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https://www.readbyqxmd.com/read/29766941/idiopathic-inflammatory-myopathies-in-adults-a-comparative-study-of-bohan-and-peter-and-european-neuromuscular-center-2004-criteria
#1
Sundaram Challa, Saumya Jakati, Megha S Uppin, Meena A Kannan, Rajasekhar Liza, M K Murthy Jagarlapudi
Background: Bohan and Peter criteria are widely used for the diagnosis of idiopathic inflammatory myopathies (IIMs). Recently, European Neuromuscular Center (ENMC) formulated criteria to identify subgroups of IIMs. Aim: To compare the two diagnostic criteria in adult IIMs. Materials and Methods: This was a retrospective review of case records of histologically confirmed IIMs in adults between January 2014 and May 2015. Both the Bohan and Peter, and ENMC 2004 criteria were applied in the same group of patients to subgroup the IIMs...
May 2018: Neurology India
https://www.readbyqxmd.com/read/29745890/pattern-of-muscle-involvement-in-inclusion-body-myositis-a-sonographic-study
#2
Jemima Albayda, Lisa Christopher-Stine, Clifton O Bingham Iii, Julie J Paik, Eleni Tiniakou, Seth Billings, O Manny Uy, Philippe Burlina
OBJECTIVES: Imaging plays a role in myositis assessment by detecting muscle changes indicative of pathology. This study was conducted to determine the ultrasonographic pattern of muscle involvement in patients with inclusion body myositis (IBM) through an assessment of muscle echointensity. METHODS: Sixty-two individuals were consecutively studied, 18 with IBM, 16 with polymyositis or dermatomyositis and 28 normal controls. Standardised scans were completed bilaterally for the deltoids, biceps, flexor digitorum profundus (FDP), flexor carpi ulnaris, rectus femoris, tibialis anterior and gastrocnemius assessing for muscle echointensity changes...
May 8, 2018: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/29741130/quantitative-characterization-of-the-relationship-between-levels-of-extended-corticosteroid-use-and-related-adverse-events-in-a-us-population
#3
J Bradford Rice, Alan G White, Michaela Johnson, Aneesha Wagh, Yimin Qin, Laura Bartels-Peculis, Gosia Ciepielewska, Winnie W Nelson
OBJECTIVE: This retrospective study assessed the incidence and timing of adverse events (AEs) among patients prescribed varying dose levels of corticosteroids in the US. METHODS: Patients with selected autoimmune or inflammatory disease diagnoses between 2006 and 2015 were identified from a privately-insured administrative database. Patients were stratified into treatment cohorts based on dosage and length of corticosteroid use: intermittent use with duration <60 days, and three extended use cohorts with duration ≥60 days at low (≤7...
May 9, 2018: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/29720802/a-viral-polymyositis-masquerade-life-threatening-case-of-juvenile-dermatomyositis-complicated-by-systemic-capillary-leak-syndrome
#4
Bhaskara P Shelley, Shrijeet Chakraborti
This is a case report of an 8-year-old boy who developed an atypical, rare subphenotype of autoimmune inflammatory acute juvenile dermatomyositis (JDM), initially masquerading as viral polymyositis (PM)-like presentation, that was complicated by a hitherto unreported fulminant, life-threatening pediatric systemic capillary leak syndrome (SCLS). We highlight the close differential between viral PM and JDM, the baffling clinical syndromic constellation of hypotension with hemoconcentration - a "shock"-like syndrome, hypoalbuminemia without albuminuria, and generalized edema with the atypical JDM presentation, and stress crucial need to implement early aggressive, multipronged immunomodulatory treatment along with intensive fluid resuscitation which saved the life, this patient from a stormy, and turbulent 4-week clinical illness...
January 2018: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/29720222/targeted-lipidomics-analysis-identified-altered-serum-lipid-profiles-in-patients-with-polymyositis-and-dermatomyositis
#5
Joan Raouf, Helena Idborg, Petter Englund, Helene Alexanderson, Maryam Dastmalchi, Per-Johan Jakobsson, Ingrid E Lundberg, Marina Korotkova
BACKGROUND: Polymyositis (PM) and dermatomyositis (DM) are severe chronic autoimmune diseases, characterized by muscle fatigue and low muscle endurance. Conventional treatment includes high doses of glucocorticoids and immunosuppressive drugs; however, few patients recover full muscle function. One explanation of the persistent muscle weakness could be altered lipid metabolism in PM/DM muscle tissue as we previously reported. Using a targeted lipidomic approach we aimed to characterize serum lipid profiles in patients with PM/DM compared to healthy individuals (HI) in a cross-sectional study...
