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Reactive arthritis

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https://www.readbyqxmd.com/read/29331300/cigarette-smoking-and-hip-volumetric-bone-mineral-density-and-cortical-volume-loss-in-older-adults-the-ages-reykjavik-study
#1
Elisa A Marques, Martine Elbejjani, Vilmundur Gudnason, Gunnar Sigurdsson, Thomas Lang, Sigurdur Sigurdsson, Thor Aspelund, Kristin Siggeirsdottir, Lenore Launer, Gudny Eiriksdottir, Tamara B Harris
This study aimed to explore the relationships of several indicators of cigarette smoking habits (smoking status, pack-years, age at smoking initiation and smoking cessation) with quantitative computed tomographic (QCT)-derived proximal femur bone measures (trabecular vBMD, integral vBMD and the ratio of cortical to total tissue volume (cvol/ivol)) and with subsequent change in these measures over the next five years. A total of 2673 older adults (55.9% women), aged 66-92 years at baseline from the Age, Gene/Environment Susceptibility (AGES)-Reykjavik Study, who had two QCT scans of the hip were studied...
January 10, 2018: Bone
https://www.readbyqxmd.com/read/29329602/abatacept-used-in-combination-with-non-methotrexate-disease-modifying-antirheumatic-drugs-a-descriptive-analysis-of-data-from-interventional-trials-and-the-real-world-setting
#2
Rieke Alten, Harald Burkhardt, Eugen Feist, Klaus Krüger, Juergen Rech, Andrea Rubbert-Roth, Reinhard E Voll, Yedid Elbez, Christiane Rauch
BACKGROUND: Methotrexate (MTX) remains the anchor drug in rheumatoid arthritis (RA) treatment, but is poorly tolerated or contraindicated in some patients. There is a wealth of data supporting the use of abatacept in combination with MTX, but data on alternative conventional synthetic disease-modifying antirheumatic drug (csDMARD) combinations with abatacept are scarce. METHODS: In this post-hoc exploratory analysis, efficacy and safety data were extracted from abatacept RA studies in which combination with csDMARDs other than MTX was permitted: three interventional trials (ATTAIN, ASSURE, and ARRIVE) and one real-world study (ACTION)...
January 2, 2018: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/29321825/umbilical-cord-blood-stem-cell-treatment-for-a-patient-with-psoriatic-arthritis
#3
Margaret Coutts, Rowena Soriano, Rajendran Naidoo, Habib Torfi
Clinical and laboratory results document psoriatic arthritis in a 56-year old patient. The symptoms did not resolve with standard treatments (nonsteroidal anti-inflammatory drugs, steroids and methotrexate). TNF-alpha inhibitors (certolizumab pegol and adalimumab) were added to the treatment regime, with some adverse effects. A trial of human umbilical cord stem cell therapy was then initiated. The stem cells were enriched and concentrated from whole cord blood, by removal of erythrocytes and centrifugation...
December 26, 2017: World Journal of Stem Cells
https://www.readbyqxmd.com/read/29314183/fixed-dosing-of-intravenous-tocilizumab-in-rheumatoid-arthritis-results-from-a-population-pharmacokinetic-analysis
#4
Carla Bastida, Virginia Ruiz-Esquide, Mariona Pascal, Aurelia H M de Vries Schultink, Jordi Yagüe, Raimon Sanmartí, Alwin D R Huitema, Dolors Soy
AIM: Intravenous tocilizumab is currently dosed on body weight although a weak correlation between body weight and clearance has been described. The aim of the study was to assess the current dosing strategy and provide a scientific rational for dosing using a modeling and simulation approach. METHODS: Serum concentrations and covariates were obtained from intravenous tocilizumab treated subjects at a dose of 4, 6 or 8 mg every 28 days. A population pharmacokinetic analysis was performed using nonlinear mixed effects modeling...
January 4, 2018: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/29307093/vasodilator-function-worsens-after-cessation-of-tumour-necrosis-factor-inhibitor-therapy-in-patients-with-rheumatoid-arthritis-only-if-a-flare-occurs
#5
Gerard A Rongen, Iris van Ingen, Marc Kok, Harald Vonkeman, Matthijs Janssen, Tim L Jansen
Vasodilator function is reported to be reduced in rheumatoid arthritis (RA), and is considered an early sign of vascular dysfunction, which is normalised by TNF inhibitors (TNFi). To optimise cost-effectiveness, tapering or interruption of TNFi therapy in established RA patients is advocated. We explored whether cessation of TNFi results in impaired vasodilator function and whether this relates to the development of a Disease Activity Score (DAS28)-based flare. Forty-one patients were assessed for eligibility as RA with at least 12 months of low disease activity (based on 28 joint counts); 35 enrolled into the randomised study: 8 were randomised to continue, 27 to stopping TNFi...
