Risk factors for poor prognosis in ANCA-associated vasculitis with interstitial lung disease: a systematic review and meta-analysis

作者：Xing He, Weiwei Yuan, Yahui Yang, Jiaqi Ji, Xixi Chen · 发表于：Clinical Rheumatology · 年份：2025 · DOI：10.1007/s10067-025-07378-z · 被引用次数：6 · 研究领域：Vasculitis and related conditions、Systemic Sclerosis and Related Diseases、Inflammatory Myopathies and Dermatomyositis

OBJECTIVE: Antineutrophil cytoplasm antibody-associated vasculitis (AAV) with interstitial lung disease (AAV-ILD) is the main manifestation of AAV involving the lung, further increasing the risk of poor prognosis in patients with AAV. This study aimed to investigate the risk factors associated with mortality in patients with AAV-ILD. METHODS: In Web of Science, PubMed, Embase and Scopus databases, a comprehensive search was performed for English studies on AAV and ILD published from inception date until May 17, 2024. Hazard ratios (HR) and 95% confidence intervals (CI) of mortality-related risk factors in AAV-ILD were collected, and subgroup analyses were carried out based on different candidate risk factors. Cochran's Q statistic and inconsistency value were utilized to assess the heterogeneity of included studies. Sensitivity analysis was executed using one-by-one elimination method, and publication bias was evaluated with Egger's test and the trim-and-fill method. RESULTS: A total of 654 patients with AAV-ILD in eight studies were included for the pooled analysis of mortality risk factors. The results showed that age (HR = 1.06, 95%CI: 1.04, 1.08), ever smoker (HR = 1.61, 95%CI: 1.13, 2.29), usual interstitial pneumonia pattern (HR = 2.07, 95%CI: 1.43, 3.00), acute exacerbation (HR = 2.73, 95%CI: 1.70, 4.40) and microscopic polyangiitis (HR = 4.03, 95%CI: 1.70, 9.55) were associated with an increased risk of AAV-ILD mortality. Conversely, percent predicted forced vital cap...