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idiopathic inflammatory myopathy

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https://www.readbyqxmd.com/read/29429407/non-invasive-differentiation-of-idiopathic-inflammatory-myopathy-with-cardiac-involvement-from-acute-viral-myocarditis-using-cardiovascular-magnetic-resonance-imaging-t1-and-t2-mapping
#1
Adrian T Huber, Marine Bravetti, Jérôme Lamy, Tania Bacoyannis, Charles Roux, Alain de Cesare, Aude Rigolet, Olivier Benveniste, Yves Allenbach, Mathieu Kerneis, Philippe Cluzel, Nadjia Kachenoura, Alban Redheuil
BACKGROUND: Idiopathic inflammatory myopathy (IIM) is a group of autoimmune diseases with systemic myositis which may involve the myocardium. Cardiac involvement in IIM, although often subclinical, may mimic clinical manifestations of acute viral myocarditis (AVM). Our aim was to investigate the usefulness of the combined analysis of cardiovascular magnetic resonance (CMR) T1 and T2 mapping parameters measured both in the myocardium and in the thoracic skeletal muscles to differentiate AVM from IIM cardiac involvement...
February 12, 2018: Journal of Cardiovascular Magnetic Resonance
https://www.readbyqxmd.com/read/29396013/coexistence-of-anti-jo1-and-anti-signal-recognition-particle-antibodies-in-a-polymyositis-patient
#2
Enrique Melguizo Madrid, Patricia Fernández Riejos, Francisco Javier Toyos Sáenz de Miera, Berta Fernández Pérez, Concepción González Rodríguez
Idiopathic inflammatory myopathies are a heterogeneous group of potentially treatable myopathies. They are classified, on the basis of clinical and histopathological features, into four subtypes: dermatomyositis, polymyositis, necrotizing autoimmune myositis and inclusion-body myositis. Myositis-associated antibodies and myositis-specific autoantibodies are frequently found in patients with idiopathic inflammatory myopathies, and are useful in the diagnosis and classification. Anti-histidyl transfer RNA synthetase antibody is the most widely prevalent and is highly specific for polymyositis...
January 25, 2018: Reumatología Clinica
https://www.readbyqxmd.com/read/29387187/effect-of-butylphthalide-intervention-on-experimental-autoimmune-myositis-in-guinea-pigs
#3
Juan Chen, Jingyang Wang, Jiyan Zhang, Chuanqiang Pu
Idiopathic inflammatory myopathies are a group of rare muscular diseases that are characterized by acute, subacute or chronic proximal and symmetric muscle weakness, muscle fiber necrosis and infiltration of inflammatory cells, particularly activated CD8+ cytotoxic T cells and phagocytes. 3-n-butylphthalide (NBP) protects mitochondria and reduces the inflammatory response in multiple disease models. In myositis, it has remained elusive whether NBP can protect muscle cells from muscle fiber injury. Experimental autoimmune myositis (EAM) was induced in a total of 40 guinea pigs by myosin immunization...
January 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29380533/analysis-of-anti-melanoma-differentiation-associated-gene-5-antibody-in-hong-kong-chinese-patients-with-idiopathic-inflammatory-myopathies-diagnostic-utility-and-clinical-correlations
#4
Ho So, Ricky W-K Ip, Victor T-L Wong, Ronald M-L Yip
AIM: To compare the prevalence of the anti-melanoma differentiation-associated gene 5 antibody (anti-MDA5 Ab) in Hong Kong Chinese patients with dermatomyositis (DM) and polymyositis (PM); in addition, to examine the association of anti-MDA5 Ab and the clinical characteristics of these patients. METHODS: Twenty consecutive existing patients with DM being followed up at the Rheumatology Clinic of Kwong Wah Hospital, Hong Kong were recruited. Twenty patients with PM were recruited from the same clinic as the controls...