January 7, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29304824/patient-characteristics-associated-with-response-to-nsaid-monotherapy-in-children-with-systemic-juvenile-idiopathic-arthritis
#6
Anjali Sura, Christopher Failing, Julie Sturza, Jasmine Stannard, Meredith Riebschleger
BACKGROUND: Systemic juvenile idiopathic arthritis (sJIA) is an auto-inflammatory disease characterized by fever, arthritis, and ≥1 of rash, generalized lymphadenopathy, hepato/splenomegaly, and serositis. Non-steroidal anti-inflammatory drugs (NSAIDs) are among the initial treatments of sJIA, but there is currently no evidence indicating which children should undergo a trial of NSAID monotherapy and which should not. Our objective is to identify presentation characteristics which are associated with response and lack of response to a trial of NSAID monotherapy...
January 5, 2018: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/29303701/increased-levels-of-serum-histone-h4-and-activated-protein-c-in-patients-with-active-rheumatoid-arthritis
#7
Wanchan Peng, Xianghui Liang, Yong Zhong, Yaou Zhou, Litao Hu, Wei Wang
OBJECTIVES: We aimed to examine the levels of serum H4 and activated protein C (APC) in rheumatoid arthritis (RA) and other autoimmune conditions, and investigate the associations between H4 or APC levels and disease activity indicators in RA. METHODS: Serum H4 and APC distribution was examined in samples from patients with RA, systemic lupus erythematosus (SLE), polymyositis (PM), and ankylosing spondylitis (AS), as well as in samples from healthy controls, using commercial ELISA kits...
December 27, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/29302905/the-efficacy-of-probiotic-supplementation-in-rheumatoid-arthritis-a-meta-analysis-of-randomized-controlled-trials
#8
Seyed Mohammad Aqaeinezhad Rudbane, Samane Rahmdel, Seyedeh Maryam Abdollahzadeh, Morteza Zare, Azam Bazrafshan, Seyed Mohammad Mazloomi
Probiotics are considered as -immunomodulatory agents; their efficacy as an adjunct therapy option for rheumatoid arthritis (RA), however, remains controversial. The main aim of the present meta-analysis, therefore, was to compare available data from the published randomized, controlled trials (RCTs) recruiting adults with RA which compared probiotics with placebo. The English literature search was performed using Ovid version of Medline, EmBase, Web of Science, and the Central Cochrane library through October 2016 and supplemented by hand searching reference lists...
January 4, 2018: Inflammopharmacology
https://www.readbyqxmd.com/read/29302829/effectiveness-and-safety-of-ustekinumab-in-na%C3%A3-ve-or-tnf-inhibitors-failure-psoriatic-arthritis-patients-a-24-month-prospective-multicentric-study
#9
Maria Sole Chimenti, Augusta Ortolan, Mariagrazia Lorenzin, Paola Triggianese, Marina Talamonti, Luisa Costa, Francesco Caso, Marta Favero, Miriam Teoli, Marco Galluzzo, Raffaele Scarpa, Leonardo Punzi, Roberto Perricone, Roberta Ramonda
The current prospective observational study aimed to evaluate the long-term (24 months), real-life effectiveness of ustekinumab in psoriatic arthritis (PsA). Consecutive patients with moderate-severe PsA and active psoriasis who begun ustekinumab treatment were evaluated prospectively (January 2015-March 2017). Clinimetric scores and biochemical values were assessed at baseline (T0), at 6 (T6), 12 (T12), and 24 (T24) months. Friedman test and generalized linear models were used to compare variables over time...
January 4, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29299471/outcomes-of-a-newer-generation-cementless-total-knee-arthroplasty-design-in-patients-less-than-50-years-of-age
#10
Michael A Mont, Chukwuweike Gwam, Jared M Newman, Morad Chughtai, Anton Khlopas, Prem N Ramkumar, Steven F Harwin
Background: Younger patients undergoing cemented total knee arthroplasty (TKA) may be at risk for lower implant survivorship and higher revision rates due to the historical increased prevalence of aseptic loosening and instability in this cohort. The recent advances of cementless TKAs may mitigate some of these complications. However, there is a paucity of studies reporting on patients who are under 50 years who have undergone a cementless TKA. Therefore, this study evaluated: (I) implant survivorship; (II) functional outcomes and complications; and (III) radiographic outcomes in patients who were less than 50 years of age and underwent cementless TKA...
