine, and 12 patients with osteomalacia (60%) had BMD in amount of osteoporosis in their femoral neck. 50% of the patients had T≥ -3. We concluded that bone densitometry may detect osteoporosis in up to 70% of patients with osteomalacia. Middle aged individuals with significant osteoporosis should be evaluated for osteomalacia, beside other causes of secondary osteoporosis. Measurement of BMD in patients with osteomalacia is helpful for assessment of the severity of bone condition and following management.

17.
Curr Rheumatol Rev ; 19(2): 222-229, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-36221867

RESUMO

INTRODUCTION: Air pollution is one of the environmental factors that influences the pathogenesis of systemic autoimmune diseases, followed by the development and spread of inflammation and increased oxidative damage. Only a few studies have been conducted on the impact of air pollution on disease activity in patients with lupus, which mostly have focused on PM2.5 particles. MATERIALS AND METHODS: We longitudinally studied 50 patients with lupus bimonthly in a 6-month period in Mashhad, one of the polluted cities of Iran. Disease activity and quality of life were examined considering SLEDAI2K, SLEQOL, and VAS criteria. The outdoor air pollutant was measured by monitoring the average concentration of nitrogen dioxide (NO2), carbon monoxide (CO), some particles less than 10 and 2.5 micrometers in diameter (PM <10, PM <2.5) and the level of temperature and humidity which were taken from the Meteorological Organization of Mashhad. Confounding factors such as medications were investigated by univariate and multivariate statistical analysis, specifically by GEE method. RESULTS: The possible relation among various factors to SLEDAI, SLEQOL and VAS by two different univariate and multivariate analyses were studied. Our analysis indicated that spring season, decreased temperature, increased air pollutants including (PM2.5, and NO2) and increased humidity increase SLEDAI2K. Furthermore, the percent of polluted days directly correlates with Anti-dsDNA and NO2 significantly increases SLEQOL. CONCLUSION: Based on our findings, air pollution (particularly NO2 and PM2.5) has affected at least some aspects of the disease and the health-related quality of life (HRQL) of lupus patients. Further research is needed to confirm these findings.


Assuntos
Poluentes Atmosféricos , Poluição do Ar , Humanos , Irã (Geográfico)/epidemiologia , Qualidade de Vida , Dióxido de Nitrogênio/análise , Estudos Longitudinais , Poluição do Ar/efeitos adversos , Poluição do Ar/análise , Poluentes Atmosféricos/efeitos adversos , Poluentes Atmosféricos/análise , Material Particulado/efeitos adversos , Material Particulado/análise
18.
Arch Rheumatol ; 38(4): 642-652, 2023 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-38125063

RESUMO

Objectives: This study aimed to assess the ex vivo impact of Lactobacillus delbrueckii (L. delbrueckii) and Lactobacillus rhamnosus (L. rhamnosus) on inflammatory and anti-inflammatory cytokines as well as their related molecules on the peripheral blood mononuclear cells (PBMCs) of systemic lupus erythematosus (SLE) patients. Patients and methods: This study was conducted with 20 newly diagnosed SLE patients (18 females, 2 males; mean age: 33.3±12.4 years; range, 18 to 68 years) between September 2017 and September 2018. Extracted PBMCs from each patient were divided into 4 cell groups in our study. Three cell groups act as treatment groups receiving L. rhamnosus (107 CFU/mL), L. delbrueckii (105 CFU/mL) or a mixture of both, and one group act as our untreated control group in the absence of any probiotic agents. All cell groups were cultured in RPMI 1460 medium for 48 h. Then, total RNA was extracted, and cDNA was synthesized. Results: The gene expression levels of forkhead box P3 (FOXP3), transforming growth factor beta (TGF-ß), interleukin (IL)-6, IL-10, and IL-2 were evaluated by a quantitative real-time polymerase chain reaction. The results revealed that expression levels of FOXP3, TGF-ß, IL-10, and IL-2 increased and the level of IL-6 decreased in probiotics-receiving groups compared to the control group. Lactobacillus delbrueckii and L. rhamnosus enhanced the expression of regulatory T cell-related molecules such as FOXP3 and IL-2 and also increased the expression of IL-10. These probiotics also reduced the expression of IL-6 as proinflammatory cytokines in the PBMCs of SLE patients. Conclusion: The results of the present study show that these probiotics could be effective in regulating the balance of cytokine gene expression ex vivo , and due to their beneficial effects, they can be an intriguing option in the production of new complement drugs for SLE.

