The impact of air quality on tissue eosinophilia and the severity of chronic rhinosinusitis phenotypes
Background: Particulate matter ≤2.5 µm (PM2.5) exposure exacerbates inflammatory pathways associated with chronic rhinosinusitis (CRS). This study aimed to investigate the impact of PM2.5 exposure on tissue eosinophilia and the severity of CRS. Methodology: One hundred and twenty-nine patients with CRS were enrolled i...