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Doença pulmonar intersticial relacionada a miosite e a síndrome antissintetase / Myositis-related interstitial lung disease and antisynthetase syndrome
Solomon, Joshua; Swigris, Jeffrey J; Brown, Kevin K.
  • Solomon, Joshua; National Jewish Health. Autoimmune Lung Center. Interstitial Lung Disease Program. Denver. US
  • Swigris, Jeffrey J; National Jewish Health. Autoimmune Lung Center. Interstitial Lung Disease Program. Denver. US
  • Brown, Kevin K; National Jewish Health. Autoimmune Lung Center. Interstitial Lung Disease Program. Denver. US
J. bras. pneumol ; 37(1): 100-109, jan.-fev. 2011. ilus, tab
Article in Portuguese | LILACS | ID: lil-576102
RESUMO
Em pacientes com miosite, é comum o comprometimento pulmonar, e a presença de anticorpos anti-aminoacil-RNAt sintetase (anti-ARS) é preditora da presença ou do desenvolvimento de doença pulmonar intersticial (DPI). Uma entidade clínica distinta - a síndrome antissintetase - é caracterizada pela presença de anticorpos anti-ARS, miosite, DPI, artrite, fenômeno de Raynaud e "mãos de mecânico". O mais comum anticorpo anti-ARS é o anti-Jo-1. Anticorpos anti-ARS mais recentemente descritos podem conferir um fenótipo que é distinto daquele de pacientes com positividade para anti-Jo-1, sendo caracterizado por uma menor incidência de miosite e uma maior incidência de DPI. Nos pacientes com DPI relacionada à síndrome antissintetase, a resposta a medicações imunossupressoras é em geral favorável.
ABSTRACT
In patients with myositis, the lung is commonly involved, and the presence of anti-aminoacyl-tRNA synthetase (anti-ARS) antibodies marks the presence or predicts the development of interstitial lung disease (ILD). A distinct clinical entity-antisynthetase syndrome-is characterized by the presence of anti-ARS antibodies, myositis, ILD, fever, arthritis, Raynaud's phenomenon, and mechanic's hands. The most common anti-ARS antibody is anti-Jo-1. More recently described anti-ARS antibodies might confer a phenotype that is distinct from that of anti-Jo-1-positive patients and is characterized by a lower incidence of myositis and a higher incidence of ILD. Among patients with antisynthetase syndrome-related ILD, the response to immunosuppressive medications is generally, but not universally, favorable.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Autoantibodies / Lung Diseases, Interstitial / Amino Acyl-tRNA Synthetases / Myositis Type of study: Diagnostic study / Prognostic study Limits: Humans Language: Portuguese Journal: J. bras. pneumol Journal subject: Pulmonary Disease (Specialty) Year: 2011 Type: Article Affiliation country: United States Institution/Affiliation country: National Jewish Health/US

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Full text: Available Index: LILACS (Americas) Main subject: Autoantibodies / Lung Diseases, Interstitial / Amino Acyl-tRNA Synthetases / Myositis Type of study: Diagnostic study / Prognostic study Limits: Humans Language: Portuguese Journal: J. bras. pneumol Journal subject: Pulmonary Disease (Specialty) Year: 2011 Type: Article Affiliation country: United States Institution/Affiliation country: National Jewish Health/US