May 2, 2018: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/29713867/treatment-of-adult-idiopathic-inflammatory-myopathies-with-conventional-immunosuppressive-drugs-results-of-a-retrospective-study
#6
G Keyßer, S Zierz, M Kornhuber
OBJECTIVES: To gain information about the efficacy of immunosuppressive drugs as first-, second-, and third-line treatment of idiopathic inflammatory myopathies (IIM). METHODS: 112 treatment cycles of 63 patients with dermatomyositis (n = 23), polymyositis (n = 33), overlap syndromes (n = 4), and undifferentiated connective tissue diseases (n = 3) were analyzed by retrospective chart analysis. Data regarding muscle strength, muscle enzymes, treatment duration, and treatment discontinuation were collected...
April 30, 2018: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/29705167/stiff-person-syndrome-with-evidence-of-non-specific-focal-myositis-secondary-to-sustained-muscle-contraction-a-case-report
#7
Seung-Wook No, Il-Gyu Lim, Du Hwan Kim
Stiff person syndrome (SPS) is a rare neuroimmunological disorder characterized by progressive muscular rigidity and spasms that affect axial and limb muscles. There have been a few reports that patients with SPS had evidences of polymyositis (PM). There have been no clear explanations about the characteristics of PM in SPS. We report the case of a 36-year-old woman with SPS in association with non-specific focal myositis secondary to sustained muscle contraction. She presented with stiffness and pain in her extremities, and diazepam and baclofen were ineffective...
April 26, 2018: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/29703532/the-effect-of-cigarette-smoking-on-the-clinical-and-serological-phenotypes-of-polymyositis-and-dermatomyositis
#8
Adam Schiffenbauer, Sara Faghihi-Kashani, Terrence P O'Hanlon, Willy A Flegel, Sharon D Adams, Ira N Targoff, Chester V Oddis, Steven R Ytterberg, Rohit Aggarwal, Lisa Christopher-Stine, Ejaz A Shamim, Paul F Dellaripa, Sonye K Danoff, Andrew L Mammen, Frederick W Miller
OBJECTIVE: Cigarette smoking is associated with immune-mediated disorders. We explored the contribution of smoking to polymyositis (PM) and dermatomyositis (DM) phenotypes and attempted to determine whether cigarette smoking effects differ by race and genotype. METHODS: Associations of tobacco smoking with disease features, autoantibodies, HLA types, and race were evaluated using multiple logistic regressions in 465 patients. RESULTS: Caucasian ever-smokers (n = 140) were more likely to have PM (adjusted OR = 2...
February 14, 2018: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/29672805/musculoskeletal-manifestations-of-non-ra-connective-tissue-diseases-scleroderma-systemic-lupus-erythematosus-still-s-disease-dermatomyositis-polymyositis-sj%C3%A3-gren-s-syndrome-and-mixed-connective-tissue-disease
#9
Thibaut Jacques, Iwona Sudoł-Szopińska, Neal Larkman, Phil O'Connor, Anne Cotten
The most common systemic rheumatologic conditions are connective tissue diseases (including rheumatoid arthritis [RA]) followed by spondyloarthropathy. With the advent of biotherapies and imaging biomarkers, development in the imaging of RA and spondyloarthropathies has received substantial attention in the literature. This article details the various musculoskeletal imaging features of the other connective tissue diseases such as scleroderma and progressive systemic sclerosis, systemic lupus erythematosus, Still's disease, dermatomyositis and polymyositis, Sjögren's syndrome, and mixed connective tissue disease...
April 2018: Seminars in Musculoskeletal Radiology
https://www.readbyqxmd.com/read/29669460/current-diagnosis-and-treatment-of-polymyositis-and-dermatomyositis
#10
Hirokazu Sasaki, Hitoshi Kohsaka
Idiopathic inflammatory myopathies (IIMs) are heterogeneous disorders that affect the skeletal muscles. Polymyositis, dermatomyositis, and inclusion body myositis are major IIM subsets. Immune-mediated necrotizing myopathy became recognized as a potentially new IIM subset. Since the new classification criteria published by the International Myositis Classification Criteria Project have higher sensitivity and specificity for IIM classification and subclassification than the previous criteria, they should help precise diagnosis...