December 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/29288410/central-nervous-system-involvement-in-rheumatoid-arthritis-possible-role-of-chronic-inflammation-and-tnf-blocker-therapy
#11
Sinem Sağ, Mustafa Serdar Sağ, Ibrahim Tekeoğlu, Ayhan Kamanlı, Kemal Nas, Bilgehan Atilgan Acar
Rheumatoid arthritis (RA) is a chronic disease, the etiology of which has yet to be clarified, which causes activation of proinflammatory pathways that bring about joint and systemic inflammation. Although peripheral nervous system anomalies are observed widely in RA, very few case reports on changes in the central nervous system (CNS) have been published. In recent years, the pathophysiology of CNS involvement that can occur in RA has attracted a great deal of attention. Emphasis has focused on the possibility that CNS involvement occurs due to blood-brain barrier (BBB) damage associated with chronic inflammation...
December 29, 2017: Acta Neurologica Belgica
https://www.readbyqxmd.com/read/29285924/the-self-catalyzing-chemiluminescence-of-luminol-diazonium-ion-and-its-application-for-catalyst-free-hydrogen-peroxide-detection-and-rat-arthritis-imaging
#12
Chunxin Zhao, Hongbo Cui, Jing Duan, Shenghai Zhang, Jiagen Lv
We report the unique self-catalyzing chemiluminescence (CL) property of luminol-diazonium ion (N<sub>2</sub><sup>+</sup>-luminol) and its analytical potential. Visual CL emission was initially observed when N<sub>2</sub><sup>+</sup>-luminol was subjected to alkaline H<sub>2</sub>O<sub>2</sub> aqueous without the aid of any catalysts. Further experimental investigations found the peroxidase-like activity of N<sub>2</sub><sup>+</sup>-luminol on the cleavage of H<sub>2</sub>O<sub>2 </sub>into OH• radical...
December 29, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/29285715/gene-mutations-and-clinical-phenotypes-in-15-chinese-children-with-cryopyrin-associated-periodic-syndrome-caps
#13
Caifeng Li, Xiaohua Tan, Junmei Zhang, Shipeng Li, Wenxiu Mo, Tongxin Han, Weiying Kuang, Yifang Zhou, Jianghong Deng
The aim of our study is to explore the features of clinical manifestations and genetic mutations in Chinese CAPS patients. Fifteen confirmed patients with CAPS were enrolled. The onset time ranges from 2 days after birth to 6 years and 1 month. Recurrent urticaria rash (93.3%) with fever (100%) were two dominant characteristics of these patients that were presented as either acute or chronic process. Systemic involvements were found in all patients except for one with only rash and fever. The top three symptoms were fever (100%), rash (93...
December 2, 2017: Science China. Life Sciences
https://www.readbyqxmd.com/read/29282619/dickkopf-1-protein-circulating-levels-as-a-possible-biomarker-of-functional-disability-and-chronic-damage-in-patients-with-rheumatoid-arthritis
#14
Ana M Santos, Eugenia-Lucía Saldarriaga, Rodrigo Giraldo-Bustos, Jesus Giovanny Ballesteros-Muñoz, Juan C Rueda, Francy-Milena Cuervo, José-Ignacio Angarita, Andrés Y Vásquez, Sofía Arias-Correal, Camilo A González, Pedro Santos-Moreno, John Londono
Rheumatoid arthritis (RA) is an inflammatory disease characterized by joint destruction, deformity, lower functionality, and decrease in life expectancy. Wingless signaling pathway (Wnt) has been recently involved in bone homeostasis. Studies suggest that overexpression of the pathway inhibitors, like the Dickkopf 1 protein (DKK1), has been implicated in bone destruction. The objective of this study is to compare circulating levels of DKK1 in different groups of patients with disease activity (remission, low, moderate, high activity,) and functionality status...
December 27, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/29275858/engineered-sialylation-of-pathogenic-antibodies-in%C3%A2-vivo-attenuates-autoimmune-disease
#15
Jose D Pagan, Maya Kitaoka, Robert M Anthony
Self-reactive IgGs contribute to the pathology of autoimmune diseases, including systemic lupus erythematosus and rheumatoid arthritis. Paradoxically, IgGs are used to treat inflammatory diseases in the form of high-dose intravenous immunoglobulin (IVIG). Distinct glycoforms on the IgG crystallizable fragment (Fc) dictate these divergent functions. IgG anti-inflammatory activity is attributed to sialylation of the Fc glycan. We therefore sought to convert endogenous IgG to anti-inflammatory mediators in vivo by engineering solubilized glycosyltransferases that attach galactose or sialic acid...
