Increased serum level of IL-6 predicts poor prognosis in anti-MDA5-positive dermatomyositis with rapidly progressive interstitial lung disease

Autor: Yuanyuan Niu, Suling Liu, Qian Qiu, Di Fu, Youjun Xiao, Liuqin Liang, Yang Cui, Shanhui Ye, Hanshi Xu
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: Arthritis Research & Therapy, Vol 26, Iss 1, Pp 1-16 (2024)
Druh dokumentu: article
ISSN: 1478-6362
DOI: 10.1186/s13075-024-03415-5
Popis: Abstract Backgroud Anti-melanoma differentiation-associated protein 5 antibody-positive dermatomyositis (anti-MDA5-positvie DM) is a subtype of dermatomyositis with a poor prognosis, characterized by rapidly progressive interstitial lung disease (RP-ILD). The study aims to investigate the significance of serum cytokines profiles and peripheral lymphocytes in predicting prognoses of anti-MDA5-positvie DM with RP-ILD. Furthermore, it seeks to analyze longitudinal data of lymphocytes during hospitalization to identify distinct trajectories and cluster patients accordingly. Methods A total of 168 patients with anti-MDA5-positive DM were enrolled in this retrospective study from two cohorts. Univariate and multivariate Cox regression analyses were conducted to determine the predictors of 6-month all-cause mortality and RP-ILD. Group-based trajectory modeling (GBTM) was employed to model the trajectories of longitudinal peripheral lymphocytes. Results In the multivariate Cox regression analysis, IL-6 ≥ 13.41pg/mL, lymphocytes
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