January 30, 2018: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/29331962/splicing-variant-of-wdfy4-augments-mda5-signalling-and-the-risk-of-clinically-amyopathic-dermatomyositis
#5
Yuta Kochi, Yoichiro Kamatani, Yuya Kondo, Akari Suzuki, Eiryo Kawakami, Ryosuke Hiwa, Yukihide Momozawa, Manabu Fujimoto, Masatoshi Jinnin, Yoshiya Tanaka, Takashi Kanda, Robert G Cooper, Hector Chinoy, Simon Rothwell, Janine A Lamb, Jiří Vencovský, Heřman Mann, Koichiro Ohmura, Keiko Myouzen, Kazuyoshi Ishigaki, Ran Nakashima, Yuji Hosono, Hiroto Tsuboi, Hidenaga Kawasumi, Yukiko Iwasaki, Hiroshi Kajiyama, Tetsuya Horita, Mariko Ogawa-Momohara, Akito Takamura, Shinichiro Tsunoda, Jun Shimizu, Keishi Fujio, Hirofumi Amano, Akio Mimori, Atsushi Kawakami, Hisanori Umehara, Tsutomu Takeuchi, Hajime Sano, Yoshinao Muro, Tatsuya Atsumi, Toshihide Mimura, Yasushi Kawaguchi, Tsuneyo Mimori, Atsushi Takahashi, Michiaki Kubo, Hitoshi Kohsaka, Takayuki Sumida, Kazuhiko Yamamoto
OBJECTIVES: Idiopathic inflammatory myopathies (IIMs) are a heterogeneous group of rare autoimmune diseases in which both genetic and environmental factors play important roles. To identify genetic factors of IIM including polymyositis, dermatomyositis (DM) and clinically amyopathic DM (CADM), we performed the first genome-wide association study for IIM in an Asian population. METHODS: We genotyped and tested 496 819 single nucleotide polymorphism for association using 576 patients with IIM and 6270 control subjects...
January 13, 2018: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/29328539/early-detection-of-myocardial-involvement-by-t1-mapping-of-cardiac-mri-in-idiopathic-inflammatory-myopathy
#6
Liuyu Yu, Jianhong Sun, Jiayu Sun, Jiangbo Li, Yang Dong, Xiaoyue Zhou, Andreas Greiser, Yuchi Han, Qing Zhang, Qibing Xie, Yucheng Chen
BACKGROUND: Polymyositis (PM) and dermatomyositis (DM) are common types of idiopathic inflammatory myopathy (IIM), wherein patients are prone to adverse cardiovascular events. PURPOSE: To explore the value of cardiac magnetic resonance imaging (MRI) for detecting cardiac involvement in PM/DM patients using a T1 mapping technique. STUDY TYPE: Prospective observational study. POPULATION: In all, 25 PM/DM patients free of cardiovascular symptoms and preserved ventricular systolic function and 25 healthy volunteers matched for age and sex served as controls...
January 12, 2018: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/29320838/-advances-in-autoantibodies-of-idiopathic-inflammatory-myopathy-and-interstitial-lung-disease
#7
M M Xie, H R Cai
No abstract text is available yet for this article.
November 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/29317406/response-to-performance-of-the-2017-european-league-against-rheumatism-american-college-of-rheumatology-classification-criteria-for-adult-and-juvenile-idiopathic-inflammatory-myopathies-in-clinical-practice-by-ho%C3%A4-evar-et-al
#8
https://www.readbyqxmd.com/read/29314762/opportunistic-infections-in-patients-with-idiopathic-inflammatory-myopathies
#9
Ada Redondo-Benito, Adrian Curran, Ana Villar-Gomez, Ernesto Trallero-Araguas, Andreu Fernández-Codina, Iago Pinal-Fernandez, Jose Ángel Rodrigo-Pendás, Albert Selva-O'Callaghan
AIM: To describe the prevalence, clinical characteristics and risk factors of opportunistic infection (OI) in a cohort of patients with inflammatory myopathies, and compare mortality rates between those with and without OIs. METHODS: In total, 204 patients from our myositis cohort were reviewed to identify patients who had experienced an OI during the period 1986-2014. The patients' clinical characteristics, treatments received, and outcomes were systematically recorded...
January 5, 2018: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/29261752/a-comparison-of-health-related-quality-of-life-hrqol-across-four-systemic-autoimmune-rheumatic-diseases-sards
#10
Julia Greenfield, Marie Hudson, Evelyne Vinet, Paul R Fortin, Vivian Bykerk, Christian A Pineau, Mianbo Wang, Sasha Bernatsky, Murray Baron
OBJECTIVES: To compare physical and mental health-related quality of life (HRQoL) across four systemic autoimmune rheumatic diseases (SARD). METHODS: Incident subjects enrolled in four SARD cohorts, namely systemic lupus erythematosus (SLE), systemic sclerosis (SSc), rheumatoid arthritis (RA) and idiopathic inflammatory myopathies (IIM) were studied. The outcomes of interest were baseline Short Form Health Survey physical (PCS) and mental (MCS) component summary scores...
