Arthritis & rheumatology (Hoboken, N.J.) · 2026
Interstitial Lung Disease in Antineutrophil Cytoplasmic Antibody-Associated Vasculitis: A European Multicenter Study.
СтатьяМногоцентровое исследованиеНазвание и аннотация: Перевод в очереди
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Chalkia Aglaia, Kotnik Marusa, Sadler Timothy J, Katechis Spyridon, Jones Rachel, Kamath Ajay, Mohammad Aladdin J, Monti Sara, Mukhtyar Chetan, Nanda Viral, Petrakis Ioannis, Petras Dimitrios, Sinha Ashnish, Sivasothy Pasupathy, Smith Rona, Stylianou Kostas, Vassilopoulos Dimitrios, Babar Judith, Jayne David
Аннотация
OBJECTIVE: Interstitial lung disease (ILD) can occur in association with antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV-ILD) or as an isolated entity with positive ANCA (ANCA-ILD). However, data on the epidemiology and outcomes of these conditions remain limited.
METHODS: A European multicenter retrospective study encompassed patients with AAV-ILD or ANCA-ILD. Baseline and subsequent chest computed tomography studies were centrally reviewed. Primary outcomes included forced vital capacity % (FVC%) decline, respiratory failure, and mortality.
RESULTS: Of 162 patients (myeloperoxidase [MPO]-ANCA 85%), 123 (76%) had AAV-ILD and 39 (24%) ANCA-ILD. At baseline, usual interstitial pneumonia (UIP) was the most frequent radiologic pattern (57%), whereas half had a radiologic fibrosis grade >10%. Kidney involvement was present in 73%, most commonly Berden focal class. UIP and nonspecific interstitial pneumonia (NSIP) patterns showed greater annual FVC% decline than other patterns (UIP -1.99%, NSIP -3.76% [P = 0.35], others +0.36%). An adjusted mixed-effects model indicated that rituximab was associated with mean FVC% improvement at 12 months (+6.02%; P = 0.07). Radiologic progression occurred in ~50%, mainly in younger patients with a higher fibrosis severity grade. Respiratory failure (19%) was associated with fibrosis severity (grade 4 hazard ratio [HR] 4.7, P = 0.029) and baseline FVC% (HR 0.95, P = 0.002). Over a median 4.2-year follow-up, 48% died. Age (HR 1.08, P = 0.04) and baseline FVC% (HR 0.97, P = 0.05) were independent predictors of mortality.
CONCLUSION: At baseline, higher fibrosis severity, UIP, and lower FVC% were associated with worse outcomes. Immunosuppressives, such as rituximab, may help preserve lung function. The need for early identification and individualized treatment in ILD associated with AAV or ANCA is underscored.
METHODS: A European multicenter retrospective study encompassed patients with AAV-ILD or ANCA-ILD. Baseline and subsequent chest computed tomography studies were centrally reviewed. Primary outcomes included forced vital capacity % (FVC%) decline, respiratory failure, and mortality.
RESULTS: Of 162 patients (myeloperoxidase [MPO]-ANCA 85%), 123 (76%) had AAV-ILD and 39 (24%) ANCA-ILD. At baseline, usual interstitial pneumonia (UIP) was the most frequent radiologic pattern (57%), whereas half had a radiologic fibrosis grade >10%. Kidney involvement was present in 73%, most commonly Berden focal class. UIP and nonspecific interstitial pneumonia (NSIP) patterns showed greater annual FVC% decline than other patterns (UIP -1.99%, NSIP -3.76% [P = 0.35], others +0.36%). An adjusted mixed-effects model indicated that rituximab was associated with mean FVC% improvement at 12 months (+6.02%; P = 0.07). Radiologic progression occurred in ~50%, mainly in younger patients with a higher fibrosis severity grade. Respiratory failure (19%) was associated with fibrosis severity (grade 4 hazard ratio [HR] 4.7, P = 0.029) and baseline FVC% (HR 0.95, P = 0.002). Over a median 4.2-year follow-up, 48% died. Age (HR 1.08, P = 0.04) and baseline FVC% (HR 0.97, P = 0.05) were independent predictors of mortality.
CONCLUSION: At baseline, higher fibrosis severity, UIP, and lower FVC% were associated with worse outcomes. Immunosuppressives, such as rituximab, may help preserve lung function. The need for early identification and individualized treatment in ILD associated with AAV or ANCA is underscored.