Lei Zhang

Exhaled volatile organic compounds analyzed via GC-IMS as non-invasive biomarkers for severity stratification and prognosis prediction in critical illness.

BACKGROUND Exhaled volatile organic compound (VOC) profiling is a promising non-invasive tool for disease diagnosis, but its clinical value in general critical illness remains underexplored. This study investigated whether exhaled breath VOC signatures can distinguish critically ill patients from healthy controls, stra...