2017: PloS One
https://www.readbyqxmd.com/read/29261630/18f-fdg-pet-ct-and-mri-in-necrotizing-autoimmune-myopathy-the-scarface-sign
#11
Coralie Pelissou, Nathalie Lerolle, Céline Labeyrie, Emmanuel Durand, Florent L Besson
Necrotizing autoimmune myopathy (NAM) is a relatively newly recognized subgroup of idiopathic inflammatory myopathies. The common histopathologic features are myocyte necrosis without significant inflammation. Necrotizing autoimmune myopathy can be associated with connective tissue disorders but can also be triggered by viral infections such as human immunodeficiency virus or malignancy, be statin-induced NAM, or be idiopathic. Here, the authors present the case of a 58-year-old man who was referred to our PET unit for a suspected paraneoplastic syndrome in a context of NAM...
February 2018: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29247124/response-to-2017-eular-acr-classification-criteria-for-adult-and-juvenile-idiopathic-inflammatory-myopathies-and-their-major-subgroups-little-emphasis-on-autoantibodies-why-by-malaviya
#12
Ingrid E Lundberg, Anna Tjärnlund
No abstract text is available yet for this article.
December 15, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/29230129/paraneoplastic-cardiac-involvement-in-renal-cell-carcinoma-with-dermatomyositis-sine-dermatitis
#13
Htoo Kyaw, Atif Z Shaikh, Cesar Ayala-Rodriguez, Misra Deepika
Background: Dermatomyositis is an idiopathic inflammatory myopathy that has been established as one of the many paraneoplastic phenomena. Cardiac involvement can occur with dermatomyositis but has rarely been reported in the literature because symptoms are usually subclinical. Case Report: A 72-year-old female presented with generalized weakness for 1 month after a recent diagnosis of renal cell carcinoma. Her weakness was attributed to a myopathic process that was identified as dermatomyositis after muscle biopsy...
2017: Ochsner Journal
https://www.readbyqxmd.com/read/29222707/quantitative-3d-scintigraphy-shows-increased-muscular-uptake-of-pyrophosphate-in-idiopathic-inflammatory-myopathy
#14
Karin Folmer Thøgersen, Jane Angel Simonsen, Svend Hvidsten, Oke Gerke, Søren Jacobsen, Poul Flemming Høilund-Carlsen, Karen Middelbo Buch-Olsen, Louise Pyndt Diederichsen
BACKGROUND: Nuclear imaging is increasingly being used in the diagnostic work-up of idiopathic inflammatory myopathy (IIM). Increased muscular uptake of technetium-99m-pyrophosphate (99mTc-PYP) has hitherto been assessed qualitatively by planar scintigraphy. We set out to perform quantitative tomographic scintigraphy in IIM. RESULTS: Ninety IIM patients and 48 control subjects underwent 99mTc-PYP single-photon emission computed tomography (SPECT)/CT of the upper and lower body...
December 8, 2017: EJNMMI Research
https://www.readbyqxmd.com/read/29217291/pregnancy-outcomes-in-adult-patients-with-dermatomyositis-and-polymyositis
#15
Kathleen D Kolstad, David Fiorentino, Shufeng Li, Eliza F Chakravarty, Lorinda Chung
OBJECTIVE: The idiopathic inflammatory myopathies dermatomyositis (DM) and polymyositis (PM) are autoimmune diseases that can affect females of childbearing potential. We assessed pregnancy outcomes in DM and PM patients compared with the general obstetric population. METHODS: The Nationwide Inpatient Sample (NIS) (1993-2007) was used to identify delivery-associated hospitalizations in women with DM or PM (DM/PM, n = 853). Controls were from the general obstetric population delivery-associated hospitalizations matched to each case by year of delivery...
November 20, 2017: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/29185960/one-year-in-review-2017-idiopathic-inflammatory-myopathies
#16
REVIEW
Simone Barsotti, Cosimo Bruni, Laura Cometi, Valentina Valentini, Elisa Cioffi, Rossella Neri, Lorenzo Cavagna
Every year new concepts about pathogenesis, serology, diagnosis and treatment in inflammatory myopathies (IIMs) have been provided. The purpose of this manuscript is to summarise the most relevant literature contributions published over the last year about these complex and rare diseases.