19.
Curr Rheumatol Rev ; 19(1): 93-101, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-35585813

RESUMO

OBJECTIVE: The current study aimed to evaluate the effect of raloxifene on the disease activity of postmenopausal patients with rheumatoid arthritis (RA) and the prevention of glucocorticoid- induced osteoporosis. METHODS: This double-blind, randomized clinical trial was conducted at the Rheumatic Diseases Research Center affiliated with Mashhad University of Medical Sciences from 2015 to 2016. Postmenopausal women with RA were randomly treated with raloxifene or placebo after discontinuation of alendronate. Disease activity was evaluated using DAS28ESR, HAQ, and VAS before and every two months after the intervention. In addition, bone mineral densitometry was performed for patients before and 14 months after the intervention. The disease activity and densitometric criteria were compared between the two groups at a significant level of p <0.05. RESULTS: A total of 17 patients were allocated to each group. The two groups were similar at baseline in underlying disease, age, duration of RA, duration of alendronate use, laboratory findings, and rheumatoid arthritis drugs. Moreover, the mean scores of DAS28ESR, HAQ, and VAS during visits were not significantly different between the intervention and control groups (p >0.05). CONCLUSION: The current study results could not prove any clinical benefits of adding raloxifene to standard therapies for patients with rheumatoid arthritis in improving their disease activity compared to placebo. CLINICAL TRIAL REGISTRATION NUMBER: Trial registration number is NCT02982083.


Assuntos
Artrite Reumatoide , Conservadores da Densidade Óssea , Osteoporose Pós-Menopausa , Pós-Menopausa , Cloridrato de Raloxifeno , Feminino , Humanos , Alendronato/uso terapêutico , Alendronato/farmacologia , Artrite Reumatoide/tratamento farmacológico , Densidade Óssea , Osteoporose Pós-Menopausa/tratamento farmacológico , Cloridrato de Raloxifeno/uso terapêutico , Cloridrato de Raloxifeno/farmacologia , Conservadores da Densidade Óssea/farmacologia , Conservadores da Densidade Óssea/uso terapêutico
20.
Caspian J Intern Med ; 14(3): 470-478, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37520872

RESUMO

Background: Glucocorticoid receptor α (GRα) gene is a transcription factor with clinically significant immune-modulating properties in various autoimmune diseases. However, the expression pattern of the GRα gene and associations with clinical features in patients with systemic lupus erythematosus (SLE) is controversial. This study aimed to assess the correlation between the GRα expression and different clinical and laboratory-related parameters in SLE patients. Methods: A total of 45 women with newly diagnosed SLE and 31 gender and age-matched healthy controls were enrolled in this cross-sectional study. The real-time quantitative PCR (qRT-PCT) method evaluated the differences in GRα expression in peripheral blood mononuclear cells from cases and controls. The correlation between the GRα gene expression levels, clinicolaboratory features, and potential prognostic application was also analyzed. Results: Compared to the healthy individuals, the GRα gene expression in newly diagnosed SLE patients who did not receive any treatment was numerically reduced, but this reduction did not achieve statistical significance (P=0.87). No significant correlation was also found with the activity and severity of SLE according to SLEDAI2K (P=0.41). The GRα gene expression showed a negative correlation with CRP (P=0.034) and a positive correlation with lupus anticoagulant (P=0.039) levels in SLE. The receiver operating characteristic (ROC) curve analysis indicated that the GRα expression level might be a predictor biomarker for low CRP and positive lupus anticoagulant in SLE, respectively. Conclusion: This study proposed that expression of the GRα in newly diagnosed lupus patients has no statistically significant difference with healthy age and sex-matched controls. Besides, its expression does not correlate with lupus disease activity according to SLEDAI2k. However, further studies in this area are required.

SELEÇÃO DE REFERÊNCIAS
Detalhe da pesquisa