Invasive aspergillosis in autoimmune inflammatory rheumatic diseases: epidemiology, risk factors, diagnosis, management and challenges.

Authors

Peixuan Liang, Xinyue Zhang, Shaozhe Cai, Ziwei Hu, Lingli Dong

Published in

Annals of medicine. Volume 58. Issue 1. Pages 2685285. Epub Jun 25, 2026.

Abstract

Invasive aspergillosis (IA) is a life-threatening opportunistic fungal infection caused by Aspergillus species. In recent years, IA appears to have become more frequently reported among patients with autoimmune inflammatory rheumatic diseases (AIIRD), likely reflecting the broader use of immunosuppressive therapies, with incidence in high-risk AIIRD subgroups reported to reach approximately 6.7% in selected cohorts.
This review aims to summarize the current evidence on the epidemiology, susceptibility mechanisms, risk factors, clinical presentation, diagnosis, and management of IA in AIIRD, and to outline the clinical practical challenges in this population.
This narrative review was informed by a structured literature search of PubMed, Embase, Web of Science, and Google Scholar for studies on IA in AIIRD published up to August 2025.
IA in AIIRD patients generally appears to arise from multiple interacting factors, including compromised host immunity, immunosuppressive therapy, the underlying rheumatic disease itself, comorbidities, and environmental exposures. Aspergillus infection and the resulting anti-Aspergillus immunity may also induce or exacerbate autoimmune inflammation. Invasive pulmonary aspergillosis is the most commonly reported manifestation, typically presenting with nonspecific respiratory symptoms, and disseminated infection tends to occur in the setting of profound immunosuppression. Early, integrated microbiologic testing (e.g. serum or bronchoalveolar lavage galactomannan, culture, polymerase chain reaction, and next-generation sequencing) together with serial imaging examination may facilitate earlier detection and guides care. Although robust AIIRD-specific evidence remains limited, current practice generally favour a multidisciplinary, individualized approach incorporating timely antifungal therapy and careful modulation of immunosuppression. Reported mortality remains high, ranging from 25% to 85% across AIIRD cohorts, particularly when diagnosis and treatment are delayed.
IA is a serious and likely under-recognized infection in AIIRD patients. Multiple determinants appear to increase infection risk, and symptoms and imaging manifestations can mimic rheumatic disease activity, potentially contributing to diagnostic delay. Current epidemiological and clinical data on AIIRD-IA remain limited, and further studies are needed to refine risk stratification, establish diagnostic criteria tailored to AIIRD patients, and inform more evidence-based management strategies.

PMID:
42343869
Bibliographic data and abstract were imported from PubMed on 25 Jun 2026.

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