First large-scale validation of blood mNGS for invasive pulmonary aspergillosis diagnosis-this study represents the first sizable cohort systematically evaluating blood metagenomic next-generation sequencing (mNGS) for distinguishing invasive pulmonary aspergillosis from colonization, addressing a critical gap in non-invasive diagnostic approaches for critically ill patients. Comprehensive Aspergillus co-infection profiling-we identified distinct co-infection patterns, with the infection group showing significantly higher rates of polymicrobial infections, providing crucial insights into co-infection dynamics in Aspergillosis. Optimized diagnostic integration strategy-our findings demonstrate that while mNGS-derived reads per million alone show limited diagnostic value, their integration with serological biomarkers significantly improves performance, establishing a clinically relevant multimodal diagnostic framework. Robust prognostic stratification model-through least absolute shrinkage and selection operator-Cox regression, we established a validated prognostic model identifying reversed halo sign, decreased PaO2/FiO2, and elevated lactate dehydrogenase as independent predictors of 28-day mortality, providing clinically actionable tools for risk stratification.
Chen et al. (Fri,) studied this question.
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