April 18, 2018: Modern Rheumatology
https://www.readbyqxmd.com/read/29668540/aplastic-anemia-as-an-immune-mediated-complication-of-thymoma-a-case-report
#11
Ersin Toret, Bengü Demirag, Sultan A Köker, Onur Doyurgan, Malik Ergin, Sinan Genc, Tuba H Karapinar, Yilmaz Ay, Yeşim Oymak, Canan Vergin
Thymomas are the most common masses located in the anterior mediastinum, and they are often associated with autoimmune disorders including myasthenia gravis, polymyositis, and aplastic anemia (AA). Autoreactive T-cell clones generated by the thymoma may lead to autoimmune disorders. We report the case of a 14-year-old boy who was examined for AA, and the underlying cause was determined to be an immune-mediated complication of thymoma. He had no matched sibling donors. He underwent thymectomy, and 3 months later he was treated with immunosuppressive therapy (IST), consisting of antithymocyte globulin and cyclosporine A...
April 17, 2018: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/29657141/association-of-serum-soluble-cd163-with-polymyositis-and-dermatomyositis-especially-in-anti-mda5-antibody-positive-cases
#12
Hidenaga Kawasumi, Yasuhiro Katsumata, Akira Nishino, Shinya Hirahara, Yasushi Kawaguchi, Masataka Kuwana, Hisashi Yamanaka
OBJECTIVE: We elucidated the association of serum soluble CD163 (sCD163) with rapidly progressive interstitial lung disease (RP-ILD), autoantibody profiles, and serum ferritin in patients with polymyositis (PM), classic dermatomyositis (DM), and clinical amyopathic dermatomyositis (CADM). METHODS: Serum sCD163 levels were retrospectively measured by ELISA in patients with PM, classic DM, and CADM, as well as in healthy controls (HC). Repeat sera samples were obtained posttreatment from available patients...
April 15, 2018: Journal of Rheumatology
https://www.readbyqxmd.com/read/29651121/classification-of-myositis
#13
REVIEW
Ingrid E Lundberg, Marianne de Visser, Victoria P Werth
The idiopathic inflammatory myopathies (IIMs; also known as myositis) are a heterogeneous group of disorders in which a common feature is chronic inflammation of skeletal muscle, leading to muscle weakness. Other organs are frequently affected in IIMs, such as the skin, joints, lungs, gastrointestinal tract and heart, contributing to morbidity and mortality. Currently, IIMs are most often subclassified into polymyositis, dermatomyositis and inclusion body myositis, but this subclassification has limitations as these subgroups often have overlapping clinical and histopathological features, and outcomes vary within the subgroups; additionally, subgroups without considerable myopathy are not included...
April 12, 2018: Nature Reviews. Rheumatology
https://www.readbyqxmd.com/read/29651119/update-on-outcome-assessment-in-myositis
#14
REVIEW
Lisa G Rider, Rohit Aggarwal, Pedro M Machado, Jean-Yves Hogrel, Ann M Reed, Lisa Christopher-Stine, Nicolino Ruperto
The adult and juvenile myositis syndromes, commonly referred to collectively as idiopathic inflammatory myopathies (IIMs), are systemic autoimmune diseases with the hallmarks of muscle weakness and inflammation. Validated, well-standardized measures to assess disease activity, known as core set measures, were developed by international networks of myositis researchers for use in clinical trials. Composite response criteria using weighted changes in the core set measures of disease activity were developed and validated for adult and juvenile patients with dermatomyositis and adult patients with polymyositis, with different thresholds for minimal, moderate and major improvement in adults and juveniles...
April 12, 2018: Nature Reviews. Rheumatology
https://www.readbyqxmd.com/read/29615652/interleukin-23-as-a-therapeutic-target-for-inflammatory-myopathy
#15
Natsuka Umezawa, Kimito Kawahata, Fumitaka Mizoguchi, Naoki Kimura, Yoko Yoshihashi-Nakazato, Nobuyuki Miyasaka, Hitoshi Kohsaka
Current treatments of polymyositis and dermatomyositis (PM/DM) depend on non-specific immunosuppressants. This study was performed to elucidate the role of interleukin (IL)-23, as their possible therapeutic target. As was reported earlier in PM/DM patients, serum IL-23 levels were elevated in mice with C protein induced-myositis (CIM), a murine model of PM. IL-23 was expressed by macrophages in the PM/DM and CIM muscles and by dendritic cells and macrophages in the lymph nodes from the CIM mice. It was also expressed by macrophages in the chemically injured muscles, but not those recruited into the muscles by footpad injection of Freund's complete adjuvant, demonstrating that IL-23 production should be associated with muscle damage...