November 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/29178913/identification-of-multiple-cancer-associated-myositis-specific-autoantibodies-in-idiopathic-inflammatory-myopathies-a-large-longitudinal-cohort-study
#17
Hanbo Yang, Qinglin Peng, Liguo Yin, Shanshan Li, Jingli Shi, Yamei Zhang, Xin Lu, Xiaoming Shu, Sigong Zhang, Guochun Wang
BACKGROUND: Cancer is a significant complication contributing to increased mortality in idiopathic inflammatory myopathies (IIMs), and the association between IIMs and cancer has been extensively reported. Myositis-specific autoantibodies (MSAs) can help to stratify patients into more homogeneous groups and may be used as a biomarker for cancer-associated myositis. In this study, we aimed to systematically define the cancer-associated MSAs in IIMs. METHODS: Serum from 627 patients with IIMs was tested for MSAs...
November 25, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/29177080/eular-acr-classification-criteria-for-adult-and-juvenile-idiopathic-inflammatory-myopathies-and-their-major-subgroups-a-methodology-report
#18
Matteo Bottai, Anna Tjärnlund, Giola Santoni, Victoria P Werth, Clarissa Pilkington, Marianne de Visser, Lars Alfredsson, Anthony A Amato, Richard J Barohn, Matthew H Liang, Jasvinder A Singh, Rohit Aggarwal, Snjolaug Arnardottir, Hector Chinoy, Robert G Cooper, Katalin Danko, Mazen M Dimachkie, Brian M Feldman, Ignacio García-De La Torre, Patrick Gordon, Taichi Hayashi, James D Katz, Hitoshi Kohsaka, Peter A Lachenbruch, Bianca A Lang, Yuhui Li, Chester V Oddis, Marzena Olesinka, Ann M Reed, Lidia Rutkowska-Sak, Helga Sanner, Albert Selva-O'Callaghan, Yeong Wook Song, Jiri Vencovsky, Steven R Ytterberg, Frederick W Miller, Lisa G Rider, Ingrid E Lundberg
Objective: To describe the methodology used to develop new classification criteria for adult and juvenile idiopathic inflammatory myopathies (IIMs) and their major subgroups. Methods: An international, multidisciplinary group of myositis experts produced a set of 93 potentially relevant variables to be tested for inclusion in the criteria. Rheumatology, dermatology, neurology and paediatric clinics worldwide collected data on 976 IIM cases (74% adults, 26% children) and 624 non-IIM comparator cases with mimicking conditions (82% adults, 18% children)...
2017: RMD Open
https://www.readbyqxmd.com/read/29173693/three-cases-of-anti-tnf-induced-myositis-and-literature-review
#19
Orhan Zengin, Mustafa Erkut Onder, Samet Alkan, Gezmiş Kimyon, Nergis Hüseynova, Zeynep Hanım Demir, Bünyamin Kısacık, Ahmet Mesut Onat
Anti-tumor necrosis factor drugs are frequently preferred in the treatment of rheumatologic diseases and other inflammatory diseases. The development of myositis after using anti-tumor necrosis factor drugs is a rare clinical condition. Here we aimed to report cases who developed myositis after using anti-tumor necrosis factor drugs and review the current literature. We report two cases of rheumatoid arthritis and a case of ankylosing spondylitis developed idiopathic inflammatory myopathy following anti-tumor necrosis factor therapy...
November 2017: Revista Brasileira de Reumatologia
https://www.readbyqxmd.com/read/29168054/cardiac-function-in-patients-with-polymyositis-or-dermatomyositis-a-three-dimensional-speckle-tracking-echocardiography-study
#20
Yue Zhong, Wenjuan Bai, Qibing Xie, Jianhong Sun, Hong Tang, Li Rao
Cardiac event is a major cause of death in patients with idiopathic inflammatory myopathies (IIM). The most frequent IIMs are polymyositis (PM) and dermatomyositis (DM). The purpose of this study was to analyze cardiac involvement by three-dimensional speckle-tracking echocardiography (3D STE) in patients with PM or DM, and to identify the relationship of cardiac injury with clinical characteristics and disease-specific parameters. 60 PM/DM patients with preserved left ventricular ejection fraction and 30 matched healthy controls were assessed by conventional echocardiography, 3D STE with biventricular strain analysis and electrocardiogram...
November 22, 2017: International Journal of Cardiovascular Imaging
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