December 11, 2017: Cell
https://www.readbyqxmd.com/read/29259607/associations-between-viral-infection-history-symptoms-granulocyte-reactive-oxygen-species-activity-and-active-rheumatoid-arthritis-disease-in-untreated-women-at-onset-results-from-a-longitudinal-cohort-study-of-tatarstan-women
#16
Marina I Arleevskaya, Albina Z Shafigullina, Yulia V Filina, Julie Lemerle, Yves Renaudineau
To evaluate the effects of infectious episodes at early stages of rheumatoid arthritis (eRA) development, 59 untreated eRA patients, 77 first-degree relatives, from a longitudinal Tatarstan women cohort, were included, and compared to 67 healthy women without rheumatoid arthritis (RA) in their family history. At inclusion, informations were collected regarding both the type and incidence of infectious symptom episodes in the preceding year, and granulocyte reactive oxygen species (ROS) were studied at the basal level and after stimulation with serum-treated zymosan (STZ)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29258867/oxidative-stress-consequences-and-ros-mediated-cellular-signaling-in-rheumatoid-arthritis
#17
REVIEW
Abdul-Rehman Phull, Bakht Nasir, Ihsan Ul Haq, Song Ja Kim
There are numerous extra- and intra-cellular processes involved in the production of reactive oxygen species (ROS). Augmented ROS generation can cause the damage of biomolecules such as proteins, nucleic acid and lipids. ROS act as an intracellular signaling component and is associated with various inflammatory responses, chronic arthropathies, including rheumatoid arthritis (RA). It is well documented that ROS can activate different signaling pathways having a vital importance in the patho-physiology of rheumatoid arthritis...
December 16, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29250657/streptococcal-tonsillitis-related-reactive-arthritis-clinical-ultrasound-imaging-and-immunohistochemical-study
#18
Anca Emanuela Muşetescu, Marius Florea, Mircea Cătălin ForŢofoiu, Ana Maria Bumbea, Andreea Daniela Tudorancea, Cristina Criveanu, Cristina Elena GofiŢă, Paulina Lucia Ciurea, Alexandru Ştefănescu, Ştefan Cristian Dinescu, Carmen Aurelia Mogoantă
In clinical practice and literature studies, the most common condition associated to streptococcal tonsillitis used to be acute rheumatic fever (ARF). Several publications in the late years report a more frequent and distinctive entity from ARF following β-hemolytic group A streptococcus infection in patients with post-infectious arthritis, that do not fulfill the modified Jones criteria, the so-called post-streptococcal reactive arthritis (PSRA). A distinctive pattern of clinical framing and biological profile in patients with PSRA following streptococcal tonsillitis is described, with a non-migratory, additive, recent onset (7-10 days) arthritis that affects small and large joints as well, with a bimodal peak of incidence at 8-14 and 21-37 years of age, with variate response to non-steroidal anti-inflammatory drugs and has a tendency for recurrence and persistence...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/29250517/serum-interleukin-6-and-ccl11-eotaxin-may-be-suitable-biomarkers-for-the-diagnosis-of-chronic-nonbacterial-osteomyelitis
#19
Sigrun Ruth Hofmann, Fanny Böttger, Ursula Range, Christian Lück, Henner Morbach, Hermann Joseph Girschick, Meinolf Suttorp, Christian Michael Hedrich
Objectives: Chronic recurrent multifocal osteomyelitis (CRMO), the most severe form of chronic nonbacterial osteomyelitis (CNO), is an autoinflammatory bone disorder. In the absence of diagnostic criteria or biomarkers, CNO/CRMO remains a diagnosis of exclusion. The aim of this study was to identify biomarkers for diagnosing multifocal disease (CRMO). Study design: Sera from 71 pediatric CRMO patients, 11 patients with osteoarticular infections, 62 patients with juvenile idiopathic arthritis (JIA), 7 patients with para-infectious or reactive arthritis, and 43 patients with acute leukemia or lymphoma, as well as 59 healthy individuals were collected...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/29248936/patients-with-coexistence-of-circulating-hepatitis-b-surface-antigen-and-its-antibody-may-have-a-strong-predisposition-to-virus-reactivation-during-immunosuppressive-therapy-a-hypothesis
#20
Yu-Lan Chen, Ying-Qian Mo, Dong-Hui Zheng, Jian-Da Ma, Jun Jing, Lie Dai
Hepatitis B virus (HBV) reactivation is a well-recognized complication in patients who undergo immunosuppressive drug therapy. Although the recommendation of antiviral prophylaxis made by the American Gastroenterological Association in 2015 focuses on the risk stratification of different immunosuppressive drugs, risk factors for HBV reactivation are also worth identifying in clinical practice. Recent studies have shown that the uncommon serological pattern of coexistent circulating HBV surface antigen (HBsAg) and its antibody (anti-HBs) was associated with double mutations (A1762T/G1764A) in the basal core promoter (BCP) region of the HBV genome, which is critical for HBV replication...
December 17, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
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