Nastaran Bayat
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View article: Infections preceding diagnosis associated with myositis phenotypes in a national patient registry
Infections preceding diagnosis associated with myositis phenotypes in a national patient registry Open
Antecedent infections, particularly respiratory and gastrointestinal infections may contribute to adult IIM phenotypes. Pneumonia showed the strongest association with myositis phenotypes accompanied by frequent lung disease.
View article: Occupational and Hobby Exposures Associated With Myositis Phenotypes in a National Myositis Patient Registry
Occupational and Hobby Exposures Associated With Myositis Phenotypes in a National Myositis Patient Registry Open
Objective The objective of this study was to investigate occupational and hobby exposures to silica, solvents, and heavy metals and the odds of having the idiopathic inflammatory myopathy (IIM) phenotypes dermatomyositis (DM) and polymyosi…
View article: Familial clustering of dysbiotic oral and fecal microbiomes in juvenile dermatomyositis
Familial clustering of dysbiotic oral and fecal microbiomes in juvenile dermatomyositis Open
Background : Juvenile dermatomyositis (JDM) is a rare immune-mediated disease of childhood that is thought to result from genetic predisposition and environmental drivers, with documented links to microbial exposures. In this multi-center,…
View article: Corticosteroid discontinuation, complete clinical response and remission in juvenile dermatomyositis
Corticosteroid discontinuation, complete clinical response and remission in juvenile dermatomyositis Open
Objective A North American registry of JDM patients was examined for frequency of and factors associated with corticosteroid discontinuation, complete clinical response and remission. Methods We evaluated probability of achieving final cor…
View article: Association of Ultraviolet Radiation Exposure With Dermatomyositis in a National Myositis Patient Registry
Association of Ultraviolet Radiation Exposure With Dermatomyositis in a National Myositis Patient Registry Open
Objective Dermatomyositis (DM) has been associated with geospatial differences in ultraviolet (UV) radiation, but the role of individual determinants of UV exposure prior to diagnosis is unknown. The objective was to examine the role of th…
View article: 2016 ACR-EULAR adult dermatomyositis and polymyositis and juvenile dermatomyositis response criteria—methodological aspects
2016 ACR-EULAR adult dermatomyositis and polymyositis and juvenile dermatomyositis response criteria—methodological aspects Open
Consensus methodology, with definitions tested on patient profiles and validated using clinical trials, led to 18 definitions for adult PM/DM and 14 for JDM as excellent candidates for consideration in the final consensus on new response c…
View article: 2016 American College of Rheumatology/European League Against Rheumatism Criteria for Minimal, Moderate, and Major Clinical Response in Juvenile Dermatomyositis: An International Myositis Assessment and Clinical Studies Group/Paediatric Rheumatology International Trials Organisation Collaborative Initiative
2016 American College of Rheumatology/European League Against Rheumatism Criteria for Minimal, Moderate, and Major Clinical Response in Juvenile Dermatomyositis: An International Myositis Assessment and Clinical Studies Group/Paediatric Rheumatology International Trials Organisation Collaborative Initiative Open
Objective To develop response criteria for juvenile dermatomyositis (DM). Methods We analyzed the performance of 312 definitions that used core set measures from either the International Myositis Assessment and Clinical Studies Group (IMAC…
View article: 2016 American College of Rheumatology/European League Against Rheumatism Criteria for Minimal, Moderate, and Major Clinical Response in Adult Dermatomyositis and Polymyositis: An International Myositis Assessment and Clinical Studies Group/Paediatric Rheumatology International Trials Organisation Collaborative Initiative
2016 American College of Rheumatology/European League Against Rheumatism Criteria for Minimal, Moderate, and Major Clinical Response in Adult Dermatomyositis and Polymyositis: An International Myositis Assessment and Clinical Studies Group/Paediatric Rheumatology International Trials Organisation Collaborative Initiative Open
Objective To develop response criteria for adult dermatomyositis (DM) and polymyositis (PM). Methods Expert surveys, logistic regression, and conjoint analysis were used to develop 287 definitions using core set measures. Myositis experts …