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Clinical characteristics and poor predictors of anti-NXP2 antibody-associated Chinese JDM children

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Record title

Clinical characteristics and poor predictors of anti-NXP2 antibody-associated Chinese JDM children

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TN_cdi_doaj_primary_oai_doaj_org_article_696361b33dc749988c57268f5b292654

Clinical characteristics and poor predictors of anti-NXP2 antibody-associated Chinese JDM children

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https://collection.sl.nsw.gov.au/record/TN_cdi_doaj_primary_oai_doaj_org_article_696361b33dc749988c57268f5b292654

Clinical characteristics and poor predictors of anti-NXP2 antibody-associated Chinese JDM children

Full title

Clinical characteristics and poor predictors of anti-NXP2 antibody-associated Chinese JDM children

Publisher

England: BioMed Central Ltd

Journal title

Pediatric Rheumatology, 2021, Vol.19 (1), p.6-6

Record Identifier

TN_cdi_doaj_primary_oai_doaj_org_article_696361b33dc749988c57268f5b292654

Language

English

Formats

Publication information

Publisher

England: BioMed Central Ltd

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SCOPE AND CONTENTS

Contents

Juvenile dermatomyositis (JDM) is a rare and sometimes fatal disease in children. The anti-NXP2 antibody is one of the most common antibodies and muscle ischaemia associated with NXP2 autoantibodies was a severe subtype of JDM. Further information is needed regarding clinical characteristics and factors associated with poor prognosis. But there are no reports about clinical characteristics and high risk factor of poor prognosis. For the first time, we introduced the clinical characteristics and poor predictors of anti-NXP2 antibody-associated juvenile dermatomyositis in Chinese children.
Twenty-six patients with anti-NXP2 antibody-related JDM from 85 JDM Chinese patients were diagnosed from January 2016 to November 2019. Logistic regression was used to analyze the risk factors for refractory cases and mortality.
The ratio of male to female was 1:1.9. The median age of onset was 4.5 (1-13) years. Twenty-four cases (92.3%) had rash and muscle weakness. Treatments included glucocorticoids, immunosuppressive agents, biological agents (7 cases), plasma exchange, Janus kinase inhibitor (7 cases) and autologous stem cell transplant (1 case). Refractory JDM patients (11/26, 42.3%) were associated with edema, skin ulcer, muscle strength<=grade 3, CD4/CD8 ratio < 1.4 and ferritin > 200μg/ml. Among 6 cases (6/26, 23.1%) with severe gastrointestinal involvement, 5 cases died and 1 case survived after autologous stem cell transplant (ASCT). The risk factors for gastrointestinal involvement and mortality were edema, skin ulcer, severe muscle weakness (dysphagia/ hoarseness/ soft voice), BMI < 15 and ANA positive.
Edema, skin ulcer and severe muscle weakness predicted refractory disease, GI involvement, and mortality in anti-NXP2 antibody-positive JDM of Chinese children. Decreased CD4/CD8 ratio and high ferritin related with refractory cases, and very low BMI and ANA (+) are probably, associated with gastrointestinal involvement and mortality.
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ALTERNATIVE TITLES

Full title

Clinical characteristics and poor predictors of anti-NXP2 antibody-associated Chinese JDM children

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PRIMARY IDENTIFIERS

Record Identifier

TN_cdi_doaj_primary_oai_doaj_org_article_696361b33dc749988c57268f5b292654

Permalink

https://collection.sl.nsw.gov.au/record/TN_cdi_doaj_primary_oai_doaj_org_article_696361b33dc749988c57268f5b292654

OTHER IDENTIFIERS

ISSN

1546-0096

E-ISSN

1546-0096

DOI

10.1186/s12969-020-00492-z

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