April 3, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29614309/advances-in-biomarkers-for-dermatomyositis
#16
REVIEW
Wei-Ming Yang, Juan-Juan Chen
Dermatomyositis (DM) and polymyositis (PM) are heterogeneous complex autoimmune diseases involving muscle damage. Patients with DM and PM display a wide spectrum of clinical manifestations and serological biomarkers, which may mislead and delay the proper diagnosis. Therefore, specific biomarkers or indicators for diagnosing DM and PM and monitoring disease activity are essential. Significant progress has been made through identifying novel serological biomarkers for DM and PM in recent years. Our aim is to focus on novel biomarkers for diagnosing and monitoring disease activity in DM and PM to highlight their predictive value and applicability in clinical practice...
March 31, 2018: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29595280/-idiopathic-inflammatory-myopathies
#17
Jiří Vencovský
Idiopathic inflammatory myopathies form a heterogeneous group of acquired inflammatory diseases afflicting striated muscles. The disease is frequently accompanied by systemic and organ involvement. Dermatomyositis, polymyositis, cancer associated myositis, immune mediated necrotizing myopathy, myositis in overlap syndromes, juvenile myositis and inclusion body myositis are the most frequently encountered subtypes. The basic manifestation is usually painless muscle weakness brought about by inflammation and by other immune changes at the impacted muscles...
2018: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/29579414/triggers-of-inflammatory-myopathy-insights-into-pathogenesis
#18
Brittany L Adler, Lisa Christopher-Stine
The inflammatory myopathies, which include dermatomyositis, polymyositis, and the immune-mediated necrotizing myopathies, are a heterogeneous group of autoimmune diseases that manifest with muscle, skin, or lung damage. Collectively, these autoimmune diseases result from loss of tolerance to a select group of self-antigens, although the precise mechanism through which this occurs is not known. Infection, malignancy, and certain medications including statins and the immune checkpoint inhibitors used in cancer therapy have been identified as potential immunologic triggers of the inflammatory myopathies...
February 2018: Discovery Medicine
https://www.readbyqxmd.com/read/29541951/the-prevalence-and-clinical-significance-of-anti-puf60-antibodies-in-patients-with-idiopathic-inflammatory-myopathy
#19
Ya-Mei Zhang, Han-Bo Yang, Jing-Li Shi, He Chen, Xiao-Ming Shu, Xin Lu, Guo-Chun Wang, Qing-Lin Peng
Autoantibodies against poly-U-binding factor 60 kDa protein (PUF60) have been reported in Caucasian dermatomyositis (DM) patients. However, their clinical significance in idiopathic inflammatory myopathy (IIM) remains to be fully clarified. Our objective was to analyze the prevalence and clinical significance of anti-PUF60 antibodies in a large cohort of Chinese IIM patients. In our study, 388 IIM patients, 301 disease controls, and 167 healthy controls (HCs) were involved. An enzyme-linked immunosorbent assay (ELISA) was developed to detect serum anti-PUF60 levels and was validated using immunoblotting methods...
March 15, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29532268/monoclonal-gammopathy-in-rheumatic-diseases
#20
Yue Yang, Long Chen, Yuan Jia, Yang Liu, Lei Wen, Yaoxian Liang, Yuan An, Shi Chen, Yin Su, Zhanguo Li
To analyze the clinical spectrum, laboratory characteristics, and outcomes of monoclonal gammopathy (MG) in patients with rheumatic diseases. Screening for the presence of MG was performed in 872 inpatients with rheumatic diseases from January 2010 to July 2017. A total of 41 patients were enrolled. Their clinical and biological features in addition to outcomes were described. For each patient with primary Sjögren syndrome (pSS), 2 age- and sex-matched pSS patients without MG were selected as controls. Risk factors for the presence of MG and malignant hematological neoplasias were assessed...
March 13, 2018: Clinical Rheumatology
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